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Recent Posts

  • CISA's Vulnerability Review Is a Warning: AI Is About to Make Your Known Weaknesses Everyone's Problem Aug 28
  • OWASP's Agentic Skills Top 10: The Three Risks Healthcare Teams Need to Understand Now Aug 27
  • A Malicious Webpage Can Poison Your Local Ollama Model — What Healthcare Practitioners Need to Know Aug 26
  • MCP's Agent Identity Problem: What the Official Roadmap Tells Healthcare Security Teams Aug 25
  • Iran's IRGC Shuts Down a UK Power Generator: What Healthcare OT Security Teams Need to Know Now Aug 24

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#RealTalk with Aaron Bregg

Zero Day

11 articles

AI Security

CISA's Vulnerability Review Is a Warning: AI Is About to Make Your Known Weaknesses Everyone's Problem

CISA published its first Vulnerability Review explicitly as a pre-AI exploitation baseline. Injection flaws nearly tripl...

Aug 28, 2026 10 min read
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AI Security

A Malicious Webpage Can Poison Your Local Ollama Model — What Healthcare Practitioners Need to Know

Oasis Security disclosed a technique that poisons a locally running Ollama model's chat template via DNS rebinding — mak...

Aug 26, 2026 10 min read
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AI Security

OpenAI Opens the Door for Defenders: Daybreak Red, GPT-5.6-Cyber, and What the 95% Completion Rate Means for Healthcare Security

OpenAI restructured Daybreak into Blue and Red tiers and released GPT-5.6-Cyber — a model that completes 95% of advanced...

Aug 12, 2026 10 min read
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AI Security

Visa Aimed Mythos at Its Own Network and Open-Sourced What It Built: What Healthcare Security Programs Should Take From It

Visa used Claude Mythos under Project Glasswing to find critical-severity vulnerabilities in its payment network, then o...

Aug 10, 2026 13 min read
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AI Security

Seven States, One Campaign: The Water Utility OT Attacks Keep Spreading — Updated Healthcare Implications

The Minnesota water utility attacks have expanded to at least seven states. The FBI has confirmed activity against Rockw...

Aug 04, 2026 8 min read
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AI Security

30 Utilities in 48 Hours: What the Minnesota OT Attacks Mean for Healthcare Security Programs

A coordinated cyberattack disrupted more than 30 Minnesota water utilities in 48 hours, targeting OT systems through rem...

Aug 03, 2026 10 min read
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AI Security

Inside the Kill Chain: What Hugging Face's Forensic Timeline Reveals About AI-Driven Intrusions

Hugging Face published a forensic reconstruction of 17,600 attacker actions from the July 2026 AI agent intrusion. The t...

Jul 30, 2026 14 min read
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AI Security

Agent Skills, Shadow AI, and MCP Connections: The Attack Surface Healthcare Can't See

ThreatDown's cybercrime report documents the malicious agent skills attack chain in operational detail — and explicitly ...

Jul 27, 2026 11 min read
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AI Industry Watch

Six Months to Prepare: What ThreatDown's Cybercrime in the Age of AI Report Means for Security Teams

ThreatDown's new report says the transition to an AI-powered cybercrime ecosystem has begun but isn't complete. Their es...

Jul 26, 2026 8 min read
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