Hackers control PCs while users unaware
A few weeks ago Candace Locklear's office computer quietly started sending out dozens of instant messages with photos attached that were infected with malicious software. She was sitting at her desk, with no sign that the messaging software was active. By the time she figured out what was going on, several friends and colleagues had opened the attachments and infected their computers.
It took eight hours for a technician to clean up her computer. But because the malicious software worked so secretly, she's still not convinced that all's clear.
At the Washington Post.
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