Microsoft Sentinel Cost Estimator is now live!
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Microsoft Sentinel Cost Estimator is now live!
If you’re working with Microsoft Sentinel, one of the biggest questions always comes up early:
👉 “How much is this actually going to cost me?”
The reality is simple but often misunderstood.
Microsoft Sentinel pricing is driven primarily by data ingestion.
Microsoft has made this easier with the official cost estimator:
👉https://www.microsoft.com/en-us/security/pricing/microsoft-sentinel/cost-estimator
Here’s why I think this tool is worth using early in your design phase:
It helps you model different ingestion scenarios before deployment
It forces conversations around what data actually matters
It highlights the trade-off between Pay-As-You-Go vs Commitment Tiers
It supports better cost governance from day one
A few practical reminders when using it:
✔ Not all logs are equal. Focus on high-value security data
✔ Consider Basic vs Analytics logs for cost optimisation
✔ Use commitment tiers when ingestion is predictable to reduce costs
✔ Remember that the first 10GB/day is free for 31 days (great for testing)
In my experience, the organisations that succeed with Sentinel are not the ones that ingest everything…
They’re the ones that are intentional.
💡 Cost optimisation in Sentinel is not about reducing visibility.
It’s about engineering visibility with purpose.
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