Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Sarcoma Ransomware Unveiled: Anatomy of a Double Extortion Gang RVTools Bumblebee Malware Attack – How a Trusted IT Tool Became a Malware Delivery Vector Malicious ‘Checker’ Packages on PyPI Probe TikTok and Instagram for Valid Accounts […]
A new round of the weekly Securitythe weekly Security Affairs newsletterAffairs newsletter arrived! Every week the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. Silent Ransom Group targeting law firms, the FBI warns Leader of Qakbot cybercrime network […]
Operation ENDGAME dismantled key ransomware infrastructure, taking down 300 servers, 650 domains, and seizing €21.2M in crypto. From May 19 to 22, 2025, Operation ENDGAME, coordinated by Europol and Eurojust, disrupted global ransomware infrastructure. Law enforcement took down down 300 servers and 650 domains, and issuing 20 international arrest warrants. “A Command Post was set […]
FBI warns Silent Ransom Group has targeted U.S. law firms for 2 years using callback phishing and social engineering extortion tactics. The FBI warns that the Silent Ransom Group, active since 2022 and also known as Luna Moth, has targeted U.S. law firms using phishing and social engineering. Linked to BazarCall campaigns, the group previously […]
The U.S. indicted Russian Rustam Gallyamov for leading the Qakbot botnet, which infected 700K+ devices and was used in ransomware attacks. The U.S. authorities have indicted Russian national Rustam Gallyamov, the leader of the Qakbot operation, which infected over 700,000 computers and facilitated ransomware attacks. Qakbot, also known as QBot, QuackBot and Pinkslipbot, is an […]
Law enforcement operation codenamed ‘Operation RapTor’ led to the arrest of 270 dark web vendors and buyers across 10 countries. Police arrested 270 suspects following an international law enforcement action codenamed ‘Operation RapTor’ that targeted dark web vendors and customers from ten countries. The Operation RapTor has dismantled networks trafficking in drugs, weapons, and counterfeit […]
A Chinese threat actor, tracked as UAT-6382, exploited a patched Trimble Cityworks flaw to deploy Cobalt Strike and VShell. Cisco Talos researchers attribute the exploitation of the CVE-2025-0994 in Trimble Cityworks to Chinese-speaking threat actor UAT-6382, based on tools and TTPs used in the intrusions. The vulnerability CVE-2025-0994 (CVSS v4 score of 8.6) is a […]
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a Samsung MagicINFO 9 Server vulnerability to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Samsung MagicINFO 9 Server vulnerability, tracked as CVE-2025-4632 (CVSS score of 9.8), to its Known Exploited Vulnerabilities (KEV) catalog. The vulnerability is an improper limitation of a pathname […]
Signal implements new screen security on Windows 11, blocking screenshots by default to protect user privacy from Microsoft’s Recall feature. A Signal update for the Windows app prevents the system from capturing screenshots by default. The feature protects users’ privacy from Microsoft’s Recall feature. “Signal Desktop now includes support for a new “Screen security” setting […]
Microsoft found 394,000 Windows systems talking to Lumma stealer controllers, a victim pool that included global manufacturers. A US court order, with Europol and Japan’s JC3 dismantled the Lumma Stealer malware operation, seizing 2,300 domains used for command-and-control and blocking dark web markets offering the infostealer. A US court order, with Europol and Japan’s JC3, […]