Microsoft Defender External Attack Surface Management vs. Synack
A side-by-side comparison based on G2 review data.
| Metric | Microsoft Defender External Attack Surface Management | Synack |
|---|---|---|
| Overall rating | 4.3 | 4.8 |
| Review count | 17 | 21 |
| Ease of use | 8.8 | 9.7 |
| Ease of setup | 9.5 | 9.6 |
| Quality of support | 9.2 | 9.9 |
| Meets requirements | 9.0 | 9.7 |
| NPS | 47.058824 | 90.47619 |
| Small Business | 35.3% | 14.3% |
| Mid-Market | 35.3% | 14.3% |
| Enterprise | 29.4% | 71.4% |
| Total page views | 206 | 696 |
| Total LLM citations | 1,138 | 2,118 |
Microsoft Defender External Attack Surface Management
In this era of hybrid work, shadow IT creates an increasingly serious security risk. Defender EASM helps cloud security teams see unknown and unmanaged resources outside the firewall.
Synack
Synack is a continuous penetration testing platform that combines agentic AI with a global network of vetted security researchers to uncover real, exploitable vulnerabilities across the entire attack surface. Most organizations test only a fraction of what matters. Synack closes that coverage gap—using AI to scale discovery and human expertise to validate real risk.