Report: Cyber attacks up 81 percent in 2011

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Symantec Corp. 

released its annual Internet Security Threat Report that paints a pretty frightening reality: an 81 percent increase in malicious attacks that are no longer limited to large organizations, reports the Washington Business Journal.

The report, released Monday, found that the number of malicious attacks continued to climb even as the number of vulnerabilities decreased. Symantec blocked more than 5.5 billion malicious attacks in 2011, an increase of 81 percent over the previous year. The number of unique malware types increased to 403 million, and the number of Web attacks blocked per day jumped 36 percent.

On a brighter note, spam levels fell, and new vulnerabilities discovered decreased by 20 percent. The report points to social media as a primary mechanism for launching attacks.


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