KeMeT Tech
Field notes

Writeups from the engineers shipping the code.

Production-grade patterns, post-mortems, and migration playbooks. Real numbers from real engagements, written so a senior engineer at your shop can apply them in a week.

azure ·13sentinel ·11siem ·9detection engineering ·8kql ·7azure sentinel ·5detection-engineering ·5security ·4microsoft sentinel ·4microsoft purview ·3
Aug 26, 2026

MiniMax M2.5: 80.2% SWE-bench Verified and How to Actually Test It

MiniMax M2.5 posts 80.2% on SWE-bench Verified, putting it in contention for agentic coding pipelines. Here is how to evaluate it against your real workloads before committing.

#ai-agents#open-weight-models#coding-llm#evaluation#minimax
6 min · Read →
Aug 26, 2026

MiniMax M2.1 for Coding and Complex Tasks: An Honest Field Evaluation

MiniMax M2.1 targets multi-language programming and real-world reasoning. Here is how to evaluate it honestly and where it fits in an agent stack.

#minimax#open-weight-models#coding-agents#model-evaluation
6 min · Read →
Aug 26, 2026

Microsoft Purview DLP: From Policy Noise to Detection That Holds

Most Purview DLP deployments generate alert volume without detection value. Here is how we scope, tune, and wire signals into Sentinel so they mean something.

#microsoft purview#dlp#sentinel#detection engineering#compliance
7 min · Read →
Aug 26, 2026

Defender for Cloud Pricing: What the Azure Portal Doesn't Tell You

Microsoft Defender for Cloud's modular pricing routinely surprises teams. Here is how the plans are structured, where bills balloon, and how to audit your exposure before it hits finance.

#azure#security#cloud-cost#defender#cspm
7 min · Read →
Aug 25, 2026

Microsoft Defender for Cloud: From Licensed to Operational

Most Azure tenants have Defender for Cloud enabled but not working. Here is how we close that gap and get real signal into Defender XDR and Sentinel.

#defender for cloud#azure#xdr#detection engineering#cloud security
6 min · Read →
Aug 24, 2026

Microsoft Purview Information Protection: What Actually Ships vs. What Demos

A field guide to deploying Purview sensitivity labels and auto-labeling at scale. Covers label taxonomy, DLP tuning, Sentinel correlation, and the gaps Microsoft won't put in a slide deck.

#microsoft purview#information protection#dlp#sensitivity labels
7 min · Read →
Aug 23, 2026

Defender for Cloud Apps: What Actually Works in Production

A field engineer's view of MDCA deployment, session policy pitfalls, and KQL detections that catch what the defaults miss. Real config, real numbers.

#defender for cloud apps#casb#detection engineering#microsoft sentinel#zero trust
6 min · Read →
Aug 21, 2026

Azure Log Analytics Workspace: What Nobody Warns You About

LAW is not just a data sink. How you design tables, DCRs, and retention tiers determines whether you get actionable signal or a five-figure monthly bill.

#azure#log analytics#sentinel#monitoring#kql
6 min · Read →
Aug 20, 2026

Azure Landing Zone Architecture: What We Actually Deploy

Most teams treat Azure landing zones as a checkbox. This field note covers the hierarchy, policy, and network decisions that determine whether your zone holds up under production load.

#azure#cloud-architecture#landing-zone#governance#bicep
6 min · Read →
Aug 19, 2026

Azure Log Analytics Workspace Pricing: What Actually Drives Your Bill

Log Analytics Workspace billing has three independent meters running at once. Knowing which one dominates your spend is the first step to controlling it.

#azure#sentinel#log-analytics#cost-optimization#monitoring
6 min · Read →
Aug 18, 2026

Azure Sentinel and GitHub: Detection-as-Code That Actually Ships

Wire GitHub audit logs into Microsoft Sentinel and manage your KQL analytics rules as versioned Bicep, deployed via GitHub Actions. No more portal drift.

#azure sentinel#github#detection engineering#kql#gitops
5 min · Read →
Aug 17, 2026

Microsoft Sentinel Certification: What SC-200 Tests vs. What You Need

SC-200 is the exam that actually validates Sentinel depth, but passing it and operating a production workspace are different skills. Here is what the gap looks like.

#sentinel#detection-engineering#azure#certification#siem
5 min · Read →
Aug 16, 2026

KQL Query Examples for Threat Detection in Microsoft Sentinel

Production-tested KQL patterns for Sentinel detection engineering: join cost, time-series baselining, lateral movement detection, and where AI-to-KQL tooling actually helps.

#kql#sentinel#detection-engineering#threat-hunting#azure
5 min · Read →
Aug 15, 2026

Azure Sentinel Training That Actually Produces Detection Engineers

Most Sentinel training stops at dashboards and query basics. Here is the path that turns analysts into engineers who write, tune, and own detections at scale.

#azure sentinel#microsoft sentinel#kql#detection engineering#siem
6 min · Read →
Aug 14, 2026

Microsoft Sentinel SIEM: What We've Learned Deploying It in Production

Microsoft Sentinel (formerly Azure Sentinel) is a capable cloud-native SIEM, but ingestion costs and workspace design decisions made early will determine whether it stays affordable. Here's what to get right upfront.

#azure#sentinel#siem#detection-engineering#security
6 min · Read →
Aug 13, 2026

What Is Microsoft Sentinel: A SIEM You Actually Operate in Production

Microsoft Sentinel is a cloud-native SIEM and SOAR built on Log Analytics. Here is what it costs, how it ingests data, and where it breaks in the real world.

#sentinel#siem#azure#detection-engineering#security
7 min · Read →
Aug 12, 2026

Microsoft Purview Compliance Portal: What Actually Works in Production

A field guide to deploying DLP, Communication Compliance, and audit log pipelines from the Purview portal. Covers licensing walls, classifier gaps, and Sentinel integration.

#microsoft purview#compliance#sentinel#dlp#detection engineering
6 min · Read →
Jun 22, 2026

Azure Log Analytics Workspace: Design Decisions That Matter at Scale

A Log Analytics Workspace is the foundation of every Azure monitoring and SIEM deployment. Get the workspace topology and cost controls wrong early and you pay for it for years.

#azure#log-analytics#sentinel#monitoring#kql
7 min · Read →
Jun 20, 2026

Microsoft Sentinel Training: What Actually Matters in the Field

Most Sentinel courses teach the portal tour. This field note covers what engineers need to operate Sentinel at production scale: KQL, rule testing, cost control, and detection gaps.

#sentinel#detection#kql#azure#siem
6 min · Read →
Jun 11, 2026

Microsoft Sentinel Pricing: What You Actually Pay and How to Cut It

Sentinel bills on two layers most teams never model together. Here is how commitment tiers, free connectors, and Basic Logs interact — with real numbers.

#sentinel#azure#siem#detection-engineering#cost-optimization
6 min · Read →
Jun 10, 2026

Terraform Azure Storage Accounts: Footguns and Production Config

The azurerm_storage_account resource ships with permissive defaults on every security-relevant attribute. Here is how we configure it correctly before production.

#terraform#azure#infrastructure#iac
5 min · Read →
Jun 8, 2026

Azure Sentinel Connectors: What Actually Works in Production

Getting data into Microsoft Sentinel is where most SIEM rollouts quietly fail. This field note covers connector types, AMA migration pitfalls, and DCR routing that holds up under real ingestion load.

#microsoft sentinel#azure sentinel#detection engineering#siem#cloud security
6 min · Read →
May 23, 2026

Microsoft Azure Sentinel in 2026: the portal cutover is five weeks out

The Azure portal for Microsoft Sentinel retires July 1, 2026. This field note covers what breaks if you wait, the query migration already past due, and the new detection capabilities shipping this year.

#azure sentinel#microsoft sentinel#siem#kql#detection engineering
6 min · Read →
May 22, 2026

Migrating Azure Sentinel off MMA: a field guide for production environments

MMA retires August 2024. Here's the AMA + DCR/DCE pattern we used to move fourteen custom connectors with zero ingestion gaps and half the operating cost.

#azure sentinel#siem#log analytics#ama#migration
4 min · Read →
May 21, 2026

Six AI-agent and RAG patterns we keep yanking out of production

Vector retrieval that returns garbage, prompt injection by way of a CSV upload, runaway token bills. Patterns to avoid, with the fix that actually shipped.

#ai agents#rag#llm#security
3 min · Read →