Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
CVE-2026-20230 & CVE-2026-12569: CISA KEV Alert on Cisco CUCM and PTC Windchill Active Exploitation
CISA has added two critical vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, confirming active exploitation in the wild...
CISA KEV Alert: Ubiquiti UniFi OS and Lantronix Devices Under Active Attack — Detection and Hardening
Introduction The Cybersecurity and Infrastructure Security Agency (CISA) has added critical vulnerabilities affecting Ubiquiti UniFi OS and ...
CISA KEV Flash: 5 CVEs Added — Lantronix & Ubiquiti Under Active Attack
Active Exploitation Intelligence CISA has confirmed active exploitation in the wild for five vulnerabilities affecting Lantronix, Ubiquiti, ...
NOVA Ransomware: Global Surge in Transportation & Tech Sectors — Critical KEV Exploitation Detected
Threat Actor Profile — NOVA Aliases & Operations: NOVA operates as a Ransomware-as-a-Service (RaaS) entity with a closed-knit core developme...
CISA KEV Alert: Actively Exploited Flaws in Lantronix EDS5000 and Ubiquiti UniFi OS
On June 23, 2026, CISA added four new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, signaling a shift from theoretic...
CVE-2026-20253: Active Splunk Enterprise Exploitation — Emergency Patching & Detection Guide
CVE-2026-20253: Active Splunk Enterprise Exploitation — Emergency Patching & Detection Guide Introduction The window between disclosure and ...
THEGENTLEMEN Ransomware: Global Surge in Manufacturing & Energy Sector Attacks
Threat Actor Profile — THEGENTLEMEN Aliases: The Gentlemen Club Model: RaaS (Ransomware-as-a-Service). THEGENTLEMEN operates as a highly org...
CVE-2026-20262 & CVE-2026-54420: CISA KEV Update — Detect and Remediate Active Exploitation
Introduction On June 15, 2026, CISA added two critical vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog: CVE-2026-20262 ...
THEGENTLEMEN Ransomware: 15 New Victims in Global Manufacturing & Energy Assault — Detection Playbook
Executive Summary Security Arsenal is tracking a significant surge in activity by the THEGENTLEMEN ransomware gang. On 2026-06-15, the group...