No let-up in email threat landscape

Friday, 30 April, 2010

Email Security Threat Brief for the month of March 2010 highlights the monthly email trends from Websense Security Labs.

Key stats:

Threats 'in the mail' this month:

  • 3.5 billion messages processed by the Hosted Infrastructure (over 112 million per day)
  • 83.4% of all email was spam
  • 93.7% of spam included an embedded URL
  • 1.1 million instances of 85 unique zero-day threats stopped by ThreatSeeker before AV (antivirus)
  • 0.4% of spam emails were phishing attacks

How Websense is addressing these threats:

  • 99.5% spam detection rate. Websense Hosted Email Security provides 99% spam detection Service Level Agreement.
  • Average false positive rate of 1 in 327,083
  • 26% average daily threats protected using ThreatSeeker intelligence before AV signatures were available

What this means:

  • Not surprisingly, the threat landscape is dangerous and growing more sophisticated.
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