# HackerOne alternatives: what AI models name instead, October 2026

IT AI Recommendation Index, October 2026 Edition. 232 of the 252 answers in the 1 category where HackerOne 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/hackerone/alternatives/

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

- Cobalt: 36
- NetSPI: 26
- BreachLock: 21
- Synack: 14
- Astra Security: 12
- Bright Defense: 9

## Penetration testing as a service

**Small business**: 81 of 84 answers did not name HackerOne.

- Cobalt: first choice in 14 of those 81
- BreachLock: first choice in 9 of those 81
- Astra Security: first choice in 8 of those 81
- Bright Defense: first choice in 8 of those 81
- Acunetix: first choice in 5 of those 81
- Bug Circuit: first choice in 3 of those 81
- Bugcrowd: first choice in 2 of those 81
- HIFENCE: first choice in 2 of those 81

**Mid-market**: 76 of 84 answers did not name HackerOne (HackerOne is #6 of 10 at 2%).

- Cobalt: first choice in 18 of those 76
- BreachLock: first choice in 9 of those 76
- Astra Security: first choice in 4 of those 76
- Synack: first choice in 3 of those 76
- UnderDefense: first choice in 2 of those 76
- Bishop Fox: first choice in 1 of those 76
- Bright Defense: first choice in 1 of those 76
- Bug Circuit: first choice in 1 of those 76

**Enterprise**: 75 of 84 answers did not name HackerOne (HackerOne is #10 of 11 at 0%).

- NetSPI: first choice in 26 of those 75
- Synack: first choice in 11 of those 75
- Cobalt: first choice in 4 of those 75
- BreachLock: first choice in 3 of those 75
- Bishop Fox: first choice in 2 of those 75
- Bugcrowd: first choice in 1 of those 75
- Bugcrowd's PTaaS Subscription: first choice in 1 of those 75
- DeepStrike: first choice in 1 of those 75

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