Spam takes a summer break

The numerator

The amount of spam sent over the Internet dips slightly during the summer but returns full-force in September, noticed engineers at St. Bernard Software, a provider of security appliances and hosted solutions. The company speculates that as college students head for the beach and the road, their Internet use declines. Back in school, though, their lax attitude toward security renders their computers easy marks for zombification by spammers.

Total number of inbound messages, by month for 2007, processed by St. Bernard. About 90 percent of these messages were spam.

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