Date: March 2011
Affected: 40 million
Another high-profile breach last year occurred whenattackers compromised the servers of RSA, the security division of storage giant EMC, and gained access to the information of over 40 million authentication tokens used by employees to access corporate and government networks. (According to Gartner Research, nearly 80% of banks use it.) The company has spent over $66 million since then to monitor the information of concerned clients.
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