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

IT AI Recommendation Index, October 2026 Edition. 220 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://it-ai-index.com/vendors/tenable-attack-surface-management/alternatives/

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

- Intruder: 49
- Attaxion: 21
- Microsoft Defender External Attack Surface Management: 18
- Cortex Xpanse: 14
- CyCognito: 7
- Detectify: 6

## Attack surface management

**Small business**: 80 of 84 answers did not name Tenable Attack Surface Management (Tenable Attack Surface Management is #9 of 13 at 3%).

- Intruder: first choice in 24 of those 80
- Attaxion: first choice in 14 of those 80
- Detectify: first choice in 4 of those 80
- Halo Security: first choice in 4 of those 80
- Microsoft Defender External Attack Surface Management: first choice in 4 of those 80
- SurfaceLoop: first choice in 4 of those 80
- Censys ASM: first choice in 3 of those 80
- PortWarden: first choice in 3 of those 80

**Mid-market**: 77 of 84 answers did not name Tenable Attack Surface Management (Tenable Attack Surface Management is #7 of 12 at 2%).

- Intruder: first choice in 25 of those 77
- Attaxion: first choice in 7 of those 77
- Microsoft Defender External Attack Surface Management: first choice in 5 of those 77
- CyCognito: first choice in 3 of those 77
- Cortex Xpanse: first choice in 2 of those 77
- Detectify: first choice in 2 of those 77
- UpGuard BreachSight: first choice in 2 of those 77
- Wiz: first choice in 2 of those 77

**Enterprise**: 63 of 84 answers did not name Tenable Attack Surface Management (Tenable Attack Surface Management is #5 of 9 at 5%).

- Cortex Xpanse: first choice in 12 of those 63
- Microsoft Defender External Attack Surface Management: first choice in 9 of those 63
- Bitsight: first choice in 4 of those 63
- CyCognito: first choice in 4 of those 63
- Wiz: first choice in 3 of those 63
- Mandiant Attack Surface Management: first choice in 2 of those 63
- Palo Alto Networks: first choice in 2 of those 63
- Bitsight External Attack Surface Management: first choice in 1 of those 63

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