FIRESTARTER Backdoor

Malware Analysis Report at a Glance Malware Name FIRESTARTER Original Publication April 23, 2026 Executive Summary The Cybersecurity and Infrastructure Security Agency (CISA) analyzed a sample of FIRESTARTER malware obtained from a forensic investigation. CISA and the United Kingdom National…

UAT-4356’s Targeting of Cisco Firepower Devices

Cisco Talos is aware of UAT-4356’s continued active targeting of Cisco Firepower devices’ Firepower eXtensible Operating System (FXOS). UAT-4356 exploited n-day vulnerabilities (CVE-2025-20333 and CVE-2025-20362) to gain unauthorized access to vulnerable devices. This article has been indexed from Cisco Talos…

Cloudsmith Raises $72 Million in Series C Funding

The company will use the investment to accelerate product development and grow go-to-market efforts. The post Cloudsmith Raises $72 Million in Series C Funding appeared first on SecurityWeek. This article has been indexed from SecurityWeek Read the original article: Cloudsmith…

Cyber Briefing: 2026.04.23

The current cybersecurity landscape is marked by sophisticated shifts in attack vectors, including indirect prompt injection against AI assistants and the use of custom exfiltration tools… This article has been indexed from CyberMaterial Read the original article: Cyber Briefing: 2026.04.23