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Even after their zero-day vulnerability turned into an n-day, attackers known as Marbled Dust or Sea Turtle continued to spy on military targets that had failed to patch Output Messenger.
A previously unknown threat activity cluster targeted European organizations, particularly those in the healthcare sector, to deploy PlugX and its successor, ShadowPad, with the intrusions ultimately leading to deployment of a ransomware called NailaoLocker in some cases
AG Says HealthAlliance Tried But Failed to Fix Zero-Day Flaw That Led to ExploitNew York State has levied a $550,000 fine against a healthcare group that tried - but failed - to patch a critical zero-day vulnerability in a Citrix NetScaler appliance used for telemedicine. Hackers exploited the flaw, stealing 196 gigabytes of data in an incident affecting 242,000 people.
Researchers Discover 20 Critical Flaws Attackers Could Exploit in a Variety of WaysResearchers identified 20 critical vulnerabilities in a type of Advantech industrial-grade wireless access point that's widely deployed across critical infrastructure environments. Attackers could exploit the flaws to remotely executive code and create denials of service.
TA422 Is Targeting Organizations in Europe and North America, Proofpoint SaysA Russian military hacking intelligence group is winning the race to exploit known vulnerabilities before system administrators can apply patches, warns Proofpoint. The firm has seen a spike in activity from TA422, also known as APT28, Fancy Bear and Forest Blizzard.
Military Intelligence Exploits Microsoft Flaw Patched In MarchRussian military intelligence hackers active in Poland are exploiting a patched flaw in Microsoft Outlook, say cyber defenders from Redmond and Warsaw. Microsoft in a Monday post identifies the hackers as Forest Blizzard, also known as APT28 and Fancy Bear.
In the race over Citrix's latest vulnerability, the bad guys have a huge head start, with broad implications for businesses and critical infrastructure providers worldwide.
The North Korea-linked threat actor known as Lazarus Group has been observed exploiting a now-patched critical security flaw impacting Zoho ManageEngine ServiceDesk Plus to distribute a remote access trojan called such as QuiteRAT