AI Pen Testing Power- What is the deal with Mythos?
Sentinel Cost Estimator Tool is a go. - Sentinel Cost Estimator
Words of Wisdom:
“Don’t believe everything you think you believe”
“Actual great opportunities do NOT have “Great Opportunies” in the subject line”
General
· Secure agentic AI for your Frontier Transformation [agenticainews.net]
· Secure agentic AI end-to-end [microsoft.com]
· Microsoft Pre-Day: Your first look at what’s next in Security [techcommun...rosoft.com]
· Strengthening your Security Posture with Microsoft Security Store Innovations at RSAC 2026 [techcommun...rosoft.com]
· Crawl, Walk, Run: A Practitioner’s Guide to AI Maturity in the SOC [techcommun...rosoft.com]
· From Manual Vetting to Continuous Trust: Automating Publisher Screening with AI
AI Security
· Join the Agent 365 “Ask Microsoft Anything” session on March 18 [techcommun...rosoft.com]
· Get to know these Agent 365 community all-stars [techcommun...rosoft.com]
· ICYMI: Microsoft Agent 365 AMA [techcommun...rosoft.com]
· Governing AI Agent Behavior: Aligning User, Developer, Role, and Organizational Intent
Azure Security & Defender for Cloud News
· Microsoft Defender for Cloud Customer Newsletter (March edition) [techcommun...rosoft.com]
· Malware scan results now in blob tags (ADLS Gen2 HNS | Public Preview) [techcommun...rosoft.com]
· Defending Container Runtime from Malware with Microsoft Defender for Containers [techcommun...rosoft.com]
· Defending the AI Era: New Microsoft Capabilities to Protect AI [techcommun...rosoft.com]
· New innovations in Microsoft Defender to strengthen multi-cloud, containers, and AI model security [techcommun...rosoft.com]
· Secure AI Workloads in Azure: Join Our Next Azure Decoded Session on April 8th [techcommun...rosoft.com]
· Detect, correlate, contain: New Azure Firewall IDPS detections in Microsoft Sentinel and XDR [techcommun...rosoft.com]
· Azure Bastion: Enterprise-grade secure access made simple
Threat Intelligence
When Trust Becomes the Attack Vector: Analysis of the EmEditor Supply-Chain Compromise [techcommun...rosoft.com]
Microsoft Entra
· Secure access in the age of AI: Key findings from our 2026 Report [techcommun...rosoft.com]
· Microsoft Entra innovations announced at RSAC 2026 [techcommun...rosoft.com]
· Microsoft Entra Tenant Governance: Secure and Manage Multi-Tenant Environments at Scale [techcommun...rosoft.com]
· Evolving Identity Security: How the Conditional Access Optimization Agent Helps You Adapt [techcommun...rosoft.com]
Device Management & Protection (Intune)
· Announcing three new partners for multi-tenant management with Microsoft Intune [techcommun...rosoft.com]
· Secure apps: Where people, data, and AI intersect
Defender XDR & Sentinel
· Monthly news – March 2026 (Microsoft Defender) [techcommun...rosoft.com]
· RSA 2026: What’s new in Microsoft Defender? [techcommun...rosoft.com]
· Security Copilot in Defender: empowering the SOC with assistive and autonomous AI [techcommun...rosoft.com]
· From Impersonation Calls to Transparent Reporting: Defending the New Front Door of Attacks [techcommun...rosoft.com]
· What’s New in Microsoft Sentinel: March 2026 [techcommun...rosoft.com]
· What’s new in Microsoft Sentinel: RSAC 2026 [techcommun...rosoft.com]
· How Granular Delegated Admin Privileges (GDAP) allows Sentinel customers to delegate access
Copilot for Security
· Introducing Secret Finder: Finding Real Credentials Where Traditional Tools Fail [techcommun...rosoft.com]
· From alert overload to decisive action: How Security Copilot agents are transforming security and IT
Purview - Compliance & Governance
· AI‑Powered Troubleshooting for Microsoft Purview Data Lifecycle Management [techcommun...rosoft.com]
· Priority Cleanup V2: Faster, Simpler Data Purging for Exchange Online [techcommun...rosoft.com]
· Microsoft Purview securing data and enabling apps and agents across your AI stack [techcommun...rosoft.com]
· Secure data as AI scales: New Microsoft Purview innovations at RSA 2026 [techcommun...rosoft.com]
· New Microsoft Purview innovations for Fabric to safely accelerate your AI transformation
✨ Featured Items This Week
New Roadmap Items:
Microsoft Teams: New chat sections for muted and meeting chats
ID: MC1269864 | Service: Microsoft Teams | Tags: New feature, User impact, Admin impact
Microsoft Teams will introduce two new chat sections—Muted chats (enabled by default) and Meeting chats (disabled by default)—to organize chats. These...Microsoft 365 Copilot (Premium): Choose your AI model when editing presentations in PowerPoint
ID: MC1267867 | Service: Microsoft 365 apps, Microsoft Copilot (Microsoft 365) | Tags: New feature, User impact, Admin impact
Microsoft 365 Copilot (Premium) in PowerPoint will let users choose AI models, including OpenAI and Anthropic’s Claude, when editing presentations. Th...Microsoft Secure Score: New recommendation for Microsoft Defender for Endpoint
ID: MC1266905 | Service: Microsoft Defender XDR | Tags: New feature, User impact, Admin impact
Microsoft Secure Score will add a new recommendation to block outbound traffic from mshta.exe in Microsoft Defender for Endpoint, starting public prev...Copilot Cowork now available in Frontier
ID: MC1265767 | Service: Microsoft Copilot (Microsoft 365), Microsoft 365 Copilot Chat | Tags: New feature, User impact
Copilot Cowork is now available in Frontier for Microsoft 365 Copilot Premium users, enabling multi-step task orchestration across apps with user appr...Auto Critique and Model Council features in Researcher (Frontier program)
ID: MC1265765 | Service: Microsoft Copilot (Microsoft 365), Microsoft 365 Copilot Chat | Tags: New feature, User impact, Admin impact
Researcher’s new Auto Critique improves draft quality by reviewing structure, sources, and citations. Model Council compares reports from multiple AI ...
Updated Roadmap Items:
Microsoft Teams: Sharing recap access
ID: 559606 | Product: Microsoft Teams, Microsoft Copilot (Microsoft 365) | Status: In development
Recording and transcript owners can now grant recording and transcript access to specified people when copying or sharing recap link, and the specifie...Microsoft Purview: Purview in Microsoft Admin Center
ID: 559617 | Product: Microsoft Purview | Status: In development
AI and IT admins in Microsoft Admin Center can 1) gain visibility around oversharing risks and drive remediations 2) Understand how much of sensitive ...Microsoft Teams: Annotations on Teams Single Window Sharing on macOS
ID: 559611 | Product: Microsoft Teams | Status: In development
Presenters can now share a single application window and enable participants to annotate directly on top of that content, without exposing their entir...Microsoft Purview: Data Loss Prevention – Inline DLP for Prompts for Microsoft Foundry apps and agents
ID: 558565 | Product: Microsoft Purview | Status: In development
With Purview enabled in Microsoft Foundry, Purview admins can setup inline DLP policies to prompts on Foundry built apps and agents to ensure data los...Microsoft Viva: Viva Glint and Viva Insights Integration - Exclusion List for data sharing
ID: 559266 | Product: Microsoft Viva | Status: In development
Viva Glint admins will be able to manage an exclusion list in Viva Feature Access Management that prevents selected people and groups from being inclu...
New Message Center Items:
Microsoft Teams: Meeting Notes now available for instant meetings
ID: 541831 | Product: Microsoft Teams | Status: Rolling out
Teams meeting Notes, powered by Loop, are now available for instant meetings that started via ‘Meet now’ from the calendar. Notes are Loop components ...Microsoft 365 app: Overview Page in Copilot Notebooks
ID: 512430 | Product: Microsoft 365, Microsoft 365 app, Microsoft Copilot (Microsoft 365) | Status: Launched
Users will find Copilot-powered Notebook summaries and insights as a landing page within their Copilot Notebook.Microsoft Copilot (Microsoft 365): Now smarter with visuals: Declarative Agents leverage embedded images for richer, more accurate answers
ID: 531758 | Product: Microsoft Copilot (Microsoft 365) | Status: Launched
Declarative Agents have been enhanced to interpret and ground responses using images embedded in files such as Word documents (.docx), PowerPoint pres...Outlook: Prepare for your meeting with Copilot chat in Outlook mobile
ID: 516568 | Product: Outlook | Status: Launched
Outlook mobile users can now prepare for their meetings using Copilot chat in a single tap. This feature requires a Microsoft 365 Copilot license.Microsoft Copilot (Microsoft 365): Files found via Chat search can be now analyzed by code interpreter
ID: 519570 | Product: Microsoft Copilot (Microsoft 365) | Status: Launched
Code interpreter runs on files you upload in your agent or that the user explicitly attaches in the interaction. Files that Copilot Chat finds via ent...
Updated Message Center Items:
(Updated) Microsoft 365 Copilot: Session persistence enhancement for Copilot chat
ID: MC1174856 | Service: Microsoft Copilot (Microsoft 365), Microsoft 365 Copilot Chat | Tags: Updated message, New feature, User impact, Admin impact
Microsoft 365 Copilot chat will preserve conversations by creating session entries in the navigation pane upon prompt submission, allowing users to re...
(Updated) Microsoft Viva Engage | Email sender domain migration from @yammer.com to @engage.mail.microsoft
ID: MC1251200 | Service: Microsoft Viva | Tags: Updated message, Feature update, User impact, Admin impact
Microsoft Viva Engage email sender domains have migrated from @yammer.com to @engage.mail.microsoft (and @eu.engage.mail.microsoft for Europe) as of M...
(Updated) Microsoft 365 Copilot: Manage and deploy user-level connectors in Microsoft 365 admin center
ID: MC1188234 | Service: Microsoft Copilot (Microsoft 365) | Tags: Updated message, New feature, User impact, Admin impact
Microsoft 365 Copilot introduces federated connectors enabling real-time access to external apps like Notion and Canva within Copilot. Admins control ...
(Updated) Microsoft Defender for Office 365 quarantine content read permission update
ID: MC1234569 | Service: Microsoft Defender XDR | Tags: Updated message, Feature update, Admin impact
Microsoft Defender for Office 365 will introduce a new permission for granular access to quarantined email content via Defender XDR Unified RBAC. Roll...
Microsoft Teams | VDI for Azure Virtual Desktops/Windows 365 and Citrix: macOS support with new SlimCore optimization
ID: MC1151241 | Service: Microsoft Teams | Tags: Updated message, New feature, User impact
Microsoft Teams now supports SlimCore media engine optimization for macOS users on Azure Virtual Desktop, Windows 365, and Citrix, replacing WebRTC. T...
