Monthly Archives: June 2017

Will We Ever Colonize Mars? – space.com

Posted: June 28, 2017 at 5:58 am

Astronaut Mark Watney (Matt Damon) has to grow food on Mars, a planet where nothing grows, in "The Martian."

Paul Sutter is a research fellow at the Astronomical Observatory of Trieste and visiting scholar at the Ohio State University's Center for Cosmology and Astro-Particle Physics (CCAPP). Sutter is also host of the podcasts Ask a Spaceman and RealSpace, and the YouTube series Space In Your Face. He contributed this article to Space.com's Expert Voices: Op-Ed & Insights.

Ah, Mars. The place that dreams are made of. As long as those dreams involve a poisonous, tenuous atmosphere, inhospitable cold and lots and lots of red. Still, people seem to want to go there. But will we ever make it?

"Yes," if you ask Elon Musk. I agree, but it probably won't be as easy as you might think, even if you think it's going to be really really hard.

What's the problem? Pick up the nearest object and throw it. I don't care if there are people around you. Do it. This is an experiment. This is science. Note how far the object goes before it hits the ground. Now pick it up and throw it harder. It went further, didn't it?

Part of the reason you didn't throw it as far as your ego thought you would was air resistance. Plowing through the atmosphere like a bull in a molecular china shop, the object quickly loses speed. But the actual "hitting the ground part is due to gravity. If you took away all the air, your thrown object would still eventually hit the ground.

In an airless world, no matter how hard you throw the object, it will reach the ground in the same amount of time. That's because gravity only works in the "down" direction, not the "over" direction, so for all gravity cares, you might as well have just lazily dropped it. But the harder you throw it, the more speed it will have, and the farther it will go before inevitably hitting the ground.

Or maybe not so inevitably. Imagine throwing something so hard that in the few seconds before it hits the ground, it reached the other side of a house. Or maybe a street. Throw it harder and you could get it across town. Across the country. Even faster: across an ocean.

Imagine throwing it so fast that by the time gravity gets around to doing its thing, the Earth has curved away from it. Gravity keeps on tugging at the object, but it frustratingly keeps missing the ground.

Ta-da: orbit!

How fast is orbital fast? Around 18,000 miles per hour (or 11 kilometers per second), give or take. There is, after all, an actual atmosphere to deal with.

You can certainly go slower and still visit space. Just make sure you packed a heat shield, because you're coming back down. You can also go even faster than orbital speed and escape the jealous clutches of Earth's gravity altogether, which is what it takes to get to Mars.

And that's the fundamental challenge. There just aren't many ways of pushing stuff that fast. Our best method so far involvesblowing up stuff in a tube, and making sure to leave a hole in one side. Newton's laws do the rest. It seems primitive, but the engineers tell me these "rockets" are actually quite complicated.

We can easily send robots to Mars, because their feelings don't get hurt if you forget to pack the oxygen and food. But people are a different well, animal, altogether. Humans are heavy. Humans need to carry little bubbles of the Earth ecosystem with them everywhere they go. Humans need room to stretch. Humans want to bring human-centric niceties, like hammers and toothpaste and lima beans.

Oh, yeah, and we need to bring them back home, I suppose. So pack the spare rockets and extra fuel.

Let this sink in: at the time of this writing, we don't have the capacity to send humans beyond Low Earth Orbit, the very edge of space, let alone Mars. Getting to Mars is hard, folks, and it requires a lot of new technology.

And that's just enough stuff for a handful of hominids to poke around the place for a bit. A colony? Look around the city you're in, and marvel at all the junk it takes to get you through the day. Think of all the layers of civilization and organization (spontaneous or otherwise) it takes to get you dinner. Made of food. Cooked. On a plate. That you will clean up with water eventually. In a house. On a street. And on and on.

A city is a massively complicated thing. Sure, we've built them from the ground up before, but colonies on Earth have a few advantages, namely, a) breathable air, b) liquid water, c) dirt and d) proximity to other Earth-based cities. Even the U.S. National Science Foundation's Amundsen-Scott South Pole Station the closest to a Mars colony you can get while keeping two feet on the Earth enjoys most of these advantages, and is still a nightmare to keep alive.

And did I mention the cosmic rays? No? Well, now's a good time cosmic rays are high-energy protons (and some heavier nuclei) zipping through the universe, generated inwell, we're not exactly sure, but probably supernovae and other cataclysmic events. The universe is swimming in them, and they cut through DNA like a hot knife through butter. The butter is you in this metaphor, just to be clear. On Earth the atmosphere makes for nice insulation, catching most of the deadliest cosmic rays, but some still make it through, possibly giving everyone especially airline crews a slightly elevated risk of cancer. [Radiation Fears Shouldn't Hold Back Mars Colonization (Op-Ed )]

But a two-year journey to Mars? Exposure on the surface? Better make sure your transports and habitats are well-shielded or buried underground or at least make sure you have some talented oncologists on staff.

Despite these challenges and more, it's notimpossibleto get people to Mars and start a viable colony. It's not like there's any physics-based reason preventing the escapades. It's just a question of engineering. And money.

Lots and lots of money.

SpaceX has an ambitious plan to get a colony on Mars through private investment in ever-larger, cheap, reusable rockets that could deliver a steady stream of people and supplies to slowly build up a colony over decades. It just takes lots of money.

NASA has an ambitious plan to build the Space Launch System, the biggest, most hard-core rocket ever made. With that kind of fire, you could send all sorts of stuff into space, including a crew to Mars. It just takes lots of money.

There are other ideas, such as Mars One ("I know, just leave everybody there, then we don't have to pay for a return ticket!") and Mars Direct, but in the end it takes time. And lots of money.

So eventually, we'll do it. Humans will go to Mars . Babies will be born there. Civilization will flourish or flounder on the Red Planet. It's just a matter of when, and of how much money we're willing to spend. Did I mention the money part?

Sure, if one day everyone decided that we don't need socks anymore, we could use the leftover savings to fast-track a Martian colony. Full of chaffed feet, but a colony nonetheless. We're certainly at the civilizational stage where sending humans to Mars is feasible, which is a huge first step. A hundred years ago, not only did we lack the technology, but also the economic wherewithal to entertain such a wacky notion.

That's the trick to getting to Mars: either we need to be so wealthy as a society that a trip is so economically insignificant that nobody cares, or there needs to be a large political (if led by NASA) or economic (if led by a company) incentive to do it. One or both of those scenarios is bound to happen, sooner or later.

Hopefully sooner.

Learn more by listening to the episode "Will we colonize Mars?" on the Ask A Spaceman podcast, available on iTunes and on the Web athttp://www.askaspaceman.com. Thanks to Ann Fisher for the question that led to this episode! Ask your own question on Twitter using #AskASpaceman or by following Paul @PaulMattSutter and facebook.com/PaulMattSutter.

Follow all of the Expert Voices issues and debates and become part of the discussion on Facebook, Twitter and Google+. The views expressed are those of the author and do not necessarily reflect the views of the publisher. This version of the article was originally published on Space.com.

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Remarks by President Trump at NATO Unveiling of the Article 5 …

Posted: at 5:58 am

NATO Headquarters Brussels, Belgium

4:39 P.M. CEST

PRESIDENT TRUMP: Thank you very much, Secretary General Stoltenberg. Chancellor Merkel, thank you very much. Other heads of state and government, I am honored to be here with members of an alliance that has promoted safety and peace across the world.

Prime Minister May, all of the nations here today grieve with you and stand with you. I would like to ask that we now observe a moment of silence for the victims and families of the savage attack which took place in Manchester. (A moment of silence is observed.) Thank you. Terrible thing.

This ceremony is a day for both remembrance and resolve. We remember and mourn those nearly 3,000 innocent people who were brutally murdered by terrorists on September 11th, 2001. Our NATO allies responded swiftly and decisively, invoking for the first time in its history the Article 5 collective defense commitments.

The recent attack on Manchester in the United Kingdom demonstrates the depths of the evil we face with terrorism. Innocent little girls and so many others were horribly murdered and badly injured while attending a concert -- beautiful lives with so much great potential torn from their families forever and ever. It was a barbaric and vicious attack upon our civilization.

All people who cherish life must unite in finding, exposing, and removing these killers and extremists -- and, yes, losers. They are losers. Wherever they exist in our societies, we must drive them out and never, ever let them back in.

This call for driving out terrorism is a message I took to a historic gathering of Arab and Muslim leaders across the region, hosted by Saudi Arabia. There, I spent much time with King Salman, a wise man who wants to see things get much better rapidly. The leaders of the Middle East have agreed at this unprecedented meeting to stop funding the radical ideology that leads to this horrible terrorism all over the globe.

My travels and meetings have given me renewed hope that nations of many faiths can unite to defeat terrorism, a common threat to all of humanity. Terrorism must be stopped in its tracks, or the horror you saw in Manchester and so many other places will continue forever. You have thousands and thousands of people pouring into our various countries and spreading throughout, and in many cases, we have no idea who they are. We must be tough. We must be strong. And we must be vigilant.

The NATO of the future must include a great focus on terrorism and immigration, as well as threats from Russia and on NATOs eastern and southern borders. These grave security concerns are the same reason that I have been very, very direct with Secretary Stoltenberg and members of the Alliance in saying that NATO members must finally contribute their fair share and meet their financial obligations, for 23 of the 28 member nations are still not paying what they should be paying and what theyre supposed to be paying for their defense.

This is not fair to the people and taxpayers of the United States. And many of these nations owe massive amounts of money from past years and not paying in those past years. Over the last eight years, the United States spent more on defense than all other NATO countries combined. If all NATO members had spent just 2 percent of their GDP on defense last year, we would have had another $119 billion for our collective defense and for the financing of additional NATO reserves.

We should recognize that with these chronic underpayments and growing threats, even 2 percent of GDP is insufficient to close the gaps in modernizing, readiness, and the size of forces. We have to make up for the many years lost. Two percent is the bare minimum for confronting todays very real and very vicious threats. If NATO countries made their full and complete contributions, then NATO would be even stronger than it is today, especially from the threat of terrorism.

I want to extend my appreciation to the 9/11 Memorial and Museum in New York for contributing this remnant of the North Tower, as well as to Chancellor Merkel and the German people for donating this portion of the Berlin Wall. It is truly fitting that these two artifacts now reside here so close together at the new NATO Headquarters. And I never asked once what the new NATO Headquarters cost. I refuse to do that. But it is beautiful.

Each one marks a pivotal event in the history of this Alliance and in the eternal battle between good and evil. On one side, a testament to the triumph of our ideals over a totalitarian Communist ideology bent on the oppression of millions and millions of people; on the other, a painful reminder of the barbaric evil that still exists in the world and that we must confront and defeat together as a group, as a world.

This twisted mass of metal reminds us not only of what we have lost, but also what forever endures -- the courage of our people, the strength of our resolve, and the commitments that bind us together as one.

We will never forget the lives that were lost. We will never forsake the friends who stood by our side. And we will never waiver in our determination to defeat terrorism and to achieve lasting security, prosperity and peace.

Thank you very much. Its a great honor to be here. Thank you.

END 4:48 P.M. CEST

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Remarks by President Trump at NATO Unveiling of the Article 5 ...

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Trump: NATO money ‘beginning to pour in’ from alliance …

Posted: at 5:58 am

Donald Trump has pledged to make NATO partners step up their payments. | Getty

By POLITICO Staff

05/27/2017 07:21 AM EDT

President Donald Trump early Saturday tweeted that NATO countries have agreed to step up payments and money is beginning to pour in following his contentious meeting with leaders of the western alliance during his ongoing foreign trip.

Many NATO countries have agreed to step up payments considerably, as they should. Money is beginning to pour in- NATO will be much stronger, he tweeted.

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Trump on Thursday berated U.S. allies for not spending enough on defense, suggesting they owe massive amounts in back payments to the U.S. under the umbrella of the North Atlantic Treaty Organization.

Over the last eight years, the United States spent more on defense than all other NATO countries combined, he declared as the leaders of other NATO member countries looked on uncomfortably.

However, the commitments are for NATO allies to spend more on defense overall, mainly on their own militaries so the increases would not necessarily be seen at headquarters but in the military budgets of individual countries.

Trump in his Brussels address also declined to confirm the U.S. commitment to Article 5 of the treaty, which guarantees the U.S. would back a treaty partner in the event of a conflict with a foreign power.

Early Saturday, the president also tweeted: Big G7 meetings today. Lots of very important matters under discussion. First on the list, of course, is terrorism. #G7Taormina.

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The U.S. will be the lone holdout on endorsing the Paris accord on climate change when leaders of the G7 will issue their 2017 declaration later Saturday, officials said.

Trump had said he would give European leaders a chance to make their case for the climate change accord, but will make a final decision until returning to Washington on whether his administration will remain committed to the 2015 agreement.

Later Saturday Trump tweeted about trade talks, writing: ""we push for the removal of all trade-distorting practices....to foster a truly level playing field."

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House overwhelmingly backs NATO mutual defense – Reuters

Posted: at 5:58 am

WASHINGTON The U.S. House of Representatives voted nearly unanimously on Tuesday to reaffirm the NATO alliance's guarantee that all members defend each other, weeks after President Donald Trump raised doubts about Washington's support for the agreement.

The vote was 423-4 in the House, where Trump's fellow Republicans hold a 48-seat majority, for a resolution "solemnly reaffirming" the U.S. commitment to Article 5 of the North Atlantic Treaty.

It also supports calls for every NATO member to spend at least 2 percent of its gross domestic product on defense by 2024.

During a visit to NATO headquarters in Brussels in May that was part of his first overseas trip, Trump pointedly did not mention U.S. support for that critical portion of the NATO charter, rattling allies. Instead, he used a speech there to demand that member states pay more for the alliance's defense.

Trump later said he backed the mutual defense agreement, and other senior officials rushed to express U.S. support.

"With all the threats we and our partners face around the globe, a strong and secure NATO is more important than ever before," Republican House Speaker Paul Ryan said in a statement.

The resolution was co-sponsored by Ryan and House Democratic Leader Nancy Pelosi, as well as the number two Republican and Democrat in the chamber, and the Republican chairman and the ranking Democrat on the House Foreign Affairs Committee.

(Reporting by Patricia Zengerle; editing by Jonathan Oatis)

MOSCOW/KIEV/WASHINGTON A major global cyber attack disrupted computers at Russia's biggest oil company, Ukrainian banks and multinational firms with a virus similar to the ransomware that infected more than 300,000 computers last month .

CARACAS A Venezuelan police helicopter strafed the Supreme Court and a government ministry on Tuesday, escalating the OPEC nation's political crisis in what President Nicolas Maduro called an attack by "terrorists" seeking a coup.

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Other View: NATO can fight terrorism one sinking boat at a time – Twin Falls Times-News

Posted: at 5:58 am

The following editorial appears on Bloomberg View:

The North Atlantic Treaty Organization has now formally enlisted in the fight against Islamic State. It can begin by helping to stem the flow of refugees trying to reach Europe from North Africa.

This would be more than a humanitarian exercise; it would be a counterterrorism operation. Wherever refugees gather in hopelessness, violent extremists have a fertile recruiting ground. And the number of refugees is staggering.

Nearly 200,000 people fleeing violence and poverty tried to cross of the Mediterranean last year, and at least 5,000 died in the attempt. The U.N. estimates that there are more than half a million refugees, asylum seekers and displaced people in Libya alone. Neither the fractured Libyan government nor the European Union can cope with the numbers, leaving hundreds of thousands of people in makeshift refugee camps some of which are controlled by human traffickers and resemble concentration camps, according to a German government report.

Those who make it across the Mediterranean dont fare much better. Most end up in overcrowded camps in Italy where social services are lacking and applications for asylum languish. Those intercepted in Libyan waters are sent back. Sometimes the traffickers dump their human cargo in the sea to avoid capture.

So what can NATO do? With more than 700 ships at its disposal, a lot.

For starters, it can build on Italian-led Operation Sophia, which has saved thousands of lives but is woefully inadequate to the task. NATOs sophisticated surveillance capabilities, such as long-range patrol airplanes and satellite imagery, can monitor ports in Africa and the Middle East and aid in search-and-rescue efforts. NATO can also help the EUs efforts to professionalize the Libyan coast guard.

The alliance can foster far more naval cooperation and intelligence sharing among its members, and with intergovernmental entities like Interpol. This should also involve another underutilized asset: private shipping companies, which are obligated to respond to other vessels in distress. NATO could also encourage member states build more camps on Mediterranean islands and could aid with construction, perimeter security, health care and the like.

NATO patrols in the Mediterranean could also provide a more direct benefit in the fight against terrorists: stemming the flow of arms from the Middle East to Islamist terrorists in North Africa. Islamic State already has a foothold in Libya and is trying to expand into Tunisia.

Two years ago the civil war in Syria caused the exodus of millions. Now as fighting intensifies, NATO cant afford to make the same mistake.

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Other View: NATO can fight terrorism one sinking boat at a time - Twin Falls Times-News

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NATO says more Russian buzzing of Baltic airspace a risk for deadly mistakes – Deutsche Welle

Posted: at 5:58 am

The Baltic nations and Poland just got some long-awaited NATO boots on the ground, inaugurating new standing battalions last week amid multinational exercises along the Russian border. In the skies above, the Kremlin made sure everyone knew it was watching, sending its warplanes to "buzz" Baltic airspace and even, according to the Lithuanian ministry of defense, to illegally enter it on two occasions.

Finland and Sweden also noted incidents in their vicinities. In a dramatic encounter on June 21, a Polish F-16 approached the plane carrying Russian Defense Minister Sergei Shoigu on his way to Kaliningrad, videotaped from aboard the Russian plane. Russian media reported a Russian escort plane intervened between the NATO jet and Shoigu's aircraft.

The same day the US reported a Russian jet flew less than two meters from one of its surveillance planes, which a Pentagon spokesman said was dangerous due to the Russian pilot's "high rate of closure speed and poor control of the aircraft." Sweden summoned Russia's ambassador after a Russian fighter jet flew unusually close to a Swedish reconnaissance plane in international airspace above the Baltic Sea.

NATO notes more Russian 'visitors'

NATO's deputy spokesperson Piers Cavalet confirmed to DW that there was an unusual spike in the Russian air presence over the Baltic Sea last week. "These included strategic bombers, fighters, reconnaissance, transport and other aircraft," Cavalet said, adding that planes operating as part of NATO's air-policing operations or from national air forces followed standard procedure in "scrambling" to monitor the aircraft.

Cavalet rejected Russian accusations that NATO planes are the ones creating tensions, saying "when NATO aircraft intercept a plane they identify it visually, maintaining a safe distance at all times. Once complete, NATO jets break away. All our pilots behave in a safe and responsible way."

NATO says there's been a spike in the number of Russian planes flying too close to allied aircraft

Speaking Monday in Brussels, the chairmanof NATO's military command, General Petr Pavel, added that it's not just the airspace over the Baltic Sea where the spike is evident, but also over the Black Sea.

"In most of these cases we haven't been observing [the flights] would be clearly hostile," Pavel said at an event hosted by Politico. "[W]e are mostly witnessing what we call unprofessional behavior in the airspace. When these rules are broken the chance of getting into an incident is pretty close."

With Russia beginning its own military exercises along its western border in September, NATO Secretary General Jens Stoltenberg told DW he is concerned about an even higher risk of such accidents then.

World events warrant concern for air clashes

But Thomas Frear, a research fellow with the European Leadership Network, has been writing for years about what he calls the "escalatory potential" of encounters between Russian and Western aircraft and ships. After a decline in tension in 2016 following a 2014/2015 spike, Frear believes the situation has become more critical now, with the stand-off between the US and Russia in Syria.

"The unexpectedly hostile relations between [Russia and] the Trump administration, the ever increasing tempo of military exercises in Europe, and the closer proximity of Russian and coalition aircraft in Syria have combined to drive the number of incidents up again," he told DW.

Frear said that Western authorities are not taking the situation seriously enough, especially the risk to civilian aircraft. "I view this as a combination of complacency and a lack of understanding of the problem," he said, explaining that international regulations governing interaction between aircraft do not apply to military planes.

Neither are national air forces required to be transparent about their rules of behavior with respect to non-military aircraft, Frear said. "[C]ivilian pilots will be unaware of military patterns of behavior," he noted, "risking an accident."

While there are some efforts to change this, Frear said it would require amending the 1944 Chicago Convention on International Civil Aviation, a global agreement, making the possibility of any quick action quite remote.

US-Russian tension over Syria worse than Cold War

Frear urges immediate attention to the potential NATO-Russia conflict brewing beyond the Baltics in Syria, where the status of the US-Russian air safety agreement in the country is now uncertain.

"Greater engagement by both Russia and the US-led coalition in Syria has certainly heightened the possibility of a lethal clash," Frear warned, pointing to the fact that NATO ally Turkey already shot down a Russian plane it said crossed into its airspace in 2015. In addition, he said, "Russian and US aircraft have already attacked ground forces allied to the other, leading to rhetoric from military leaders of a bellicosity not seen even at the height of the Cold War."

As well as the need for the Syrian deconfliction agreement to be preserved, Frear said joint groups of experts should be urgently examining how to craft a broader NATO-Russia agreement on avoiding and managing hazardous incidents. In the shortest term, he writes in his report, "there should be zero tolerance for reckless behavior of individual military commanders, pilots and other personnel, especially by the Russian leadership. Use of dangerous military brinkmanship tactics for political signaling is a high-risk strategy, which may backfire in case of an incident."

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Alleged NSA Leaker Reality Winner Appears in Federal Court, Trial Date Set – NBCNews.com

Posted: at 5:57 am

Lawyers gather in court for the NSA contractor accused in top secret leak, Reality Winner, on June 27. Richard Miller

Attorney Titus Nichols told reporters outside court Tuesday afternoon that the discussion over the order centered on both sides knowing the rules of engagement regarding any potentially classified information.

That way if there is any type of information that is classified at any level, that everyone knows what the rules of engagement will be, so there is not going to be a risk of accidental release of information and definitely not going to be any intentional release of information thats classified, he said.

Prosecutor Jennifer Solari said during the hearing that a note pad with handwriting in Farsi was being reviewed and translated. Nichols told reporters after the hearing that the defense had not seen the notebook and thus was not able to discuss anything about it at the time.

Prosecutors are also examining two computers, hard drives, a tablet and four phones seized from Winner. They agreed to have all evidence discovery filed by August 25.

Nichols added that Winner was maintaining pretty well and that every conversation he had had with her has been positive, as his client remains in jail awaiting her trial.

Earlier this month,

Terry Pickard reported from Augusta, Georgia, and Daniella Silva reported from New York.

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NSA-linked tools help power second global ransomware outbreak – Politico

Posted: at 5:57 am

The seals of the U.S. Cyber Command, the National Security Agency and the Central Security Service are pictured outside the campus the three organizations share in Fort Meade, Maryland. | Getty

By Eric Geller

06/27/2017 12:16 PM EDT

Updated 06/27/2017 05:49 PM EDT

A potent ransomware attack has gripped organizations around the world for the second time in less than two months.

And like the first outbreak in mid-May which claimed hundreds of thousands victims in a game-changing cyberattack Tuesday's outburst is spreading via a Microsoft flaw originally exposed in a leak of apparent NSA hacking tools.

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The latest malicious software battered companies in Russia, Ukraine and many other countries in Europe, according to cybersecurity researchers, sending law enforcement officials scrambling and sparking fears about how the world would contain the outbreak of the malware, which locks up computer systems and demands ransom payments.

While the U.S. has been largely unscathed to this point, major multinational energy, shipping, banking, pharmaceutical and law firms, as well as government agencies, have confirmed they are fighting off cyberattacks.

Security firm Kaspersky Lab estimated it had seen 2,000 victims, and counting, throughout the day. While the estimate is significantly lower than the massive numbers tied to May's attack which relied on malware dubbed WannaCry some researchers noted technical details of the new malware that might make it harder to kill.

Researchers have also not yet linked the latest attack to any specific hacking group or nation-state, unlike May's digital ambush, which technical specialists and reportedly intelligence officials in the U.S. and U.K. traced to North Korean-backed hackers.

But security specialists have been warning for weeks that the recent WannaCry ransomware virus was only the beginning of these fast-spreading digital sieges.

WannaCry was powered by a variant of apparent NSA cyber weapons that were dumped online, raising questions about whether the secretive hacking agency should sit on such powerful tools instead of alerting companies like Microsoft to the deficiencies in their software.

Experts say hackers have likely been working to tweak the WannaCry malware, potentially allowing new versions to skirt the digital defenses that helped stall the first global assault.

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Indeed, the virus that proliferated Tuesday shares many similarities with WannaCry, but contains some striking differences.

For starters, Tuesday's virus proliferated using the same Microsoft Windows flaw as WannaCry, according to digital security firms Symantec and Bitdefender Labs. But researchers noted the malware is also capable of hopping around using multiple Microsoft flaws, not just the most famous one exposed in the online dump of the purported NSA cyber weapons.

Additionally, like WannaCry, this new malware demands that victims pay a ransom using the digital currency Bitcoin before their files can be unlocked. As of Tuesday evening, 32 victims had paid a ransom, with the number steadily climbing.

Unlike WannaCry, however, the rapidly spreading malware does not merely encrypt files as part of its ransom scheme. Rather, it changes critical system files so that the computer becomes unresponsive, according to John Miller, a senior manager for analysis at the security firm FireEye, which reviewed the malware.

Some researchers identified the infection as a novel variation of the so-called Petya malware, which has been around since 2016. But researchers at Kaspersky believe it is a totally new strain they are dubbing ExPetr.

A sample of the malware initially went undetected by nearly all antivirus software.

The digital weapon cloaks itself as a file that Microsoft has already approved as safe, helping it avoid detection, Costin Raiu, director of global research efforts at Kaspersky, said on Twitter.

The malware was written on June 18, according to a sample that Kaspersky has analyzed.

Most of the infections on Tuesday were in Ukraine, with Russia the next hardest hit, according to Kasperskys analysis. Russia was also a major victim during the WannaCry outbreak. Raiu told POLITICO that Belarus, Brazil, Estonia, the Netherlands, Turkey and the United States were also affected, but that those countries accounted for less than 1 percent of all victims.

A Department of Homeland Security spokesman said the agency was "monitoring reports" of the ransomware campaign and coordinating with international authorities.

Researchers suspect that Ukraine became the nexus of the outburst after companies using a popular tax program unknowingly downloaded an update that contained the ransomware. From there, the virus could have spread beyond those companies using various flaws in Windows.

The ransomware eruption may be responsible for several major cyber incidents that began Tuesday.

The global shipping and logistics firm Maersk which is based in Denmark confirmed that it was dealing with a intrusion affecting "multiple sites and business units." And the Russian oil company Rosneft said it was responding to "a massive hacker attack."

Ukraine's central bank and its capital city's main airport also said they were dealing with cyberattacks. The virus appeared to be hitting the country's government computers as well.

The cyberattack also forced the Ukraine-based Chernobyl nuclear power plant to revert to manual radiation monitoring, according to a Ukrainian journalist citing the country's state news service.

Elsewhere, the German pharmaceutical giant Merck said its network was compromised in the outbreak and that it was still investigating the incident.

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But the U.S. has been largely spared so far.

The American Gas Association said in a statement that no U.S. natural gas utilities have reported infections.

However, in Pennsylvania, the Heritage Valley Health System which operates two hospitals and 60 physician offices said it was grappling with a cyberattack. The incident is widespread and is affecting the entire health system, said spokeswoman Suzanne Sakson.

Multinational law firm DLA Piper was also experiencing computer and phone outages in multiple offices, including in Washington, D.C. The company did not respond to a request for comment.

But a photo shared with POLITICO showed a sign outside the firm's Washington office that read, "All network services are down, do not turn on your computers! Please remove all laptops from docking stations and keep turned off. No exceptions."

DLA Pipers secure document storage system for clients also went down, though the firm may have done that as a precaution. A bit stressed at moment as I am unsure if our docs there are safe, one client told POLITICO.

Tim Starks contributed to this report.

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NSA Warrantless Surveillance Aided Turks After Attack, Officials Say – New York Times

Posted: at 5:57 am

But the witnesses sidestepped Mr. Grahams question, saying only that they were working on his request. That provoked an angry intervention from the committee chairman, Senator Charles E. Grassley, Republican of Iowa, who banged his gavel and told Mr. Graham, his voice rising, I want you to proceed until you get an answer.

Mr. Graham eventually ended his questioning without getting one. But later in the hearing, Senator Richard J. Durbin, Democrat of Illinois, suggested that the senators emotion at the thought that their government could invade their privacy and use the information against them was just part of the bigger picture.

What about the privacy of the Americans who are not in this room? he asked.

The warrantless surveillance program traces back to President George W. Bushs Stellarwind program, introduced after the Sept. 11, 2001, attacks. Stellarwind permitted the National Security Agency to wiretap Americans international phone calls without the court orders required by the Foreign Intelligence Surveillance Act, or FISA, of 1978.

After it came to light, Congress legalized a form of the program in 2008 with the FISA Amendments Act. It permits the government to collect, from American internet or phone providers and without warrants, the communications of foreigners abroad who have been targeted for any foreign intelligence purpose even when they are talking to Americans.

Privacy advocates want Congress, as part of any bill extending the law, to require warrants before officials may use Americans identifiers, like their email addresses, to search the repository of messages previously collected by the program. But Stuart J. Evans, a top intelligence official at the Justice Department, testified on Tuesday that imposing such a limit would grind the entire FISA process to a halt because investigators need to quickly search a large volume of such queries to process leads, and because such queries are typically undertaken at an early stage, when investigators have not yet found evidence to establish probable cause of wrongdoing.

Several lawmakers also pressed the officials about a decision by Dan Coats, the director of national intelligence, to shelve an N.S.A. effort to estimate how much incidental collection of Americans information the program sweeps up. Bradley Brooker, the acting general counsel to Mr. Coats, said that systematically determining who is using email accounts that are not of foreign intelligence interest would invade peoples privacy and divert resources.

To underscore their message that the program is too valuable to curtail, Mr. Brooker and other officials disclosed several additional examples where the program had been useful. They included detecting an unidentified country that was smuggling goods in violation of sanctions, and finding someone in Western Europe who was talking to a member of the Islamic State about purchasing material to build a suicide belt.

Mr. Ghattas said the government had used the program to investigate Shawn Parson, a Trinidadian social media propagandist for the Islamic State whose network distributed prolific amounts of English-language recruiting pitches and calls for attacks before he was killed in Syria in August 2015.

The F.B.I. had been investigating Mr. Parson since October 2013 based on his online postings, Mr. Ghattas said, and information it shared from that collection with unspecified allies had helped them identify other Islamic State supporters and had potentially prevented attacks in those countries.

Follow Charlie Savage on Twitter @charlie_savage.

A version of this article appears in print on June 28, 2017, on Page A14 of the New York edition with the headline: Up-and-Down Hearing On Surveillance Program.

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PARIS (AP) UPDATE (1:30 p.m.):

Security experts say Tuesday's cyberattack shares something in common with last month's WannaCry attack: Both spread by using digital break-in tools purportedly created by the U.S. National Security Agency and recently leaked to the web.

Security vendors Bitdefender Labs and Kaspersky Labs say the NSA exploit, known as EternalBlue, is allowing the malware to spread inside an organization's network. Other than that, the latest malware is different from WannaCry.

Organizations should be protected if they had installed a fix that Microsoft issued in March.

But Chris Wysopal, chief technology officer at the security firm Veracode, says that's only the case if 100 percent of computers were patched. He says that if one computer gets infected, the new malware has a backup mechanism to spread to patched computers within the network as well.

Wysopal says the attack seems to be hitting large industrial companies that "typically have a hard time patching all of their machines because so many systems simply cannot have down time."

Organizations hit include the Russian oil company Rosneft and the Danish oil and shipping company AP Moller-Maersk.

_____

UPDATE (12:10 p.m.):

The second-largest drugmaker in the United States is confirming it's been affected by a cyberattack.

In a message sent using its verified Twitter account, Merck confirmed Tuesday that its computer network was "compromised" as part of a global attack.

Officials said the Kenilworth, New Jersey-based company was investigating the incident but provided no further details.

Merck has global locations including in Ukraine, where a new and highly virulent outbreak of malicious data-scrambling software causing mass disruption across Europe appeared to be hitting especially hard.

Company and government officials reported serious intrusions at the Ukrainian power grid, banks and government offices, where one senior official posted a photo of a darkened computer screen and the words, "the whole network is down."

Dutch-based transport company TNT Express, which was taken over last year by FedEx, also said Tuesday that it is suffering computer disruptions. Spokesman Cyrille Gibot says that "like many other companies and institutions around the world, we are experiencing interference with some of our systems within the TNT network. We are assessing the situation and are implementing remediation steps as quickly as possible and we regret any inconvenience to our customers." He declined further comment.

_____

A new and highly virulent outbreak of malicious data-scrambling software appears to be causing mass disruption across Europe, hitting Ukraine especially hard.

Company and government officials reported serious intrusions at the Ukrainian power grid, banks and government offices, where one senior official posted a photo of a darkened computer screen and the words, "the whole network is down." Ukraine's prime minister said the attack was unprecedented but that "vital systems haven't been affected."

Russia's Rosneft oil company also reported falling victim to hacking, as did Danish shipping giant A.P. Moller-Maersk.

"We are talking about a cyberattack," said Anders Rosendahl, a spokesman for the Copenhagen-based group. "It has affected all branches of our business, at home and abroad."

The number of companies and agencies reportedly affected by the ransomware campaign was piling up fast, and the electronic rampage appeared to be rapidly snowballing into a real-world crisis. Dutch daily Algemeen Dagblaad says that container ship terminals in Rotterdam run by a unit of Maersk were also affected. Rosneft said that the company narrowly avoided major damage.

"The hacking attack could have led to serious consequences but neither the oil production nor the processing has been affected thanks to the fact that the company has switched to a reserve control system," the company said.

There's very little information about what might be behind the disruption at each specific company, but cybersecurity experts rapidly zeroed in on a form of ransomware, the name given to programs that hold data hostage by scrambling it until a payment is made.

"A massive ransomware campaign is currently unfolding worldwide," said Romanian cybersecurity company Bitdefender. In a telephone interview, Bitdefender analyst Bogdan Botezatu said that he had examined samples of the program and that it appeared to be nearly identical to GoldenEye, one of a family of hostage-taking programs that has been circulating for months.

It's not clear whether or why the ransomware has suddenly become so much more potent, but Botezatu said that it was likely spreading automatically across a network, without the need for human interaction. Self-spreading software, often described as "worms," are particularly feared because they can spread rapidly, like a contagious disease.

"It's like somebody sneezing into a train full of people," said Botezatu. "You just have to exist there and you're vulnerable."

The world is still recovering from a previous outbreak of ransomware, called WannaCry or WannaCrypt, which spread rapidly using digital break-in tools originally created by the U.S. National Security Agency and recently leaked to the web.

This particular variant of ransomware leaves a message with a contact email; several messages sent to the address were not immediately returned.

___ Vladimir Isachenkov in Moscow and Jan M. Olsen in Copenhagen, Denmark contributed to this report.

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