May 2, 2012 – Malicious attacks by cyber criminals increased by 81% in 2011, according to a report released by Symantec Corp. These targeted attacks are spreading to companies of all kinds and sizes, including financial firms, increasing the number of data breaches.

According to the report, Symantec blocked more than 5.5 billion malicious attacks in 2011, an increase of 81% over the previous year. Moreover, the number of unique malware variants increased to 403 million and the number of Web attacks blocked per day increased by 36%.

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