Google patched 10 vulnerabilities in Chrome this week, including one pegged critical on the Mac.

For the second month in a row, Microsoft has tried to eradicate a mutating rootkit that has blocked some Windows users from installing security updates.

Google patched three vulnerabilities in the Windows version of Chrome earlier in the week, marking the second time that it's plugged security holes this month.

McAfee today announced it would offer business customers affected by last week's flawed update a free one-year subscription to its automated security assessment service.

One week after a critical bug was made public, Oracle has patched its Java virtual machine to fix an exploit that could be used to sneak malicious software onto a computer.

Microsoft today said it would deliver 11 security updates next week to patch 25 vulnerabilities in Windows, Office and Exchange.

Adobe today released an emergency update that patched a pair of critical vulnerabilities in its popular PDF viewing and editing software.

Just weeks after patching a critical flaw, Adobe Systems is rushing out another patch for its Reader and Acrobat software. The company also patched a critical issue in Flash Player Thursday.