Microsoft has disrupted an emerging botnet along with more than 500 strains of malware after taking control of a malicious.org domain this week. Last August, Microsoft learned that many systems sold in China were preloaded with malware, including strains linked to Nitol...

Security researchers announced they’ve dismantled the world's third-largest botnet, known as Grum, which is believed to have been responsible for 18% of the world's spam. The shutdown was a joint effort between California security firm FireEye, the British-based Spamhaus Project…

Although folks are currently fixated on the Flashback botnet, Sophos draws attention to the fact that one in five Macs harbors some kind of Windows-oriented malware. The company gathered results over seven days from 100,000 Apple machines using its free antivirus program...

In collaboration with the financial services industry and the US government, Microsoft has dismantled another major malware network, raiding command-and-control servers in Scranton, Pennsylvania and Lombard, Illinois on Friday. Microsoft described the undertaking as its most complex...