Cross-Device Identity Verification via Entra Verified ID in a Multi-Agent System

TL;DR A multi-agent system (.NET 9 + Anthropic Claude) that embeds Entra Verified ID directly into the conversation. A QR code appears in chat, the user scans it with their wallet (Microsoft Authenticator), and the agent receives cryptographic proof of identity before it acts. Five layers of security enforcement — from probabilistic prompts to deterministic hooks — ensure identity verification cannot be skipped. The Problem: AI Agents Acting Without Proof AI agents are increasingly asked to perform sensitive operations — unlocking accounts, resetting credentials, approving transactions. But how does an agent know who it’s talking to? A username typed into chat is not identity. A “yes, that’s me” confirmation is not proof. ...

April 7, 2026 · Mateusz Jendza

Verified ID Integration for IoT

Securing Smart Access: Integrating Microsoft Entra Verified ID with Azure IoT Hub and Home Assistant Building a Zero-Trust Door Access System with Verifiable Credentials In this post, we’ll explore how to create a secure, decentralized access control system that combines Microsoft Entra Verified ID with Azure IoT Hub to unlock smart doors via Home Assistant. This solution demonstrates how verifiable credentials can bridge identity verification with physical access control in a zero-trust architecture. ...

January 20, 2026 · Mateusz Jendza

Phone Call Authentication via Verifiable Credentials

Tl;dr Security and privacy are paramount in today’s digital age, especially regarding personal information and interactions. One innovative approach to bolstering security in digital communications, such as phone calls, is using verifiable credentials for authentication. Details Here’s a simplified explanation of how phone call authentication via verifiable credentials works. Imagine you receive a phone call from a service provider, say your customer. Instead of going through the traditional and often tedious method of answering security questions (which could be guessed or obtained by someone else), the authentication process involves a digital handshake using verifiable credentials. ...

July 8, 2024 · Mateusz Jendza

Entra Verified ID deep dive

History 2024-06-17: Added Wallet SDK Link & Sample Android Implementation. 2024-06-30: Small changes. 2025-07-23: fixed verified employee demo link and removed face check demo. 2025-07-27: Improved B2C and wallet example, improved structure. Entra Verified ID: Complete Guide with Hands-On Workshop Introduction In our digital world, identity verification remains fragmented across countless systems, creating security risks, privacy concerns, and user friction. Microsoft Entra Verified ID solves these challenges using W3C-standard Verifiable Credentials, enabling secure, decentralized, and user-controlled digital identity. ...

March 12, 2024 · Mateusz Jendza
×