The UK has climbed the global malware-hosting league, from 10th to sixth place, according to the 2011 threat report from security firm Sophos. The report also reveals that while the US continues to...
Redesigned for stealth and adaptability, data-stealing Valak malware targets Microsoft Exchange Server in enterprises
Valak has been rapidly reconfigured for data exfiltration and has been spotted targeting US and German enterprises
It is built on an entirely different codebase and was compiled in November 2019
The Ukrainian national was part of spear-phishing campaign that enabled hackers to gain unauthorised access to victims' system
The tool uses zero-day bug in the Darwin XNU kernel
The malware avoids infecting every Android device, and rather focuses on hand-picked targets