A new, incredibly sneaky identity-theft tactic surfaced earlier this week when Mozilla's Aza Raskin, the creative lead of Firefox, unveiled what's become known as "tabnapping."

Stated simply, tabnapping -- from the combination of "tab" and "kidnapping" -- could be used by clever phishers to dupe users into giving up passwords by secretly changing already-open browser tabs. All of the major browsers on Windows and Mac OS X are vulnerable to the attack.

By Gregg Keizer, Computerworld

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