# Tenable Attack Surface Management alternatives: what AI models name instead, November 2026

Gane Index, November 2026 Edition. 213 of the 252 answers in the 1 category where Tenable 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/tenable-attack-surface-management/alternatives

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

- Intruder: 44
- Attaxion: 23
- Cortex Xpanse: 22
- Microsoft Defender External Attack Surface Management: 12
- CyCognito: 9
- Attack Surface Scan: 8

## Attack surface management

**Small business**: 80 of 84 answers did not name Tenable Attack Surface Management (Tenable Attack Surface Management is #12 of 14 at 0%).

- Intruder: first choice in 29 of those 80
- Attaxion: first choice in 13 of those 80
- Attack Surface Scan: first choice in 5 of those 80
- UpGuard BreachSight: first choice in 5 of those 80
- Microsoft Defender External Attack Surface Management: first choice in 3 of those 80
- Aikido Security: first choice in 2 of those 80
- Censys ASM: first choice in 2 of those 80
- Detectify: first choice in 2 of those 80

**Mid-market**: 74 of 84 answers did not name Tenable Attack Surface Management (Tenable Attack Surface Management is #8 of 12 at 2%).

- Intruder: first choice in 15 of those 74
- Attaxion: first choice in 10 of those 74
- CyCognito: first choice in 5 of those 74
- Microsoft Defender External Attack Surface Management: first choice in 4 of those 74
- Censys ASM: first choice in 3 of those 74
- Cortex Xpanse: first choice in 3 of those 74
- Attack Surface Scan: first choice in 2 of those 74
- OWASP Amass: first choice in 2 of those 74

**Enterprise**: 59 of 84 answers did not name Tenable Attack Surface Management (Tenable Attack Surface Management is #3 of 10 at 7%).

- Cortex Xpanse: first choice in 19 of those 59
- Microsoft Defender External Attack Surface Management: first choice in 5 of those 59
- CyCognito: first choice in 4 of those 59
- CrowdStrike Falcon Exposure Management: first choice in 2 of those 59
- CrowdStrike Falcon Surface: first choice in 2 of those 59
- Offensive360 ASM: first choice in 2 of those 59
- Attack Surface Scan: first choice in 1 of those 59
- Bitsight: first choice in 1 of those 59

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