Trojan virus has Mac users on alert

UNDATED (AP) — Users of Apple's Mac platform often feel safe from security threats. But malware called the Flashback Trojan has them on alert. The malicious software poses as a common plug-in for Internet browsers, and is capable of stealing passwords and personal information.

Norton security experts say approximately 270,000 machines are still infected -- down from more than 600,000.

Norton security response group director Kevin Haley says the Flashback Trojan should be a wake-up call for everyone who's online -- no matter the platform or device. He says if users don't already have a security system in place, they can download a scan and removal tool.

Apple has released its own update. Norton has made a free tool available online.