Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
Active Zero-Day Exploitation: FastJson Unauthenticated RCE Defense Guide
Introduction Security Arsenal is actively tracking a critical zero-day campaign targeting US firms via unpatched vulnerabilities in the Fast...
CVE-2026-50517: M365 Copilot RCE via Deserialization — Defense and Hardening Guide
Introduction Today, the NVD published CVE-2026-50517, assigning it a CVSS score of 9.9 (CRITICAL). This vulnerability affects Microsoft 365 ...
CVE-2026-58644: Microsoft SharePoint RCE — CISA KEV & Remediation Guide
CVE-2026-58644: Microsoft SharePoint RCE — CISA KEV & Remediation Guide The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has...
CVE-2026-45247: Mirasvit Full Page Cache Warmer Exploitation — Detection and Remediation
CVE-2026-45247: Mirasvit Full Page Cache Warmer Exploitation — Detection and Remediation Introduction On June 3, 2026, CISA added CVE-2026-4...
ICSA-26-083-02: Schneider Electric Foxboro DCS Deserialization Flaw — Detection and Hardening
ICSA-26-083-02: Schneider Electric Foxboro DCS Deserialization Flaw — Detection and Hardening Introduction Schneider Electric has released a...
How to Protect Against Critical Deserialization Vulnerabilities in Schneider Electric EcoStruxure Foxboro DCS
Introduction Operational Technology (OT) environments rely on the integrity and availability of Industrial Control Systems (ICS). A recently...
Defending Against Active Exploits: Urgent Guidance for Microsoft SharePoint CVE-2026-20963
Introduction The Cybersecurity and Infrastructure Security Agency (CISA) has added a critical security flaw, CVE-2026-20963, to its Known Ex...
CVE-2025-13913: Urgent Action Required for Ignition Software Users
Understanding the Deserialization Risk in Critical Infrastructure Organizations relying on Inductive Automation's Ignition Software for indu...