‫ Summary of Symantec Intelligence Report: October 2013

Date: 2013-11-25

In this month’s report we take a look at what has happened in a number of key sections of the threat landscap. We delve deeper into the world of vulnerability, data breaches, spam, and malware, detailing what has happened so far in 2013 and bringing us up to speed through the month of October.


There were 663 new vulnerabilities discovered in October, bringing the total for the year up to 5527, a 17 percent increase compared to the same period in 2012.

There were 5 vulnerabilities discovered in mobile operating systems during the month of October.

Google’s Chrome browser continues to lead in reporting browser vulnerabilities, while Oracle’s Java leads in reported plug-in vulnerabilities.


The global spam rate increased 1.3 percentage points in October to 67.7 percent, up from 66.4 percent in September.

Education was the most commonly targeted industry, knocking Pharmaceuticals from the top spot this month.

The top-level domain (TLD) for Russia, .ru, continues to top the list of malicious TLDs in October.

Pharmaceutical spam is the most common category, at 69.4 percent. Sex/Dating spam comes in second at 23.6 percent.


Top 10 Sources of Spam

The global average virus rate in October was one in 436.7 emails, compared to one in 383.1 in September.
The United Kingdom topped the list of geographies, with one in 240.7 emails containing a virus.
The United Kingdom was also the largest source of virus-laden emails, making up 38.2 percent of all email-based viruses.

Small-to-medium size businesses with 1-250 employees were the most targeted company size, where one and 369.6 emails contained a virus.

Data Breach
October saw the largest single breach in a number of years, with reports of 150 million identities exposed in a single breach.
There were a number of breaches reported during October that occurred earlier in the year. This brings the total number of breaches to 165 for so far in 2013.

Of the reported breaches so far in this year, the top three types of information exposed are a person’s real name, government ID number (e.g. Social Security), and birth date.


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