17 Biggest Data Breaches of All Time

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9. Microsoft Corporation (NASDAQ:MSFT)’s LinkedIn

No. of records: 164 million
Year: 2012

Back in 2012, Microsoft Corporation (NASDAQ:MSFT)‘s LinkedIn (Microsoft did not own it at the time) suffered a data breach that was initially thought to contain 6.5 million encrypted passwords from the site. Not much, right? Well, it seems that the amount of data that was stolen was much, much bigger. Subsequent reports indicated 117 million email and password combos were nabbed, before the number rose further, to 164 million. Everything was being sold on a dark web marketplace by a Russian hacker in the spring of 2016.

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