When I left home this morning, my computer was as secure as a computer can be - totally safe from viruses, Trojan horses, and all other forms of malware.
Of course, it was switched off. Once it's powered up and linked to the Internet, crooks from around the world go to work. They may want to swipe credit card numbers or bank account data. Or they might try to make my computer a zombie, so it can attack other machines by remote control.
Internet security can never be perfect, since the bad guys never stop inventing ways to hit us. But that's no excuse for neglecting the basics.
First, keep all your software up to date. Download and install patches against newly discovered security threats. Millions of people don't bother. We know this because at least nine million Windows PCs are infected by a malware program called Conficker. Windows computers with the latest patches are safe from Conficker and many other threats.
Boston Globe - Full Story
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