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Latest news and stories from BleepingComputer.com
Google links WinRAR exploitation to Russian, Chinese state hackers

Google says that several state-backed hacking groups have joined ongoing attacks exploiting a high-severity vulnerability in WinRAR, a compression software used by over 500 million users, aiming to gain arbitrary code execution on targets' systems. [...]
North Korean hackers exploit critical TeamCity flaw to breach networks

Microsoft says that the North Korean Lazarus and Andariel hacking groups are exploiting the CVE-2023-42793 flaw in TeamCity servers to deploy backdoor malware, likely to conduct software supply chain attacks. [...]

https://www.bleepingcomputer.com/news/security/north-korean-hackers-exploit-critical-teamcity-flaw-to-breach-networks/
Ukrainian activists hack Trigona ransomware gang, wipe servers

A group of cyber activists under the Ukrainian Cyber Alliance banner has hacked the servers of the Trigona ransomware gang and wiped them clean after copying all the information available. [...]

https://www.bleepingcomputer.com/news/security/ukrainian-activists-hack-trigona-ransomware-gang-wipe-servers/
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Iranian hackers lurked in Middle Eastern govt network for 8 months

The Iranian hacking group tracked as MuddyWater (aka APT34 or OilRig) breached at least twelve computers belonging to a Middle Eastern government network and maintained access for eight months between February and September 2023. [...]

https://www.bleepingcomputer.com/news/security/iranian-hackers-lurked-in-middle-eastern-govt-network-for-8-months/
Microsoft extends Purview Audit log retention after July breach

Microsoft is extending Purview Audit log retention as promised after the Chinese Storm-0558 hacking group breached dozens of Exchange and Microsoft 365 corporate and government accounts in July. [...]

https://www.bleepingcomputer.com/news/security/microsoft-extends-purview-audit-log-retention-after-july-breach/