[ blog ]

Writing on agent safety and evidence.

Practitioner comparisons and explainers. Honest about limits, including our own.

VIGIL is now VITNA

VITNA was previously known as VIGIL by COSTRINITY. The name changed, the product did not. The Ed25519 key is unchanged and old bundles still verify.

Observability, security guardrails, and compliance evidence: what each does, where each falls short, and how to choose.