Microsoft Defender External Attack Surface Management vs. ReliaQuest GreyMatter
A side-by-side comparison based on G2 review data.
| Metric | Microsoft Defender External Attack Surface Management | ReliaQuest GreyMatter |
|---|---|---|
| Overall rating | 4.3 | 4.7 |
| Review count | 17 | 20 |
| Ease of use | 8.8 | 9.0 |
| Ease of setup | 9.5 | 8.7 |
| Quality of support | 9.2 | 9.2 |
| Meets requirements | 9.0 | 9.2 |
| NPS | 47.058824 | 85 |
| Small Business | 35.3% | 29.4% |
| Mid-Market | 35.3% | 47.1% |
| Enterprise | 29.4% | 23.5% |
| Total page views | 206 | 535 |
| Total LLM citations | 1,138 | 2,209 |
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.
ReliaQuest GreyMatter
ReliaQuest’s agentic AI security operations platform, GreyMatter, allows security teams to detect threats at the source, contain them in under 5 minutes, and eliminate Tier 1 and Tier 2 work for faster investigation and response. GreyMatter orchestrates 6 agentic AI personas with 200+ agent skills and 400+ AI tools to exponentially scale security operations and help organizations predict what's next.
- Features
- Customer Support
- Centralized Management
- Ease of Use
- Easy Integrations
- Integrations