Computer network security

How to Speed Up Your Slow Computer

Unless your computer is fresh out of the box, it's probably not running as fast as it used to. Our PCs fill up with all sorts of good stuff -- documents, music, videos, programs, games, downloads -- and bad stuff like viruses and spyware, too. Over time they can get bogged down.

Hackers Steal Sensitive Data From Hundreds of U.S. Firms

Internet security, whether it is provided by software companies or the government, is not very good. Law enforcement groups have finally shut down the Mariposa botnet which is one of the world’s largest networks of hacked PCs, according to the FT.