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updated 4/15/2013 8:16:47 PM ET 2013-04-16T00:16:47

Whenever there's a major news event, spammers and scammers capitalize on it by spreading malware and trying to fleece the unsuspecting through email, social media and search engine poisoning.

So it will be with the Boston Marathon bombings, which took place this afternoon (April 15). Over the next week, be very wary of strangers, or even friends, contacting you with special information regarding the attacks.

That tweet promising exclusive video of the bombings? The shortened URL may link to a malware-infected website. The email attachment offering proof that Obama was behind the bombings? Don't open it, even if it comes from someone you know.

Be careful of unsolicited charity pitches as well. Fake organizations will be set up pretending to collect money for bombing victims. They may even call you at home.

Don't give them anything — least of all your credit-card number . (Your local Better Business Bureau should have a guide to giving that will help you see which charities are legitimate.)

If you're looking for news about the bombings and the hunt for suspects, it's best go straight to a trustworthy news source rather than searching online.

Malware distributors use a technique called search engine poisoning to bring malicious links to the top of search results for trending topics — and there's never anything more trending than a breaking story.

By all means, stay informed and give to charity. But be aware that crooks are out there waiting to prey on your better intentions.

Follow Paul Wagenseil @snd_wagenseil. Follow us @TechNewsDaily Facebook  or Google+.

© 2012 TechNewsDaily

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