internet security tHreAt rePOrt GOVernMent 2013

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p. 120 Symantec Corporation Internet Security Threat Report <strong>2013</strong> :: Volume 18 SPAM AND FRAUD ACTIVITy TRENDS Figure c.4. Proportion of Email Traffic Identified as Spam by Organization Size, 2012 Source: Symantec.cloud 90% 80 70 60 50 40 30 20 15 0.0 1-250 251-500 501-1,000 1,001-1,500 1,501-2,500 Figure c.5. Proportion of Email Traffic Identified as Spam by Geographic Location, 2012 Source: Symantec.cloud Saudi Arabia Bulgaria Chile Hungary China Sri Lanka Tanzania, United Republic of Qatar Brazil Oman 2,501+ 2011 2012 10 20 30 40 50 60 70 80 90% 2011 2012
p. 121 Symantec Corporation Internet Security Threat Report <strong>2013</strong> :: Volume 18 SPAM AND FRAUD ACTIVITy TRENDS Commentary • The spam rate has decreased across all top 10 geographies in 2012. The highest rate for spam is for organizations in Saudi Arabia, with an overall average spam rate of 79.1 percent. In 2011, the highest rate was in Saudi Arabia, with an overall average spam rate of 80.9 percent. • The spam rate has decreased across all top 10 industry sectors in 2012. Organizations in the Marketing/Media sector were subjected to the highest spam rate of 69.3 percent in 2012; in 2011, the automotive sector had the highest spam rate of 77.9 percent. • The spam rate has decreased for all sizes of organization in 2012. 68.4 percent of emails sent to large enterprises with more than 2,500 employees in 2012 were identified as spam, compared with 75.2 percent in 2011. • 68.4 percent of emails sent to SMBs with up to 250 employees in 2012 were identified as spam, compared with 74.6 percent in 2011.
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