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Recent badware stats

I recently caught up on reading various malware and cybercrime reports from the past few months. Here are a few stats and observations I thought would be especially interesting to the SBW community:

"Enterprise users experienced an average of 339 Web malware encounters per month in 4Q11." (up 205% year over year)

Avg. 20,141 unique Web malware hosts per month in 2011 (vs. 14,217 in 2010)

Source: Cisco 4Q11 Global Threat Report (Jan. 2012)
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Approx. 30,000 new malicious URLs each day in 2H11; 80% of those are legitimate

85% of malware comes from the web

Source: Sophos Security Threat Report 2012 (Jan. 2012)
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Malicious sites up 240 percent in 2011

40% of malnet entry points are via search engines/portals

Source: Blue Coat Systems 2012 Web Security Report (Feb. 2012)
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23% of malicious domain registrations could be blocked with basic validation of contact info

Source: Abused Internet Domain Registration Analysis for Calculating Risk and Mitigating Malicious Activity by KnujOn.com (Feb. 2012)
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Rogue AV campaign infected 200,000 Web pages, 30,000 unique hosts; more than 85% of sites in US, but more geographically dispersed visitors.

Source: Websense via Dark Reading (Mar. 2012)
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On average, two popular websites (among the Alexa top 25,000) serve drive-by downloads each day.

An estimated 1.6 million vulnerable users were exposed to drive-by downloads in one month across 58 popular (Alexa top 25,000) sites.

Source: Barracuda Labs (Mar. 2012)

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