Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
Securing AI-Enabled CI/CD: Mitigating Prompt Injection in Claude Code GitHub Action
Securing AI-Enabled CI/CD: Mitigating Prompt Injection in Claude Code GitHub Action Introduction Microsoft Threat Intelligence recently disc...
Nightmare Eclipse: Hardening Microsoft Environments Against Bypass Vulnerabilities
Introduction The cybersecurity community was recently shaken by the "Nightmare Eclipse" incident, a scenario that underscores the fragility ...
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...
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...
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...
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...
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...
AI-Generated EDR Evasion: Detection and Defense Strategies Against Sophos-Identified Threats
Introduction The barrier to entry for sophisticated malware development has collapsed. Security Arsenal analysts are tracking a disturbing t...
Optimizing the Network Incident Response Lifecycle: From Alert to Resolution
Optimizing the Network Incident Response Lifecycle: From Alert to Resolution A recent webinar announcement titled "From alert to resolution ...