The ZeroAccess botnet, disrupted by Microsoft in 2013, has risen up once more to commit click-fraud and data theft. Originally discovered in 2013, the ZeroAccess botnet -- also known as Sirefef -- ...

ZeroAccess is estimated to be present in 2.2 to 1.9 million computers on any given day. Kindsight Security Labs Malware Report for the end of last year estimated that 1 in every 125 US home networks ...

The cybercriminals behind ZeroAccess, one of the largest botnets in existence, have lost access to more than a quarter of the infected machines they controlled because of an operation executed by ...

Microsoft said late Thursday that it executed a concerted action with Europol against the servers and domains controlled by the Sirefef or ZeroAccess botnet. The botnet, responsible for hijacking ...

Late last week, Microsoft announced it had taken down much, but not all, of a major botnet that has been operating since 2011 throughout much of Europe. The Microsoft Digital Crimes Unit today worked ...

Microsoft is claiming a total victory – at least for this round – over the ZeroAccess bot-herders whose criminal network was the target of a joint effort among Microsoft, the FBI, Europol and a group ...

Microsoft said the botmasters behind ZeroAccess have abandoned the peer-to-peer botnet less than a month after Microsoft and law enforcement disrupted its click-fraud operation. Microsoft is declaring ...

Symantec has announced that they’ve successfully taken down a significant part of the ZeroAccess botnet, by exploiting a weakness discovered in its code. The ZeroAccess botnet has existed in one form ...

REDMOND, Wash., Dec. 5, 2013 /PRNewswire/ -- The Microsoft Digital Crimes Unit today announced it has successfully disrupted a rampant botnet in collaboration with Europol's European Cybercrime Centre ...

Authorities in Europe joined Microsoft Corp. this week in disrupting “ZeroAccess,” a vast botnet that has enslaved more than two million PCs with malicious software in an elaborate and lucrative ...

The cybercriminals behind ZeroAccess, one of the largest botnets in existence, have lost access to more than a quarter of the infected machines they controlled because of an operation executed by ...