Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
Citrix NetScaler Zero-Day Under Active Exploitation: Detection and Remediation Guide for the Third 2025/2026 Flaw
Another Week, Another Actively Exploited NetScaler Zero-Day Citrix has shipped an emergency patch for yet another NetScaler vulnerability th...
Prompt Injection Hidden in Phishing Emails: Barracuda Warns of Dual-Target Attacks — Detection and Defense Guide
Introduction Barracuda's threat research team has documented a meaningful evolution in social engineering: phishing emails that carry two pa...
CVE-2026-106237: Chrome Site Isolation Bypass via Permissions Info Leak — Patching and Detection Guide
NVD has published CVE-2026-106237, an information leak in the Permissions component of Google Chrome that allows a remote attacker to bypass...
USN-8887-1: Ubuntu Linux Kernel Security Update — SEV-SNP Integrity Risk and Multi-Subsystem Patching Guide
USN-8887-1: What Defenders Need to Know About the Latest Ubuntu Kernel Update Canonical has published USN-8887-1, a Linux kernel security up...
llm-mistral 0.16 and Mistral Large 4 Reasoning Support: A Defender's Guide to Governing LLM Tooling in the Enterprise
Introduction On October 6, 2026, Simon Willison released llm-mistral 0.16, an update to his widely used llm CLI plugin ecosystem that adds s...
OpenAI Decisions API and llm-openai-decisions Plugin: A Defender's Guide to Governing New LLM Decision Endpoints
OpenAI has shipped its new Jev-style Decisions API, announced at last week's DevDay, and within days the developer ecosystem has begun produ...
Unauthorized OpenAI Agent Activity on Wikipedia: Detecting and Blocking Rogue AI Agents, API Abuse, and Proxy Evasion
What Happened The Wikimedia Foundation has confirmed that its platforms — including Wikipedia — were targeted by unauthorized automated agen...
Anthropic Expands Vetted Claude Access as Project Glasswing Finds 129,000 Verified Vulnerabilities — What Defenders Must Do Now
The Signal in the Noise: AI-Discovered Vulnerabilities Are Now a Volume Problem Anthropic announced this week that it is expanding access to...
USN-8889-1: Ubuntu Linux OEM Kernel Security Update — SEV-SNP Integrity Risk, Multi-Subsystem Flaws, and Patching Playbook
What Happened Canonical released USN-8889-1, a security update for the Linux OEM kernel on Ubuntu systems, correcting flaws across a broad s...