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Federal law enforcement agencies have successfully dismantled the critical infrastructure of BlackSuit ransomware, a sophisticated cybercriminal operation that has compromised over 450 victims across the United States since 2022 and collected more than…
Threat actors are placing a higher priority on neutralizing endpoint detection and response (EDR) systems in order to remain stealthy in the dynamic world of multi-stage cyberattacks. Since 2022, malware sophistication has surged, with tools specifical…
The Acronis Threat Research Unit (TRU) dissected recent samples from the Akira and Lynx ransomware families, revealing incremental enhancements in their ransomware-as-a-service (RaaS) models and double-extortion strategies. Both groups leverage stolen …
DaVita has notified over 1 million individuals that their personal and health information was stolen in a ransomware attack.
The post Over 1 Million Impacted by DaVita Data Breach appeared first on SecurityWeek.
On July 22, 2025, the European police agency Europol said a long-running investigation led by the French Police resulted in the arrest of a 38-year-old administrator of XSS, a Russian-language cybercrime forum with more than 50,000 members. The action has triggered an ongoing frenzy of speculation and panic among XSS denizens about the identity of the unnamed suspect, but the consensus is that he is a pivotal figure in the crime forum scene who goes by the hacker handle “Toha.” Here’s a deep dive on what’s knowable about Toha, and a short stab at who got nabbed.
GuidePoint Security uncovers a new Akira ransomware tactic targeting SonicWall VPNs. The group’s use of drivers to disable defenses is a significant threat to businesses.
Unit 42 researchers have identified significant overlaps between Microsoft’s reported ToolShell exploit chain targeting SharePoint vulnerabilities and a tracked activity cluster dubbed CL-CRI-1040. This cluster, active since at least March 2025, …
Cyber attackers are finding new ways in through the overlooked and unconventional network corners. Forescout’s 2025H1 Threat Review reveals a surge in advanced tactics, with zero-day exploits up 46 percent and ransomware attacks averaging 20 per …
Threat actors might be exploiting a zero-day vulnerability in SonicWall firewalls in a fresh wave of ransomware attacks.
The post SonicWall Hunts for Zero-Day Amid Surge in Firewall Exploitation appeared first on SecurityWeek.
Threat actors are using a new quadruple extortion tactic in ransomware campaigns, while double extortion remains the most common approach, according to Akamai. Ransomware extortion tactics (Source: Akamai) The emerging trend of quadruple extortion incl…