Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
ClickFix RAT, Malware TDS, & Operation GriefLure: OTX Pulse Analysis
Threat Summary Recent OTX pulses highlight a convergence of sophisticated social engineering and technical evasion techniques across three d...
Argamal RAT, RemusStealer & macOS ClickFix: Multi-Vector Credential Harvesting — OTX Pulse Analysis
Threat Summary Recent OTX Pulse data reveals a converging trend in credential theft operations utilizing highly diverse initial access vecto...
QILIN Ransomware: Surge in Healthcare & Energy Targeting — 15 New Victims Confirmed
THREAT INTELLIGENCE BRIEFING: QILIN RANSOMWARE Date: 2026-06-06 Analyst: Security Arsenal Intel Unit Source: Ransomware.live / Direct Leak S...
Nemesis Market Takedown: Implications for Dark Web Exposure Monitoring
Introduction The recent sentencing of a California man to over 26 years in federal prison for operating as a vendor on Nemesis Market—one of...
Polyfill.io Supply Chain Compromise: Detecting Malicious CDN Injection and Credential Phishing
Introduction Security teams at major global brands, including Toshiba and Muji, are currently issuing urgent warnings to customers regarding...
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...