A review of major data breach incidents in the past year found that most hackers used SQL injection to infiltrate enterprise networks.

With potentially thousands of users hit by a Trojan posted on addons.mozilla.org, Mozilla is advising Windows users to run an antivirus scan.

Microsoft's February patch drop is a doozy with 13 patches planned for next week's monthly Patch Tuesday updates.

Hackers, possibly from China, managed to infiltrate the Iowa Racing and Gaming Commission's database last month.

Microsoft warns users to protect themselves from a zero-day bug in Internet Explorer (IE) after it was disclosed Wednesday at the Black Hat hacking and security conference.

Old flaws with new attack vectors re-emerge for IE on Windows XP, but there is help for users.

Security software vendor Sophos' survey reveals that 72 percent of companies are concerned that employee behavior on social networking sites, including Facebook and Twitter, will put their data at risk.

Fake charities tied to the devastating earthquake in Haiti and 419-style scams related to the upcoming World Cup soccer tournament were common spam themes in January, according to AppRiver.

Black Hat security researcher details flaws including XSS-like attacks -- and what Web site owners and developers can do to avoid them.

Leading social sites urge regulatory restraint over consumer data collection practices.