INTELLIGENCE BRIEFS

Vulnerability Brief — April 17, 2026

Breach Brief — April 17, 2026

Advisory Brief — April 17, 2026

Ransomware Group Rhysida Breaches Cookeville Regional Medical Center, Exposing Data of 337,000 Patients

Q1 2026 Vulnerability Pulse Shows 20% of KEVs in Networking Gear and Record AI‑Related CVEs

McGraw‑Hill Data Exposure: 45 Million Salesforce Records Leaked via Cloud Misconfiguration

NTT Research Unveils Scale Academy, Launches SaltGrain Zero‑Trust Data Security Platform

Critical Vulnerabilities in Cisco Identity Services Engine and Webex Enable Code Execution and User Impersonation

Lumma Stealer & Sectop RAT (ArechClient2) Malware Campaign Documented in New ISC Diary

SANS Internet Storm Center Releases Weekly Stormcast Podcast Highlighting Emerging Threat Trends (April 17 2026)

Lumma Stealer Deploys Sectop RAT (ArechClient2) in New Credential‑Theft Campaign

Business Impersonation Fuels Surge in Check Fraud and AI‑Powered Shopping Scams

Companies Upskill Workers for AI to Mitigate Job Displacement Risks

Google Launches Gemini Desktop App for Mac, Enabling On‑Screen Content Analysis

Google Chrome Introduces AI Mode Side‑by‑Side View to Reduce Tab Clutter

Operation PowerOFF Dismantles 53 DDoS‑For‑Hire Domains, Warns 75,000 Users

Zero‑Day LPE in Microsoft Defender “RedSun” Grants SYSTEM Privileges on Patched Windows 10/11 and Server

Threat Intel: Microsoft 365 Mailbox Rules Weaponized for Data Exfiltration and Persistence

AI‑Powered Tools Accelerate Vulnerability Discovery Across Software Supply Chains

Critical Weak Password Vulnerability (CVE‑2026‑6284) in Horner Automation Cscape & XL4/XL7 PLCs Threatens Manufacturing Control Systems