Computer Security | featured news

The names and e-mails of customers of Citigroup Inc and other large U.S. companies, as well as College Board students, were exposed in a massive and growing data breach after a computer hacker penetrated online marketer Epsilon.

It will take several more years for the U.S. government to fully install high-tech systems to block computer intrusions, a drawn-out timeline that enables criminals to become more adept at stealing sensitive data, experts say.

Web security guru discloses his second Safari privacy problem in as many months.

Thousands of Twitter users have been hit by an apparent security flaw that can cause pornographic content to appear on the site unintentionally, according to a researcher at the security firm Sophos.

Intel Corp. is making the biggest acquisition in its history with the $7.68 billion takeover of computer-security software maker McAfee Inc., an expensive example of Intel's commitment to serve an increasing array of Internet-connected devices.

It's not the major player in network security, but McAfee is something of a specialist in the field.

AT&T Inc. on Wednesday acknowledged a security weak spot that exposed the e-mail addresses of apparently more than 100,000 users of Apple Inc.'s iPad, a breach that could make those people vulnerable to precision-targeted hacking attacks ...

The increasing flood of e-mail hitting your inbox can lower the guard of even the most cautious person. In the rush to keep up with important notes, it's easier than ever to fall prey to the scam artists and identity thieves who lurk online.

Of all the sinister things that Internet viruses do, this might be the worst: They can make you an unsuspecting collector of child pornography

Gizmodo, one the world's biggest tech blogs, has been running adverts poisoned by malware say security experts.