The Energizer Bunny keeps going and going, but he picked up a nasty Trojan along the way. The U.S. Department of Homeland Security discovered that Energizer's Duo USB charger left Windows computers open to remote control, thanks to a back door in the product's battery monitoring software. Here's what you need to know:

What is the Energizer DUO?
It's a USB and AC charger for NiMH batteries. Bundled software for Windows and Mac lets you see how much juice is in your batteries. The DUO went on sale in 2007 in the United States. Energizer also released a USB charger without the DUO name and AC functionality in Europe, Latin America and Asia.

What's the problem?
While the hardware alone won't cause any issues, the battery monitoring software for Windows - not for Mac -- installs a backdoor that allows remote access to your computer...

More: http://pcworld.com/article/190990/

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