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Field notes from the security front line

Practical write-ups from real engagements — what worked, what broke, and the architecture decisions behind it.

Three-phase Microsoft Sentinel cost optimization diagram showing $45,000 to $8,000 per month reduction
Microsoft SentinelCost OptimizationSOC

How I Cut a Customer's Microsoft Sentinel Bill from $45,000 to $8,000 per Month

An 82% Microsoft Sentinel cost reduction in three phases — moving high-volume tables to the Data Lake tier, replacing raw ingestion with Summary Rules and KQL jobs, and right-sizing the commitment tier — without losing a single detection.

May 15, 20269 min read