by Zack Hedrick, Fox San Antonio

It's a story that has a lot of people talking.

A Wisconsin company is offering its employees microchip implants, which allows them access throughout their office building.

Researchers at UTSA right now are working on ways to make this technology better protected.

As microchips have gotten smaller speed and capacity have increased.

Dr. Ethan Ahn is a professor of micro and nano-technology at UTSA.

Now a new and controversial piece of technology is raising some concerns.

While working on making technology smaller. Dr. Ahn and his colleagues at UTSA are also developing ways to improve security for implantable technology.

I believe they should have their own storage device in there rather than using the cloud," said Ahn.

The microchip being used by the company in Wisconsin is about the size of a grain of rice.

It's placed in between your thumb and index finger.

Using radio frequency identification, or FRID, it can help log into computers, give access to doors you can even use it to buy something at the vending machine

Despite its size the microchip can also store financial and medical information.

The company says the technology is encrypted.

But tech experts like Dr. Ahn say there are different levels of encryption and encryption doesnt guarantee the security of information on the device.

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UTSA professors engineering tougher security measures for implantable technology - FOX 29