Security Slideshow: The State of Security: Malware Rises as the Era of Spam Ends

By Jennifer Lawinski  |  Posted 01-26-2012

The State of Security: Malware Rises as the Era of Spam Ends

Enterprise users experienced an average of 339 Web malware encounters per month in 4Q11.

The State of Security: Malware Rises as the Era of Spam Ends

The State of Security: Malware Rises as the Era of Spam Ends - Page 2

An overall average of 362 Web malware encounters per month occurred throughout 2011.

The State of Security: Malware Rises as the Era of Spam Ends - Page 2

The State of Security: Malware Rises as the Era of Spam Ends - Page 3

The highest rate of encounters occurred during September and October 2011 at 698 and 697 on average per enterprise, respectively.

The State of Security: Malware Rises as the Era of Spam Ends - Page 3

The State of Security: Malware Rises as the Era of Spam Ends - Page 4

During 4Q11, 33 percent of Web malware encountered was zero-day malware not detectable by traditional signature-based methodologies at the time of encounter.

The State of Security: Malware Rises as the Era of Spam Ends - Page 4

The State of Security: Malware Rises as the Era of Spam Ends - Page 5

An average of 20,141 unique Web malware hosts were encountered per month in 2011, compared to a monthly average of 14,217 in 2010.

The State of Security: Malware Rises as the Era of Spam Ends - Page 5

The State of Security: Malware Rises as the Era of Spam Ends - Page 6

The rate of SQL injection signature events remained steady throughout 4Q11, dipping slightly toward the quarter's end.

The State of Security: Malware Rises as the Era of Spam Ends - Page 6

The State of Security: Malware Rises as the Era of Spam Ends - Page 7

The highest rate of zero-day malware blocks occurred in November 2011, during which 47 percent of Web malware was blocked by Cisco's Outbreak Intelligence.

The State of Security: Malware Rises as the Era of Spam Ends - Page 7

The State of Security: Malware Rises as the Era of Spam Ends - Page 8

Global spam volumes continued to decline throughout 2011.

The State of Security: Malware Rises as the Era of Spam Ends - Page 8

The State of Security: Malware Rises as the Era of Spam Ends - Page 9

Denial-of-service events increased slightly over the course of 4Q11.

The State of Security: Malware Rises as the Era of Spam Ends - Page 9

The State of Security: Malware Rises as the Era of Spam Ends - Page 10

Industries with highest malware encounter risk:Pharmaceuticals and Chemicals Agriculture and Mining Energy and Oil

The State of Security: Malware Rises as the Era of Spam Ends - Page 10