Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
CVE-2026-61500: Rejetto HFS Session-Key Recovery Under Active Exploitation — Detection and Remediation Guide
Introduction Rejetto HTTP File Server (HFS) — the lightweight, Node.js-based file-sharing server beloved by home labs, small businesses, and...
Debian DSA-6544-1: SABnzbd+ Web UI Code Execution and Authorization Bypass — Detection and Remediation Guide
Debian DSA-6544-1: SABnzbd+ Web UI Code Execution and Authorization Bypass — Detection and Remediation Guide The Debian Security Team has pu...
CVE-2026-61500: Rejetto HFS Weak Signing Key Under Active Scanning — Detection and Remediation Guide
Introduction Threat actors are actively scanning the internet for Rejetto HTTP File Server (HFS) instances vulnerable to CVE-2026-61500, a c...
OpenAI Invisible Watermarks for ChatGPT and Codex Text in the EU: What Security Teams Need to Know
Introduction OpenAI is preparing to deploy invisible watermarks in text generated by ChatGPT and Codex for users in the European Union. On i...
CVE-2026-61500: Rejetto HFS Authentication Bypass and Unauthenticated RCE Actively Exploited — Detection and Remediation Guide
A File-Sharing Utility Just Became an Attacker's Front Door Rejetto HTTP File Server (HFS) — a lightweight, wildly popular utility used to s...
Weekly Threat Recap: NetScaler and FortiMail Zero-Days Under Active Attack — Detection, Hardening, and Response Guide
Introduction This week's threat landscape is a case study in how attackers win on the margins: a blank input field, a forgotten public repos...
OpenAI Visual Ads in ChatGPT Image Generation: Enterprise Data Leakage and AI Governance Risks for Defenders
Introduction OpenAI has confirmed it is expanding advertising inside ChatGPT, with one of the first new formats displaying visual ads to use...
Apple Tightens macOS Full Disk Access for AI Agents: Defender Audit and Hardening Guide
Introduction Apple has signaled that it will tighten controls around macOS Full Disk Access, commonly called FDA, after observing developers...
CVE-2025-1218: Debian LTS Patches PHP 8.2 Denial of Service (DLA-4819-1) — Detection and Remediation Guide
Introduction Debian's Long Term Support team has published DLA-4819-1, a security update for the php8.2 package addressing multiple vulnerab...