CNET News Video: Impending Internet darkness for thousands
CNET News Video: Impending Internet darkness for thousands1:36 /
On Monday the Internet may go dark for tens of thousands of computer users here in the US. That's because several years ago hackers sent out a debilitating virus that affected several thousand users worldwide. CNET's Kara Tsuboi reports on how the DNSChanger malware works and what you can do to protect your computer.