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via Lifehacker http://ift.tt/1GBG7Wr

You occasionally hear about major security vulnerabilities being discovered before they’re exploited, like the notorious Heartbleed bug last year. Security researchers work hard to weed out those dangerous flaws before they’re found by hackers of more malicious intent. This breed of preemptive hacking is sometimes referred to as white hat, or simply “ethical hacking.”

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