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p. 128 Symantec Corporation Internet Security Threat Report <strong>2013</strong> :: Volume 18 SPAM AND FRAUD ACTIVITy TRENDS Figure c.12. Spam by Category, 2012 Source: Symantec.cloud Pharmaceutical Watches/Jewelry Sexual/Dating Unsolicited Newsletters Casino/Gambling Diet/Weight Loss Malware Unknown/Other Scams/Fraud/419s Software Jobs/Money Mules Degrees/Diplomas Mobile Phones Phishing Commentary 0 5 10 15 20 25 30 35 40 45 50 55 60% • Adult spam dominates this year, with more than half (54.6 percent) of all spam in 2012 related to adult spam, an increase of 39.9 percentage points compared with 2011. These are often email messages inviting the recipient to connect to the scammer through instant messaging, or a URL hyperlink where they are then typically invited to a pay-per-view adult-content Web cam site. Often any IM conversation would be handled by a bot responder, or a person working in a low-pay, offshore call center. • The disruption of the Grum and Festi botnet in July and October 2012 respectively had a major impact on the decline in pharmaceutical spam products. • A category with a low percentage still means millions of spam messages. Although it is difficult to be certain what the true volume of spam in circulation is at any given time, Symantec estimates that approximately 30 billion spam 2011 2012 emails were sent globally each day in 2012. Where some of the categories listed earlier represent 0.4 percent of spam, this figure equates to more than 120 million spam emails in a single day. • Spam in the categories Watches/Jewelry, Casino/Gambling, Unsolicited Newsletters, and Scams/Fraud all decreased.
p. 129 Symantec Corporation Internet Security Threat Report <strong>2013</strong> :: Volume 18 SPAM AND FRAUD ACTIVITy TRENDS Phishing Activity Trends Background This section discusses the proportion of malicious email activity that is categorized as phishing attacks and looks more closely at emerging trends, particularly social engineering techniques and how attackers can automate the use of RSS news feeds to incorporate news and current affairs stories into their scams. Data Figure c.13. Phishing Rates, 2011–2012 Source: 0 Symantec.cloud 1 in 100 1 in 200 1 in 300 1 in 400 1 in 500 1 in 600 JAN APR JUL OCT JAN APR Methodology The data for this section is based on the analysis of email traffic collected from Symantec.cloud global honeypots and from the analysis of malicious and unwanted email traffic data collected from customers worldwide. The analysis of phishing trends is based on emails processed by Symantec.cloud Skeptic 4 technology and analysis of phishing emails collected in spam honeypots. Symantec.cloud spam honeypots collected between 2–5 million spam emails each day during 2012. JUL OCT 2011 2012
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