Enlarge Stealthy and multifunctional Linux malware that has been infecting telecommunications companies went largely unnoticed for two years until being documented for the first time by researchers on Thursday. Researchers from security firm Group-IB have named the remote access trojan “Krasue,” after a nocturnal spirit depicted in Southeast Asian …

Enlarge Researchers have discovered a never-before-seen backdoor for Linux that’s being used by a threat actor linked to the Chinese government. The new backdoor originates from a Windows backdoor named Trochilus, which was first seen in 2015 by researchers from Arbor Networks, now known as Netscout. They said …

Enlarge (credit: Getty Images ) A critical vulnerability patched 10 days ago in widely used email software from IT security company Barracuda Networks has been under active exploitation since October. The vulnerability has been used to install multiple pieces of malware inside large organization networks and steal data, Barracuda said …

Enlarge (credit: Getty Images / iStock ) Researchers have unearthed a discovery that doesn’t occur all that often in the realm of malware: a mature, never-before-seen Linux backdoor that uses novel evasion techniques to conceal its presence on infected servers, in some cases even with a forensic investigation. On Thursday …

Enlarge (credit: Getty Images ) Researchers have uncovered advanced, never-before-seen macOS malware that was installed using exploits that were almost impossible for most users to detect or stop once the users landed on a malicious website. The malware was a full-featured backdoor that was written from scratch, an indication that …

Researchers have spotted notable code overlap between the Sunburst backdoor and a known Turla weapon. [...]