Root Causes: A PKI and Security Podcast

728 épisodes

Root Causes 644: Cryptographically Bound Tokens
24/07/2026 | 5 min
In our ongoing series on digital identity for agents, we have previous discussed use of certificates for authentication. In this episode we describe how cryptographic proof of possession can enable secure authentication using tokens.
Root Causes 643: Certificates for Stronger Agent Authentication
22/07/2026 | 10 min
We survey different strategies for securely authenticating agentic AI, including certificates and SPIFFE. We discuss Zero Trust and the Principle of Least Privileges as applied to agents.
Root Causes 642: Anthropic to Support SPIFFE/SPIRE
20/07/2026 | 3 min
Anthropic has announced its intentions to support SPIFFE/SPIRE with the SPIRE server rooted in an "upstream authority," which will require a root private CA rather than allowing self-attestation for agentic AI.
Root Causes 641: What Is SPIRE?
17/07/2026 | 5 min
In our episode 640 we defined SPIFFE, which provides digital identity for agentic workloads. In this episode we explain SPIRE (SPIFFE Runtime Environment), the SPIFFE certificate provisioning protocol.
Root Causes 640: What is SPIFFE?
15/07/2026 | 4 min
SPIFFE (Secure Production Identity Framework for Everyone) is a standard for digital identity for agentic workloads. In this episode we explain.

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À propos de Root Causes: A PKI and Security Podcast

Digital certificate industry veterans Tim Callan and Jason Soroko explore the issues surrounding digital identity, PKI, and cryptographic connections in today's dynamic and evolving computing world. Best practices in digital certificates are continually under pressure from technology trends, new laws and regulations, cryptographic advances, and the evolution of our computing architectures to be more virtual, agile, ubiquitous, and cloud-based. Jason and Tim (and the occasional guest subject matter expert) will help you stay current on developments in this essential technology platform and to understand the whys and wherefores of popular Public Key Infrastructures.

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