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internet security tHreAt rePOrt GOVernMent 2013

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p. 12<br />

Symantec Corporation<br />

Internet Security Threat Report <strong>2013</strong> :: Volume 18<br />

2012 IN NUMbERS<br />

Bot Zombies<br />

(in millions) millions)<br />

Mobile Malware<br />

Families Increase Increase<br />

2011–2012<br />

2011<br />

2010<br />

3.1<br />

2012 3.4<br />

58 %<br />

4.5<br />

New Zero-Day<br />

Vulnerabilities<br />

14 8 14<br />

2010 2011 2012<br />

Web Web Attacks<br />

Blocked Per Day<br />

2011<br />

2012<br />

190,370<br />

247,350<br />

New Unique<br />

Malicious Web Domains<br />

2010 43,000<br />

2011 55,000<br />

2012 74,000

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