ransomware
Berlin confirms data theft after Rhysida ransomware attack claims
Berlin’s city administration has confirmed that cybercriminals are attempting to extort the city after the Rhysida ransomware gang listed it on their data leak site. The attack was discovered in mid-August, and the threat actor claimed it publicly last Friday, on August 28. Kai Wergner, the Mayor of Berlin, stated that the city will not […]
ATF confirms “major incident” after recent Qilin breach claims
ATF, the regulatory agency that enforces federal laws governing firearms and explosives in the United States, has confirmed that one of its systems was compromised after breach claims made by the Qilin ransomware gang. This follows Qilin adding the U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives to its dark web data leak portal on […]
Rogue ransomware affiliate poses as recovery firm to steal payments
A suspected ransomware affiliate is posing as a ransomware recovery service called “Ransom Busters,” contacting victims before the attacks become public and claiming it can provide decryption keys and delete stolen data for a fee. GuidePoint Security’s Research and Intelligence Team (GRIT) disclosed this activity after responding to several recent ransomware attacks in which victims received emails from Ransom […]
CISA: Medusa ransomware hit over 500 critical infrastructure orgs
The Cybersecurity and Infrastructure Security Agency (CISA) said Tuesday that the Medusa ransomware gang has breached more than 500 critical infrastructure organizations in the United States since June 2021. This was revealed in a joint advisory in coordination with the Department of Health and Human Services (HHS) and the Federal Bureau of Investigation (FBI). “As of April […]
CISA: Windows Task Host flaw now exploited by ransomware gangs
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has confirmed that ransomware gangs are also exploiting a high-severity Windows Task Host vulnerability that was flagged as actively exploited in April. Task Host is a core Windows system component that allows DLL-based processes to run in the background and prevents data corruption by ensuring they close […]
Akira hackers disable EDR with Safe Mode, steal data but fail to encrypt
An Akira ransomware affiliate disabled the endpoint detection and response (EDR) solution on a compromised system by restarting the machine into Safe Mode with Networking. The attack occurred on August 4 after the hacker obtained initial access through an exposed SonicWall VPN device without multi-factor authentication (MFA). Managed detection and response (MDR) services company Huntress […]
DeadLock ransomware uses blockchain to resist infrastructure takedown
The DeadLock ransomware operation is using a decentralized infrastructure that relies on blockchain-backed services to protect its communication with victims and data-leak activity. The threat actor emerged in mid-2025 and uses double-extortion tactics (data theft/leak and file encryption) to pressure victims into paying a ransom. By July this year, DeadLock’s data leak site listed 80 organizations, mostly from […]
CISA: Microsoft SharePoint flaw now exploited in ransomware attacks
CISA confirmed today that ransomware gangs have begun abusing a high-severity Microsoft SharePoint remote code execution vulnerability, which has been flagged as actively exploited since early July. Tracked as CVE-2026-45659, this security flaw stems from a deserialization of untrusted data weakness and allows attackers with low privileges to execute arbitrary code on unpatched SharePoint servers. It […]
US and South Korea warn of Gunra ransomware targeting govt agencies
U.S. federal agencies and South Korea’s National Policy Agency warned government and critical infrastructure organizations worldwide to secure their systems against Gunra ransomware attacks. In a Monday joint advisory, they said the ransomware group uses a malware variant based on the Conti ransomware source code leaked in February 2022, in attacks targeting a wide range of industry sectors, from […]
New StormEncryptor ransomware used by former Medusa affiliate
A financially motivated threat actor previously associated with the Medusa ransomware operation is now deploying a new ransomware strain called StormEncryptor. Microsoft Threat Intelligence is tracking the actor as Storm-1175 and says the recent attacks were likely preceded by exploitation of an authentication-bypass vulnerability (CVE-2026-18577) in the N-central remote monitoring and management (RMM) tool. Storm-1175 is believed […]