Blog

The architectural principles behind cryptographic trust — applied to email, APIs, and AI workflows.

InfrastructureJune 1, 202614 min read

Base64 Is Not Encryption. Vault Is Not Custody. What Kubernetes Secrets Actually Need.

The K8s secrets debate is well-documented. Common delivery patterns — Vault, ESO, Sealed Secrets, CSI, SOPS — leave a runtime exposure gap: plaintext as a standing cluster-level artifact in Secret resources, environment variables, or mounted files. The architectural question is not which secrets manager to pick. It is where the key lives and how plaintext is recovered for the operation that actually needs it.

Ievgen Bobliev · Founder of ASTISRead post
API PlatformMay 18, 202615 min read

API Trust Layer for Sensitive Data: Controlling Plaintext Across Product Flows

Sensitive data does not only enter through APIs. Modern products also create it: reports, risk scores, legal summaries, AI outputs, support notes and compliance records. The real security question is not whether the data is encrypted somewhere — it is where plaintext exists, who can reveal it, and whether that reveal is explicit, controlled and audited.

Ievgen Bobliev · Founder of ASTISRead post

Posts are also reachable at astis.io/blog/1, /blog/2, etc.