(An update to this story is now available. Yahoo confirms Shellshock-targeting attackers hacked into three of its servers, but claims they didn't exploit Bash flaws.) See Also: Know Thy Enemy: Threats ...

Cybersecurity experts are raising the alarm about a new vulnerability in a piece of widely-used software. Shellshock is a coding flaw in the Bash software application that leaves a computer vulnerable ...

Apple today released OS X bash update 1.0 for OS X Mavericks to fix a vulnerability in the bash UNIX shell. The security flaw, known in the media as "Shellshock," was discovered last week. Uncovered ...