# Fortinet FortiNDR alternatives: what AI models name instead, October 2026

IT AI Recommendation Index, October 2026 Edition. 243 of the 252 answers in the 1 category where Fortinet FortiNDR 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/fortinet-fortindr/alternatives/

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

- Vectra AI: 31
- Security Onion: 23
- Darktrace: 20
- ManageEngine NetFlow Analyzer: 16
- ExtraHop Reveal: 10
- Paessler PRTG Network Monitor: 9

## Network detection and response

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

- Security Onion: first choice in 14 of those 81
- Sophos NDR: first choice in 8 of those 81
- Paessler PRTG Network Monitor: first choice in 6 of those 81
- ManageEngine NetFlow Analyzer: first choice in 4 of those 81
- Blumira: first choice in 3 of those 81
- Vectra AI: first choice in 3 of those 81
- Corelight Open NDR: first choice in 2 of those 81
- Lumu Technologies: first choice in 2 of those 81

**Mid-market**: 82 of 84 answers did not name Fortinet FortiNDR (Fortinet FortiNDR is #9 of 9 at 0%).

- Vectra AI: first choice in 15 of those 82
- ManageEngine NetFlow Analyzer: first choice in 12 of those 82
- Security Onion: first choice in 9 of those 82
- Darktrace: first choice in 8 of those 82
- ExtraHop Reveal: first choice in 4 of those 82
- Corelight Open NDR: first choice in 3 of those 82
- Paessler PRTG Network Monitor: first choice in 3 of those 82
- Blumira: first choice in 2 of those 82

**Enterprise**: 80 of 84 answers did not name Fortinet FortiNDR.

- Vectra AI: first choice in 13 of those 80
- Darktrace: first choice in 12 of those 80
- ExtraHop Reveal: first choice in 6 of those 80
- ExtraHop RevealX: first choice in 5 of those 80
- Cisco Secure Network Analytics: first choice in 3 of those 80
- Corelight Open NDR: first choice in 3 of those 80
- Kentik: first choice in 3 of those 80
- SolarWinds NetFlow Traffic Analyzer: first choice in 2 of those 80

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