About

The tools and research documented on this site are maintained by Todd E. Johnson.

Federal PKI & Identity: Architect of the Validation Service (VSS) and various Federal ICAM/FPKI implementations.
Federation & Identity Protocols: Extensive knowledge of Federation protocols including OIDC, OAuth, and SAML.
Specialized Security: Deep expertise in API Security, Device Security, and Non-Person Entity (NPE) Security.
Ecosystem Stewardship: Maintainer and contributor to open-source projects for login.gov, idmanagement.gov, and dotgov-data.
Systems Engineering: Experience in Linux kernel development and custom cryptographic infrastructure.