Security Response Publications

Symantec Security Response is a worldwide team of security engineers, threat analysts, and researchers who develop a variety of content on the latest threats that impact organizations and end users.
Overall Email Virus Rate

Symantec Intelligence Report: November 2013

The monthly intelligence report, provides the latest analysis of cyber security threats, trends, and insights from the Symantec intelligence team concerning malware, spam, and other potentially harmful business risks.
29 pages, 1.04 MB (PDF)

Highlights from November 2013 Intelligence Report

Key Findings

  • Targeted attacks per day are up in November compared to the last month, and are almost double the number during the same month in 2012.
  • Another large data breach was reported in November, where 42 million identities were exposed as a result. However, the breach took place in January of 2013.
  • The email virus rate has increased in November, where one in 235 emails contains a malicious attachment.
Overall Email Virus Rate overview, January 2014
Overall Email Virus Rate overview, January 2014

Email Virus Rate: November 2012 to November 2013

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