# Microsoft Defender External Attack Surface Management alternatives: what AI models name instead, November 2026

Gane Index, November 2026 Edition. 151 of the 252 answers in the 1 category where Microsoft Defender External Attack Surface Management holds a standing named it neither first nor as an alternative; these are the first choices those answers made. Page: https://www.gane.ai/index/it/vendors/microsoft-defender-external-attack-surface-management/alternatives

## Named instead, most often (every category and segment added)

- Intruder: 25
- Attaxion: 11
- Attack Surface Scan: 7
- Cortex Xpanse: 6
- UpGuard BreachSight: 4
- Censys ASM: 3

## Attack surface management

**Small business**: 66 of 84 answers did not name Microsoft Defender External Attack Surface Management (Microsoft Defender External Attack Surface Management is #10 of 14 at 2%).

- Intruder: first choice in 18 of those 66
- Attaxion: first choice in 9 of those 66
- Attack Surface Scan: first choice in 5 of those 66
- UpGuard BreachSight: first choice in 4 of those 66
- Censys ASM: first choice in 3 of those 66
- Detectify: first choice in 2 of those 66
- ManageEngine Vulnerability Manager Plus: first choice in 2 of those 66
- SurfaceLoop: first choice in 2 of those 66

**Mid-market**: 46 of 84 answers did not name Microsoft Defender External Attack Surface Management (Microsoft Defender External Attack Surface Management is #4 of 12 at 6%).

- Intruder: first choice in 7 of those 46
- Attaxion: first choice in 2 of those 46
- Cortex Xpanse: first choice in 2 of those 46
- OWASP Amass: first choice in 2 of those 46
- Aikido Security: first choice in 1 of those 46
- Attack Surface Center: first choice in 1 of those 46
- Attack Surface Monitor: first choice in 1 of those 46
- Attack Surface Scan: first choice in 1 of those 46

**Enterprise**: 39 of 84 answers did not name Microsoft Defender External Attack Surface Management (Microsoft Defender External Attack Surface Management is #2 of 10 at 13%).

- Cortex Xpanse: first choice in 4 of those 39
- CrowdStrike Falcon Surface: first choice in 3 of those 39
- CrowdStrike Falcon Exposure Management: first choice in 2 of those 39
- CyCognito: first choice in 2 of those 39
- Attack Surface Scan: first choice in 1 of those 39
- Bitsight: first choice in 1 of those 39
- CrowdStrike Falcon Surface / Exposure Management: first choice in 1 of those 39
- Offensive360: first choice in 1 of those 39

Published under CC BY 4.0. The output is the models' output; nothing here is a recommendation by the index.