Graph & Governance: OptiMind SLMs, new JSON Structure & Entra + Purview | EP28

Описание: Episode 28 is hosted by David Rowley and Cyrus Irandoust (Richard isn’t with us this episode).

This week we dig into:
• Microsoft Graph: a key update for Microsoft 365 admins—Graph-based Message Trace (what it unlocks and why it matters).
• OptiMind: a small language model built for optimization—teasing why “solver-ready” formulations are the real bottleneck (and how SLMs can help).
• JSON Structure: Clemens Vasters’ proposal for a more deterministic “schema-like” way to define JSON structures (and why it’s sparking debate).
• Entra + Purview: Cyrus connects the dots across identity, data security, and the network layer—where policy becomes more actionable and less dashboard-driven.

BLOG
https://themicrosoftcloudblog.com

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CHAPTERS
00:00 Introduction
01:03 Entra + Purview updates
14:29 Microsoft Graph announcement
17:54 OptiMind: SLMs with optimization
22:07 JSON Structure: a new proposal
26:08 Wrap-up

LINKS
Microsoft Graph / M365
• Graph-based message trace API onboarding guide (Microsoft Learn):
https://learn.microsoft.com/en-us/exc...
• Microsoft Graph “List messageTraces” (beta):
https://learn.microsoft.com/en-us/gra...
• exchangeMessageTrace resource type (beta):
https://learn.microsoft.com/en-us/gra...

OptiMind (Microsoft Research / Azure AI Foundry)
• Microsoft Research blog: OptiMind — a small language model with optimization expertise:
https://www.microsoft.com/en-us/resea...
• Azure AI Foundry blog (TechCommunity): OptiMind overview + availability:
https://techcommunity.microsoft.com/b...

JSON Structure / “New JSON Schema” discussion
• Clemens Vasters: A thought experiment — “New JSON Schema”:
https://vasters.com/clemens/2025/02/1...
• IETF draft: JSON Structure — Core:
https://www.ietf.org/archive/id/draft...
• GitHub: JSON Structure validation specification:
https://github.com/json-structure/val...

Entra + Purview
• Purview: Data Security Posture Agent (public preview) — Message Center archive:
https://mc.merill.net/message/MC1217155
• Purview: DLP + Information Protection diagnostics — Message Center archive:
https://mc.merill.net/message/MC1219791
• Purview eDiscovery: Content Search case changes (review sets & case-level sources removed) — Message Center archive:
https://mc.merill.net/message/MC1216266
• Purview eDiscovery: direct export packages expire after 14 days — Message Center archive:
https://mc.merill.net/message/MC1217141
• Purview eDiscovery (Premium): Advanced review set explorer (KQL) — Message Center archive:
https://mc.merill.net/message/MC1221453

• Entra PowerShell: v1.2.0 announcement (Agent Identity Blueprints support):
https://devblogs.microsoft.com/entrap...
• Entra: Conditional Access for agent identities (limitations & token-flow checkpoints):
https://techcommunity.microsoft.com/b...
• Authenticator: jailbreak/root detection changes (Support article):
https://support.microsoft.com/en-gb/a...

• Global Secure Access: create file policies for network content filtering (files + TLS inspection):
https://learn.microsoft.com/en-us/ent...
• Global Secure Access: TLS inspection (required for deep inspection scenarios):
https://learn.microsoft.com/en-us/ent...
• Global Secure Access: Prompt Shield (preview):
https://learn.microsoft.com/en-us/ent...