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Use provisioned SCUs for routine workloads
Scale easily with overage SCUs
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Additional resources
Microsoft Security Copilot
Download our service level agreement
Documentation
Frequently asked questions
- An SCU is a unit measure of the compute power to run Security Copilot workloads within the standalone and embedded experiences.
- At Ignite 2025, Microsoft announced that Security Copilot agents will be directly built into the flow of work for security teams, available in Microsoft Defender, Entra, Intune and Purview.
To make the agents easily accessible and help security teams get started faster, Security Copilot will be available to all Microsoft 365 E5 customers.
Microsoft 365 E5 customers already using Security Copilot as of November 18, 2025, can access this benefit now. All other Microsoft 365 E5 customers will be activated through a phased roll-out in the upcoming months. Customers will receive advanced notice.
- Eligible Microsoft 365 E5 customers will have 400 Security Compute Units (SCUs) per month for every 1000 user licenses, up to 10,000 SCUs per month. This included capacity is expected to support typical scenarios.
- Example 1: An organization with 400 seats gets 160 SCUs/month.
- Example 2: An organization with 4,000 seats gets 1,600 SCUs/month.
- You can purchase your desired number of SCUs within the Security Copilot product or Azure portal, or you will be able to access Security Copilot as part of your Microsoft 365 E5 subscription in the upcoming months.
- Use provisioned SCUs for expected, regular workloads. Flexible overage SCUs are available for unexpected or seasonal workload surges and are only charged for how many overage SCUs you use (up to your optional chosen overage limit).
- Estimate your SCUs with the capacity calculator. A free Azure subscription is required to access the tool.
- Security Copilot operates on a provisioned capacity and an overage capacity. Provisioned capacity is billed by the hour while the overage capacity is billed on usage.
Provisioned capacity (minimum 1 provisioned SCU) is priced per hour and billed monthly.
Overage capacity is billed for on-demand usage. To manage costs, customers can specify a maximum number of overage SCUs allowed in an hour to support occasional capacity spikes.
Your monthly bill is calculated based on the number of SCUs provisioned every hour for the month and any additional overage capacity used.
- You have 4 provisioned SCUs with an overage limit of 6 SCUs.
You execute a prompt that consumes 3 SCUs and uses incident summarization in Microsoft Defender, which consumes 0.5 SCU. Your total consumption for the hour is 3.5 SCUs, so you’ll be charged 4 SCUs at $4 per provisioned SCU, totaling $16 for that hour.
You execute a promptbook that consumes an additional 3.2 SCUs during the same hour, for a total of 7.2 SCUs for that hour.
You’ll be charged for 4 SCUs (at $4 per provisioned SCU) plus 3.2 SCUs (at $6 per overage SCU), totaling $35.20 for that hour.
- Visit the Security Copilot adoption hub for use cases and product demos, and when you're ready, learn how to get started. Find answers to frequently asked questions.
- [1]Prices are calculated based on US dollars. Prices are estimates only and are not intended as actual price quotes. Actual pricing may vary depending on the type of agreement entered with Microsoft, date of purchase, and the currency exchange rate. Sign in to the Azure pricing calculator to see pricing based on your current program/offer with Microsoft. Contact an Azure sales specialist for more information on pricing or to request a price quote. See frequently asked questions about Azure pricing.
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