Researchers at cyber security firm ClearSky claim to have uncovered an Iranian hacking campaign intended to gain a persistent foothold on the networks of major companies worldwide. The campaign, dubbed...
Improper usage was identified as the most common attack vector last year
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