Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
PCPJack Cloud SMTP Relay Campaign: Detection, Hunting, and Hardening
PCPJack Cloud SMTP Relay Campaign: Detection, Hunting, and Hardening Overview Threat actor PCPJack has hijacked hundreds of cloud servers ac...
CVE-2026-3300: Everest Forms Pro Exploitation — Detection and Hardening Guide
CVE-2026-3300: Everest Forms Pro Exploitation — Detection and Hardening Guide Active exploitation campaigns are currently targeting a critic...
Cyber Insurance Exclusions Rise: Defending Against Uncovered ClickFix Attacks
Cyber Insurance Rates Are Dropping, but Exclusions Widen Introduction The cybersecurity insurance market is shifting. According to recent in...
Claude Code GitHub Action Vulnerability: Repository Hijacking Analysis and Hardening
Introduction A critical security weakness in Anthropic's claude-code GitHub Action has exposed a dangerous attack vector within the modern s...
ICSA-26-155-01: NAVTOR NavBox Vulnerabilities — Maritime OT Defense & Detection
Introduction CISA has released ICSA-26-155-01, detailing critical security vulnerabilities affecting the NAVTOR NavBox. As a premier navigat...
Optimizing MDR Vendor Selection: Applying the Swiss Cheese Model for Better Defense
Introduction In the crowded managed detection and response (MDR) marketplace, distinguishing between vendor capabilities is increasingly dif...
DoJ 'Disruption Week' Takedown: Defending Against Transnational Crypto Fraud Networks
Introduction On May 18, 2026, the U.S. Department of Justice (DoJ) launched a sweeping coordinated action known as "Disruption Week," target...
Defending Against TDS-Driven SEO Poisoning: Detecting Fake Open-Source Installers
Introduction In June 2026, Security Arsenal is tracking a sophisticated surge in "SEO Poisoning" campaigns targeting technical users. Cyberc...
AI-Driven EDR Evasion Testing: Automated Scripting Against Major Endpoint Defenders
AI-Driven EDR Evasion Testing: Automated Scripting Against Major Endpoint Defenders Introduction In a concerning development reported by Dar...