SOC Defender Digest

Stalling on Copilot rollout due to data security? Purview delivers unified Data Security Posture Management across SharePoint, Teams, and...

Key tools for Sentinel SOC workflows:

• Kustainer UI: Open-source GUI for local Kusto Emulator—multi-source imports, graph viz, offline exports,...

New TTPs for SOC hunting in Microsoft Teams phishing:

• Spam flood emails, followed by cross-tenant Teams messages posing as IT to 'fix' spam.
  -...

• PhantomRPC flaw enables low-priv attackers with SeImpersonatePrivilege to impersonate high-priv processes via rogue RPC servers on unavailable...

Essential guide to Microsoft 365 feature deprecations and transformations in features/products – SOC teams, assess impacts on Defender suite telemetry, Sentinel ingestion, and tenant hardening now.

Unpatched CVE-2026-33825 (RedSun) turns Defender's cloud file rollback into an LPE vector, granting NT AUTHORITY\SYSTEM from standard user on...

Defender XDR Previews

• 🔥 NRT for Custom Rules: Custom detection rules in Microsoft Defender now support Near Real-Time (NRT) configuration on...

• Teams phishing delivers SNOW malware, AutoHotKey, rogue extensions
• Uses cloud services for data theft and lateral movement
• Real-world case for hunting these TTPs in Defender XDR or Sentinel Teams logs

• New Preview Feature: Custom detection rules in Microsoft Defender support Near Real-Time (NRT) configuration on Microsoft Sentinel data
• SOC...

Security teams extend Microsoft Sentinel with behavioral analytics, risk scoring, and guided investigations from New-Scale Analytics for better SOC operations.

• Endpoints now primary breach vector, including cloud-hosted virtual desktops amid hybrid work
• Misconfigurations and privilege sprawl in Azure-like...

SC-200 exams test distinguishing configuring a protection from enabling one—for example, enabling Safe Attachments in Defender for Office.

MDE Onboarding Guides

• Intune Onboarding Steps: Open the Microsoft Intune admin center, go to Endpoint security > Endpoint detection and...

• CTI-REALM evaluates AI agents on full workflows: parsing CTI reports, mapping MITRE techniques, refining KQL queries, generating validated Sigma...

Hands-on MDE onboarding approaches:

• Intune (Windows priority): Deploy endpoint security policy to onboard devices; monitor via Endpoint security >...

• KQL is a powerful, read-only language for handling massive datasets
• Designed for Azure Monitor, Sentinel, Microsoft Defender – vital for SOC/SIEM analytics
• Master it for production-ready threat hunting in Sentinel/Defender XDR

KQL Hands-On for SOC

• KQL Basics for SOC Analysts: Introduces KQL as a powerful domain-driven query language for SOC analysts.
• KQL Threat...

Critical alert for SOC teams: Microsoft Defender, the endpoint platform organizations rely on to detect and stop post-compromise behavior, is not defending against the most dangerous new CVEs. Time to reassess Endpoint protections.

Key benefits of integrating SOC and ISO frameworks:

• Test-once approach cuts audit fatigue
• Streamlines compliance processes
• Strengthens confidence globally
  Efficiency win for SOC governance.

Trend: Hands-on KQL resources building SOC analysts' skills from basics to advanced.

• Basics: KQL as powerful, domain-driven language for SOC...