What is Microsoft Defender External Attack Surface Management?
Microsoft Defender External Attack Surface Management discovers and monitors internet-facing organisational assets.
Who is Microsoft Defender External Attack Surface Management for?
Teams evaluating software that discovers and monitors internet-facing organisational assets. Evaluate external asset discovery and attack surface inventory against the intended deployment, access controls and operating responsibilities.
Microsoft Defender External Attack Surface Management features
The core capabilities to consider for your workflow.
- External asset discovery
- Attack surface inventory
- Exposure visibility
Microsoft Defender External Attack Surface Management pricing
Service and plan pricing
Review current Microsoft pricing for the selected product, users and deployment. Include applicable subscriptions, capacity, compute, storage, requests, network transfer and supporting services; the chargeable units depend on this product.
Calculate the cost of your quote →Free access & evaluation
Cloud credits, trials and free usage allowances have eligibility and service limits. Check current terms for the region and workload; do not assume ongoing production use is free.
Before you choose Microsoft Defender External Attack Surface Management
Which authorised applications, infrastructure, code or cloud resources need assessment?
Who approves testing, access, data handling, remediation and the licensed assessment scope?
Confirm service availability in the required region and the permissions, quotas and connected services needed for the intended deployment.
Explore related software
Microsoft Defender External Attack Surface Management FAQs
Does Microsoft Defender External Attack Surface Management have a free plan?
Cloud credits, trials and free usage allowances have eligibility and service limits. Check current terms for the region and workload; do not assume ongoing production use is free.
Who is Microsoft Defender External Attack Surface Management for?
Teams evaluating software that discovers and monitors internet-facing organisational assets. Evaluate external asset discovery and attack surface inventory against the intended deployment, access controls and operating responsibilities.
What should I compare before buying?
Check the tier that contains your essential features, confirm plan limits and compare the total quote with your own expected usage.

