It's time to stop using IE6 | Ed Bott’s Microsoft Report | ZDNet.com
(emphasis mine)
"Any IT professional who is still allowing IE6 to be used in a corporate setting is guilty of malpractice. Think that judgment is too harsh? Ask the security experts at Google, Adobe, and dozens of other large corporations that are cleaning up the mess from a wave of targeted attacks that allowed source code and confidential data to fall into the hands of well-organized intruders."
via It's time to stop using IE6 | Ed Bott’s Microsoft Report | ZDNet.com.