Top Microsoft Defender External Attack Surface Management Alternatives & Competitors 2026

Reviewed in Last 12 Months

How Alternatives Are Selected

1. RiskProfiler

Overall experience has been strong. RiskProfiler's External Attack Surface Management module continuously surfaces external exposures, shadow IT risks, and vulnerabilities, enabling clear visibility into real-world paths.

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2. Halo Security

By Halo Security

4.6

(96 Ratings)

Interactive user interface has strong workflow logic, easy SLA setup and is a very collaborative tool. The AI capability saves a lot of time while creating new tickets and also provides solutions to existing problems which have been addressed before.

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3. Falcon Surface

By CrowdStrike

4.6

(94 Ratings)

Falcon's Surface has provided us with unmatched visibility into our company's external attack surface. it finds and identifies internet facing assets on a daily basis, many of which are shadow IT or forgotten VMs that we were previously unaware of, risk scoring based on AI analysis findings in conjunction with real threat intelligence ensuring concentration on actual exploitations rather than alert fatigue. End to end integration with the complete Falcon platform allows for a natural workflow from external discovery to endpoint resolution.

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4. Cortex Xpanse

By Palo Alto Networks

4.5

(77 Ratings)

My overall experience with Cortex-Xpanse has been positive. It gives us a clear and continuously updated view of our external surface, which is tricky to figure out. The platfrom makes it easier to identify unknown assets and track exposure. It's helpful for strengthening our external security posture without adding additional overhead.

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5. Bitsight Cyber Risk Intellligence

By Bitsight

4.5

(39 Ratings)

Our experience with BitSight has been positive. It provides a clear, independent, and continuously updated view of our external security posture that is effective for both operational remediation and executive reporting. The security rating simplifies communication of Cyber Risk to leadership and the board, while the underlying findings help us identify and prioritize externally observable exposures that were not always visible through internal tools. Peer benchmarking adds useful context for risk-based decision making, and the third-party monitoring capability has strengthened our vendor risk process. The platform is easy to use and integrates well into our regular cybersecurity governance cadence. Overall, it is a valuable component of our external cyber-risk monitoring program.

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Where Microsoft Defender External Attack Surface Management Scored Higher

Easier to integrate and deploy

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6. CyCognito Platform

By CyCognito

4.6

(39 Ratings)

Great insights on vulnerabilities. CyCognito delivers all information you need to investigate, clarify and remediate vulnerabilities in your designated environment. Sadly the performance in the platform is slow from time time, but you can build around this problem using the API or creating reports.

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7. Cyble Vision

By Cyble

(36 Ratings)

The overall experience has been very positive. It has become a useful part of our continuous monitoring, and the reporting has been helpful for internal stakeholders. Support was very strong and cooperative, and we have seen measurable improvements in visibility and response time.

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8. Mandiant Advantage Attack Surface Management (Legacy)

By Google

4.2

(32 Ratings)

This product has enhanced our incident response capability by providing real-time threat detection and proactive threat management.

Read all insights and reviews for Mandiant Advantage Attack Surface Management (Legacy)

Where Microsoft Defender External Attack Surface Management Scored Higher

Easier to integrate and deploy
Better evaluation and contracting

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Considering alternatives to Microsoft Defender External Attack Surface Management? See what this market Microsoft Defender External Attack Surface Management users also considered in their purchasing decision. When evaluating different solutions, potential buyers compare competencies in categories such as evaluation and contracting, integration and deployment, service and support, and specific product capabilities.

Check out real reviews verified by Gartner to see how Microsoft Defender External Attack Surface Management compares to its competitors and find the best software or service for your organization.

1. RiskProfiler

2. Halo Security

3. Falcon Surface

4. Cortex Xpanse

5. Bitsight Cyber Risk Intellligence

6. CyCognito Platform

7. Cyble Vision

8. Mandiant Advantage Attack Surface Management (Legacy)

Top Alternatives to Microsoft Defender External Attack Surface Management