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...
RCI Hospitality Breach: Detecting and Containing Data Exfiltration
RCI Hospitality Breach: Detecting and Containing Data Exfiltration Introduction RCI Hospitality Holdings, a major entity in the nightclub an...
CVE-2026-3300: Everest Forms Pro Critical Vulnerability — Detection and Remediation Guide
CVE-2026-3300: Everest Forms Pro Critical Vulnerability — Detection and Remediation Guide Introduction Security teams are on high alert as a...
Miasma Worm Supply Chain Attack: Analysis & Defending Microsoft GitHub Repositories
Miasma Worm Supply Chain Attack: Analysis & Defending Microsoft GitHub Repositories Introduction Security Arsenal is actively tracking a cri...
Dirty Frag (USN-8390-1): Linux Kernel Privilege Escalation and Container Escape Analysis
Introduction A new critical vulnerability has emerged in the Linux kernel, tracked under Ubuntu Security Notice USN-8390-1 and colloquially ...
OpenAI ChatGPT Lockdown Mode: Defensive Controls for Prompt Injection and Data Transfer
Introduction OpenAI has begun rolling out a new "Lockdown Mode" for ChatGPT, a significant shift in the platform's security posture designed...
CastleLoader RAT, TDS Malware Distribution, and Operation GriefLure: OTX Pulse Analysis — Enterprise Detection Pack
Intelligence Brief: CastleLoader, TDS Malware Ecosystem, and Operation GriefLure Threat Summary Recent OTX pulses indicate a convergence of ...
Argamal RAT, RemusStealer & ClickFix: Multi-Platform Credential Theft Campaigns
Threat Summary Recent OTX pulses indicate a surge in credential theft campaigns utilizing diverse delivery vectors, including "living-off-th...
QILIN Ransomware: Multi-Sector Surge Targeting Healthcare & Energy — IOCs & Detection Rules
QILIN Ransomware: Multi-Sector Surge Targeting Healthcare & Energy — IOCs & Detection Rules Release Date: 2026-06-06 Threat Level: HIGH Anal...