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Symantec Intelligence

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Symantec Intelligence: November sees a four-fold increase in the number of daily targeted attacks since January
Paul Wood | 06 Dec 2011 | 1 comment

Global spam is now at the lowest it has been since November 2008, when the rogue ISP McColo was closed-down. The effect on spam volumes back then were very dramatic and spam accounted for 68.0% of global emails. More recently the decline has been much slower, but spammers have also adapted to using more targeted approaches and exploiting social media as alternatives to email. Moreover, pharmaceutical spam is now at the lowest it has been since we started tracking it, accounting for 35.5% of spam, compared with 64.2% at the end of 2010.

With targeted attacks and advanced persistent threats being very much in the news this year, we thought it would be a good time as the end of the year draws closer to begin our review of targeted attacks and look more closely at what has been described as “advanced persistent threats” or APTs for short. Terms such as APT have been overused and sometimes misused by the media, but APTs are a real threat to some companies and...

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Welcome to the new-look Symantec Intelligence Report
Paul Wood | 28 Jun 2011 | 2 comments

Welcome to the June edition of the Symantec Intelligence report, which for the first time combines the best research and analysis from the Symantec.cloud MessageLabs Intelligence Report and the Symantec State of Spam & Phishing Report.  The new integrated report, the Symantec 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.

Since the shutdown of the Rustock botnet in March, spam volumes have never quite recovered as the volume of spam in global circulation each day continues to fluctuate, as shown in figure 1, below.

The overall impact has been that spam now accounts for 72.9% of email in June, returning to the same level as in April earlier this year. In June, 76.6% of this spam was being sent from botnets, compared with 83.1% in March. This marks a return to the same level of output as at the end of 2010...

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