Cloud Security
Lessons from the field. Always landing on my feet.
New Pods, Same Finding: Testing Defender’s Kubernetes Controller Scope
On October 5, 2026, Microsoft announced a welcome change to how Microsoft Defender for Cloud reports Kubernetes misconfigurations. Affected Kubernetes Security Posture Management (KSPM) recommendations are moving from individual running container …
Microsoft Security Fall 2026: Five Changes to Prepare For
Review update (September 25, 2026): The integration identity used for incident comments can require tenant-wide incident-write permission, not a comment-only grant. Keep a dedicated identity, narrowly selected integrations and documented credential …
From Authorization to Action: Operationalizing CISA's Microsoft Cloud Logs Playbook in Sentinel
Review update (September 25, 2026): The January 15, 2025 publication date is supported by CISA’s original release notice; the resource landing page now emphasizes the later revision date. Review update (September 25, 2026): For cost planning, …
Copy Fail in the Cloud: A Defender, Sentinel, and AKS Response Guide for CVE-2026-31431
Review update (September 25, 2026): The retained Sentinel/AKS evidence was captured May 2, 2026, without executing Copy Fail exploit code. The May 3 CVE/KEV snapshot remains historical; its May 15 due date has passed. Recheck the live NVD record and …
Agent 365 Launch Playbook: I Tested the Defender Response for AI Agent Attacks
Review update (September 26, 2026): The source reviewed September 26 requires explicit GA model/version selection and Python 3.12 hash-locked dependencies. Current rules use stable alert IDs and ingestion freshness, without a fixed artificial …
Scan Blob Uploads, Trace Later Reads: Defender for Storage + Sentinel
Review update (September 25, 2026): The merged source disables Shared Key, uses the stable 2025-06-01 account settings API, scopes every StorageBlobLogs workbook panel to the lab account, and shows four correctly defined KPI tiles. It passed 35 …
Investigate Hidden Privilege Paths with Microsoft Sentinel Data Federation and Custom Graphs
Review update (September 25, 2026): Modeling, persistence and query permissions differ. Review the current graph requirements before granting tenant-wide Security Operator or Administrator solely to persist a graph. An on-demand graph job and a …
Building Custom Sentinel Connectors with CCF Push
Review update (September 25, 2026): The repaired sender treats a genuine empty upstream list as a successful zero-record poll without authentication or ingestion; a nonempty all-invalid list still fails. Rule enablement is a second phase after …
AKS Runtime Security: Binary Drift, Anti-Malware & Gated Deployment with Defender for Cloud
Review update (September 25, 2026): The merged September 25 source resolves and records an exact regional GA Kubernetes patch on first deployment and refuses implicit version changes on owned reruns. Pricing restoration is bound to the captured …
The February 2026 Microsoft Sentinel Drop: UEBA Essentials, Copilot Connector, and 9 New GA Connectors
Review update (September 25, 2026): The diagram and measured results describe February evidence. For current use, Defender-portal onboarding replaces Fusion incident correlation with the Defender XDR engine. Connector descriptions refer to what is …