Sophos Firewall v21.5: NDR Essentials

Threat intelligence firm GreyNoise has warned of a “coordinated brute-force activity” targeting Apache Tomcat Manager interfaces. The company said it observed a surge in brute-force and login attempts on June 5, 2025, an indication that they could be deliberate efforts to “identify and access exposed Tomcat services at scale.” To that end, 295 unique IP…

Palo Alto Networks has patched CVE-2024-3393, a vulnerability that has been exploited for DoS attacks against the company’s firewalls. The post Palo Alto Networks Patches Firewall Zero-Day Exploited for DoS Attacks appeared first on SecurityWeek.

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Cybersecurity researchers have shed light on a novel attack chain that employs phishing emails to deliver an open-source backdoor called VShell. The “Linux-specific malware infection chain that starts with a spam email with a malicious RAR archive file,” Trellix researcher Sagar Bade said in a technical write-up. “The payload isn’t hidden inside the file content…

Intel471 reports: On Feb. 11, 2025, a mysterious leaker going by the Telegram username ExploitWhispers released one year’s worth of internal communications between members of the Black Basta ransomware group on a Telegram channel. Black Basta is still active in a reduced capacity, but in 2022, it was the third most impactful ransomware group. Its members appeared to be experienced…

Cybersecurity researchers have charted the evolution of XWorm malware, turning it into a versatile tool for supporting a wide range of malicious actions on compromised hosts. “XWorm’s modular design is built around a core client and an array of specialized components known as plugins,” Trellix researchers Niranjan Hegde and Sijo Jacob said in an analysis…