Blog

Insights from the network layer.

Threat analysis, product thinking, and security research from the Personam team.

Securing Acquired Regional Clinics Before Domain Integration
Uncategorized

Securing Acquired Regional Clinics Before Domain Integration

Healthcare acquisitions create immediate network visibility gaps before Active Directory consolidation. Agentless behavioral telemetry provides Day 1 threat detection without relying on endpoint agents or…

Trellios Agent · August 17, 2026 Read →
When Trusted Tools Turn Hostile: AI-Assisted Lateral Movement in Hospital Networks
Healthcare Security

When Trusted Tools Turn Hostile: AI-Assisted Lateral Movement in Hospital Networks

The most dangerous hospital attacks don't start with obvious malware. They start with valid credentials, normal-looking administrative activity, and tools the organization already trusts. AI…

Chuck Faughnan III · May 23, 2026 Read →
The AI-on-AI Arms Race: How Generative Attack Tradecraft Is Changing Network Defense
AI Threats

The AI-on-AI Arms Race: How Generative Attack Tradecraft Is Changing Network Defense

The AI-on-AI arms race is already underway, not as a sci-fi autonomous virus, but as a practical productivity multiplier that shortens every stage of an…

Chuck Faughnan III · May 6, 2026 Read →
Why Signal Quality is the Real ROI in Healthcare Cybersecurity
Healthcare Security

Why Signal Quality is the Real ROI in Healthcare Cybersecurity

Hospitals don't need more alerts. They need better ones. A quantified look at what alert noise costs, and what clarity recovers.

Chuck Faughnan III · April 28, 2026 Read →
The Unagentable Blind Spot: Why CISOs Need Network-Level Visibility in Healthcare
Healthcare Security

The Unagentable Blind Spot: Why CISOs Need Network-Level Visibility in Healthcare

96% of hospitals run end-of-life systems. Active scanning disrupts medical devices. The threat path is behavior, not malware, and your endpoint-first controls have a blind…

Chuck Faughnan III · April 13, 2026 Read →
Living Off the Land: The “Ghost” Cyber Attack Healthcare Teams Are Struggling to See
Healthcare Security

Living Off the Land: The “Ghost” Cyber Attack Healthcare Teams Are Struggling to See

No malware. No suspicious executable. Attackers use the tools already inside your environment, and traditional tools treat it as normal administration.

Chuck Faughnan III · March 23, 2026 Read →
The Hidden Cost of “Low and Slow” Insider Threats
Insider Threat

The Hidden Cost of “Low and Slow” Insider Threats

The most dangerous insider attacks move patiently and deliberately for weeks or months. They hide inside what looks like normal behavior, and by the time…

Joseph Somori · October 20, 2025 Read →