Cyber Daily News for September 17th, 2026

Cyber Daily News for September 17th, 2026 Cyber Daily News is also available via podcast! https://feeds.transistor.fm/cyber-daily-news Stories mentioned in today's briefing: - AI Agent Carries Out Multi-Stage Data Theft Attack https://www.infosecurity-magazine.com/news/ai-agent-carries-out-multistage/ - AI Agents Can Retrain Own Models Mid-Task, Leaking Secrets and Erasing Refusals https://www.securityweek.com/ai-agents-can-retrain-own-models-mid-task-leaking-secrets-and-erasing-refusals/ - First Agentic AI Data Breach Reported to Spanish Regulator https://www.securityweek.com/first-agentic-ai-data-breach-reported-to-spanish-regulator/ - Pixel Modem Zero-Day Exploited in Targeted Attacks https://www.securityweek.com/pixel-modem-zero-day-exploited-in-targeted-attacks/ - US, UK, Dutch Agencies Expose Iranian ‘Chosen Brick’ Surveillance Malware https://www.securityweek.com/us-uk-dutch-agencies-expose-iranian-chosen-brick-surveillance-malware/