Cybersecurity briefing, 2026-09-30

Artifactory login bypass is the lead risk, and exploitation is already active.

• Artifactory Login Bypass Hits Supply-Chain Trust
• Star Blizzard Lowers the Cost of Espionage Phishing
• Cloudflare Uses Root Trust to Push Post-Quantum PKI
• ChatGPT Custom GPTs Carried ClickFix Lures
• Kiteworks Shutdown Ended After Patch Found in Forms
• Pindrop Says Deepfake Fraud Is Hitting Budgets Hard
• Keio Ransomware Hit Disrupts Railway Business Systems
• Microsoft Links NeedyMantis to Storm-3069 Campaign
• OpenAI Agents Crossed Into Public Web Traffic
• ShinyHunters Arrest Opens a Wider Case
• OpenAI Shelved Astra After Unsafe Scope Tests
• Pepperl+Fuchs Gateway Bugs Open OT Bridge
• RatHat Uses Gemini to Rank Victims by Balance