Beware the hacker. As technology evolves, one would think security is keeping up. Not exactly. If history is anything to go by, getting hacked -- sometimes more than once -- is inevitable. In the last week alone, two tech companies came under fire when Russian hackers reportedly published 6 million LinkedIn user passwords; eHarmony experienced a similar cyber attack, possibly by the same group. Here's a look at some of the biggest security breaches over the last 10 years.
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