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It plans to use the acquisition to push its existing backup, storage, and online remote access into the MessageLabs customer base.
Spam levels dropped by about one-third following the recent takedown of the Rustock spambot, according to Symantec's latest Intelligence Report.
The Rustock botnet is shrinking in size but its spam attacks are increasing in scale and intensity, security vendor Symantec said.
Using Internet access terminals at an airport might put you at risk of losing personal information.
More malware is sent via e-mail servers in U.S., but China is actually the top source for malware based on true location of senders, says Symantec.
Spam levels increase more than 5 percent in February over prior month, due in large part to greater activity from Grum and Rustock botnets, according to Symantec.
E-mail spam that includes truncated Web addresses sees a dramatic increase very recently, security provider MessageLabs says.
Spam made up more than 90 percent of all e-mail last month, with networks of zombie PCs producing the vast majority of such messages, MessageLabs says.
Botnets appear to have suffered a big blow with the shutdown of Pricewert, resulting in the reduction of spam activities by 15 percent globally.
Symantec report also notes, among other things, that spam levels jumped 5 percent from April to May, and reputable domains are favorite targets of cybercriminals.