Unlike a virus, a worm generally does not alter or destroy data on a computer.

"It has also conceded using file transfer methodologies that, as we show below, alter and destroy data."

I doubt Ree put much effort into altering data.

The company relies on a distributed computing system to provide users with the infrastructure they need to access, create and alter data.

It is important for researchers to review responses in order to avoid altering sound data.

It was powerful enough for her to alter data.

"Lucy," I asked, "would there be any way to know if someone has altered data in my office computer?"

Those services are limited to read requests, since those requests don't alter data in any way.

Breaking into a computer system and altering data are felonies.

Infections by viruses, programs that can secretly spread between computers and alter or destroy data, have increased dramatically.