Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
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...
Oracle PeopleTools CVE-2026-35273 Exploitation — Critical Detection and Remediation Guide
Oracle PeopleTools CVE-2026-35273: Critical Exploitation Detection and Remediation Guide Introduction On April 7, 2026, the U.S. Cybersecuri...
CVE-2026-35273: Oracle PeopleTools KEV Addition — Active Exploitation and Hardening Guide
CISA KEV Alert: Oracle PeopleSoft Missing Authentication Vulnerability (CVE-2026-35273) Introduction On June 12, 2026, the Cybersecurity and...
CISA KEV Alert: Actively Exploited Vulnerabilities in Arista EOS, Chromium V8, and Cisco SD-WAN Manager
On June 9, 2026, CISA added three vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, signaling confirmed active exploitat...
CISA KEV Alert: Active Exploitation of LiteLLM and Check Point Gateways (CVE-2026-42271 & CVE-2026-50751)
On June 8, 2026, CISA added two critical vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, signaling confirmed active ex...
THEGENTLEMEN Ransomware: 15 New Victims Posted — Global Healthcare & Tech Surge + KEV Exploitation
Intelligence Summary Date: 2026-06-08 Actor: THEGENTLEMEN Activity: Publication of 15 new victims on dark web leak site. Security Arsenal an...
QILIN Ransomware: 15 New Victims Identified — Cross-Sector Surge & Critical CVE Exploitation
Threat Actor Profile — QILIN Aliases: Agenda, Qilin.Bloody Operational Model: Ransomware-as-a-Service (RaaS). Qilin operates an affiliate mo...