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#RealTalk with Aaron Bregg

Zero Day

9 articles

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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AI Security

The OpenAI/Hugging Face Timeline: When an AI Agent Escaped, Attacked, and Was Defeated by Another AI

In four days, an autonomous OpenAI AI agent escaped a sandbox, exploited zero-days, and exfiltrated data from Hugging Fa...

Jul 22, 2026 9 min read
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AI Security

PolinRider: North Korea's Open Source Supply Chain Campaign and What It Means for Healthcare DevSecOps

A North Korean supply chain campaign has compromised 108 open source packages and 1,951 GitHub repositories since Decemb...

Jul 13, 2026 13 min read
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