Threat hunters have uncovered a new threat actor named UAT-5918 that has been attacking critical infrastructure entities in Taiwan since at least 2023.
"UAT-5918, a threat actor believed to be motivated by establishing long-term access for information theft, uses a combination of web shells and open-sourced tooling to conduct post-compromise activities to establish persistence in victim
Between late January and early March 2025, cybersecurity researchers at Forescout’s Vedere Labs uncovered a series of sophisticated intrusions leveraging critical Fortinet vulnerabilities. The attacks, attributed to a newly identified…
[[{"value":"Microsoft has observed a new variant of the XCSSET malware being used in limited attacks against macOS users. The post Microsoft Warns of Improved XCSSET macOS Malware appeared first on…
Microsoft said it has discovered a new variant of a known Apple macOS malware called XCSSET as part of limited attacks in the wild.
"Its first known variant since 2022, this latest XCSSET malware features enhanced obfuscation methods, updated persistence mechanisms, and new infection strategies," the Microsoft Threat Intelligence team said in a post shared on X.
"These enhanced features add to
An Advanced Persistent Threat (APT) is a sophisticated and stealthy cyberattack designed to gain unauthorized, long-term access to a target’s network. These attacks are meticulously planned and executed by highly…