Microsoft Sentinel Pricing Calculator
Estimate your monthly SIEM and Log Analytics investment instantly.
Estimated Monthly Total
Based on a 31-day billing cycle.
$0.00
$0.00
$0.00
Cost Distribution Breakdown
Visual representation of ingestion vs. storage costs.
What is a Microsoft Sentinel Pricing Calculator?
A microsoft sentinel pricing calculator is an essential tool for cloud architects and security engineers designed to forecast the financial impact of deploying Microsoft’s cloud-native SIEM. Unlike traditional on-premises solutions that rely on hardware, Microsoft Sentinel pricing is primarily consumption-based, focusing on the volume of data ingested into Azure Monitor Log Analytics.
Who should use this? Organizations moving from legacy SIEMs to Azure, security teams managing multi-cloud environments, and IT directors budgeting for annual security spend. A common misconception is that Microsoft Sentinel is prohibitively expensive for high volumes; however, by utilizing a microsoft sentinel pricing calculator, users can discover how commitment tiers drastically reduce the price per gigabyte.
Microsoft Sentinel Pricing Calculator Formula and Mathematical Explanation
The mathematical foundation of the microsoft sentinel pricing calculator relies on two primary variables: Ingestion and Retention. The total cost is the sum of the Sentinel analysis price and the underlying Log Analytics storage price.
The Core Formula:
Total Cost = (Daily Ingestion × Rate per GB × Days) + (Retention Ingestion × Storage Rate × (Retention Months - Free Period))
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| Daily Ingestion | Amount of log data sent to Sentinel | GB | 5GB – 5,000GB+ |
| Ingestion Rate | Price determined by Commitment Tier | USD/GB | $2.00 – $4.50 |
| Retention Period | How long logs remain searchable | Months | 3 – 24 Months |
| Log Type | Analytics vs. Basic logging level | Category | N/A |
Practical Examples (Real-World Use Cases)
Example 1: Small Enterprise (Start-up)
A tech start-up ingests 10GB of logs per day using the Pay-As-You-Go model. They require 6 months of retention for compliance. Using our microsoft sentinel pricing calculator:
- Daily Ingestion: 10GB
- Ingestion Cost: ~$1,333/month (combined Sentinel + Log Analytics)
- Retention Cost: ~$9.30/month (for 3 months beyond the free 90 days)
- Total Monthly Investment: ~$1,342.30
Example 2: Large Corporate Environment
A financial firm ingests 500GB per day and opts for the 500GB Commitment Tier. They keep data for 12 months.
- Daily Ingestion: 500GB
- Tiered Rate: ~50% discount compared to PAYG
- Monthly Ingestion Cost: ~$32,000
- Total Monthly Investment: Significant savings found only by accurately using a microsoft sentinel pricing calculator to switch from PAYG to tiers.
How to Use This Microsoft Sentinel Pricing Calculator
Follow these steps to get the most accurate estimate for your security operations center:
| Step | Action | Goal |
|---|---|---|
| 1 | Enter Daily Ingestion | Quantify your log volume from all connectors. |
| 2 | Select Log Type | Distinguish between security-critical and purely diagnostic logs. |
| 3 | Choose Commitment Tier | Optimize for volume discounts based on your daily average. |
| 4 | Adjust Retention | Balance compliance requirements with log analytics pricing. |
Key Factors That Affect Microsoft Sentinel Pricing Calculator Results
Several financial and technical variables influence the final output of the microsoft sentinel pricing calculator:
- Data Volume Volatility: Spikes in logs (e.g., during a security incident) can increase costs if using Pay-As-You-Go.
- Commitment Tier Selection: Selecting a tier lower than your actual usage results in higher overage rates; selecting too high results in paying for unused capacity.
- Log Types: Basic logs significantly lower data ingestion costs for high-volume, low-security-value data like firewall “allowed” traffic.
- Regional Pricing: Azure prices vary by data center location (e.g., East US vs. Brazil South).
- Data Retention: Beyond the 90-day free window, monthly storage fees apply per GB.
- Benefit Grants: Microsoft 365 E5 customers often receive a data grant (5MB/user/day) which can be factored into a microsoft sentinel pricing calculator.
Frequently Asked Questions (FAQ)
Yes, our calculator estimates the combined cost of both Microsoft Sentinel analysis and the required Log Analytics workspace ingestion.
Microsoft Sentinel offers 90 days of data retention at no extra cost for logs ingested into the workspace.
You are billed for the tier’s fixed price, and any overage is typically charged at a slightly higher effective rate than the tier itself, but often lower than PAYG.
You can increase your tier at any time. Decreasing a tier usually requires a 31-day waiting period, which the microsoft sentinel pricing calculator helps you plan for.
Yes, you can toggle between Analytics and Basic logs to see the drastic difference in siem pricing.
This specific tool focuses on ingestion and retention. Outbound data transfer (egress) or archiving to Azure Storage would be additional costs.
Yes, Microsoft usually offers a 31-day free trial for new workspaces with a limit of 10GB/day.
Differences usually stem from regional price variations, exact data volume fluctuations, or additional azure monitor pricing components like Logic Apps (Automation).
Related Tools and Internal Resources
- Azure Sentinel Cost Management Guide – A deep dive into managing your cloud SIEM budget.
- Log Analytics Pricing Breakdown – Detailed analysis of the underlying storage engine.
- SIEM Pricing Comparison – How Sentinel stacks up against Splunk and QRadar.
- Data Ingestion Costs Strategy – Tips on filtering logs to save money.
- Commitment Tiers Explained – Choosing the right volume for your organization.
- Azure Monitor Pricing Overview – Understanding the full monitoring ecosystem.