Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
SectopRAT & StealC: Claude AI Malvertising and Supply Chain CRM Theft
SectopRAT & StealC: Claude AI Malvertising and Supply Chain CRM Theft Excerpt: Active malvertising pushes SectopRAT via Claude AI lures; Sup...
NOVA Ransomware: Global Tech Sector Surge & Critical Infrastructure Exploitation
Threat Actor Profile: NOVA Aliases & Affiliations: NOVA operates as a Ransomware-as-a-Service (RaaS) entity with ties to former affiliates o...
LunchPoke Malware: Detecting Notepad++ Plugin Abuse & Persistence
Introduction The Computer Emergency Response Team of Ukraine (CERT-UA) has issued a critical warning regarding an active campaign leveraging...
Russian State-Sponsored Social Engineering Campaign Against Zimbra: Detection and Defense Guide
Russian State-Sponsored Social Engineering Campaign Against Zimbra: Detection and Defense Guide Introduction Russian state-supported cyber a...
Insider Threat Defense: Detecting Unauthorized PHI Access in Healthcare
Insider Threat Defense: Detecting Unauthorized PHI Access in Healthcare Introduction A recent incident involving a Colorado Behavioral Healt...
CVE-2025-54505: AMD Speculative Execution Flaw — Linux Kernel Mitigation Guide
Introduction Security Arsenal is tracking the release of USN-8576-2, which addresses critical security vulnerabilities in the Linux kernel, ...
Scaling the SOC: The Strategic Shift to Composable Security Operations
Scaling the SOC: The Strategic Shift to Composable Security Operations Abstract’s recent $25 million funding round—bringing its total capita...
Anthropic Claude Cowork VM Escape: macOS Detection and Hardening Guide
Anthropic Claude Cowork VM Escape: macOS Defense and Hardening Guide Introduction Security researchers at Accomplish AI have disclosed a cri...
Android Spyware, PLC Attacks & AI Prompt Injection: Detecting and Defending Against Emerging Threat Vectors in 2026
This week's ThreatsDay Bulletin highlights a disturbing trend in 2026: adversaries are increasingly disguising their malicious activities as...