10 Quick Fixes for the Worst Security Nightmares - knowing it

Most security attacks are targeted at a few weak points on your PC that aren't that hard to protect. Follow these simple tips, and you'll suddenly be a whole lot safer.

In the world of comic books, every bad guy is an evil genius. On the Web, hackers, spammers, and phishers may be evil, but they're not required to be geniuses. They can make a healthy living just by exploiting known security holes that many users haven't bothered to patch. Or by relying on the propensity of millions of people to do things they've been told over and over not to do.

The silver lining is that you don't have to be a genius to avoid these common attacks either. Implement a few simple fixes, and you'll avoid most of the bad stuff out there.
Fix 1: Patch Over the Software Bull's-Eye

Have you turned off automatic updates for Windows and other programs on the rationale that "if it ain't broke, don't fix it?" Then consider this: Your programs may be very, very broken, and you don't know it. The days of big splashy viruses that announce themselves to PC users are over. The modern cybercriminal prefers to invisibly take control of your PC, and unpatched software gives them the perfect opportunity to do so.

Today, a hijacked Web page--modern digital crooks' attack of choice--will launch a bevy of probes against your PC in search of just one unpatched vulnerability that a probe can exploit. If it finds one, better hope your antivirus program catches the ensuing attack. Otherwise you likely won't even notice anything amiss as it infects your system.

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