Ampyx Cyber Blog

The Intersection of Regulation & Resilience

Volt Typhoon and the Quiet Pre-Positioning of the U.S. Power Grid [Updated]
Deep Dive Patrick Miller Deep Dive Patrick Miller

Volt Typhoon and the Quiet Pre-Positioning of the U.S. Power Grid [Updated]

Volt Typhoon represents a quiet but strategic cyber threat to U.S. electric utilities, characterized by long-term access and persistence rather than immediate disruption. Rather than deploying malware, the actor relies on legitimate administrative tools to maintain durable access inside critical infrastructure networks. This blog examines what makes Volt Typhoon different and why early detection depends on behavioral context, not signatures.

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New NSA UEFI Guidance: Trust Starts Before the OS
Deep Dive Patrick Miller Deep Dive Patrick Miller

New NSA UEFI Guidance: Trust Starts Before the OS

UEFI Secure Boot is widely assumed to be enabled and enforcing, yet recent vulnerabilities show how easily trust at boot time can silently fail. NSA’s new guidance breaks down how Secure Boot actually works, where configurations commonly go wrong, and how organizations can validate and recover trust in the earliest stages of system startup.

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