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

IT AI Recommendation Index, October 2026 Edition. 563 of the 756 answers in the 3 categories where Intruder 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/intruder/alternatives/

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

- Invicti: 62
- OWASP ZAP: 44
- Tenable Vulnerability Management: 41
- Qualys VMDR: 33
- Cortex Xpanse: 26
- Rapid7 InsightVM: 18

## Attack surface management

**Small business**: 45 of 84 answers did not name Intruder (Intruder is #1 of 13 at 26%).

- Attaxion: first choice in 5 of those 45
- Censys ASM: first choice in 5 of those 45
- Detectify: first choice in 3 of those 45
- UpGuard BreachSight: first choice in 3 of those 45
- Halo Security: first choice in 2 of those 45
- Microsoft Defender External Attack Surface Management: first choice in 2 of those 45
- SurfaceLoop: first choice in 2 of those 45
- Tenable Attack Surface Management: first choice in 2 of those 45

**Mid-market**: 53 of 84 answers did not name Intruder (Intruder is #1 of 12 at 49%).

- Microsoft Defender External Attack Surface Management: first choice in 5 of those 53
- Attaxion: first choice in 4 of those 53
- Cortex Xpanse: first choice in 4 of those 53
- CyCognito: first choice in 3 of those 53
- Wiz: first choice in 2 of those 53
- Bitsight: first choice in 1 of those 53
- CrowdStrike Falcon Surface: first choice in 1 of those 53
- IONIX: first choice in 1 of those 53

**Enterprise**: 84 of 84 answers did not name Intruder.

- Cortex Xpanse: first choice in 22 of those 84
- Microsoft Defender External Attack Surface Management: first choice in 9 of those 84
- Bitsight: first choice in 5 of those 84
- CyCognito: first choice in 5 of those 84
- Tenable Attack Surface Management: first choice in 4 of those 84
- Wiz: first choice in 3 of those 84
- CrowdStrike Falcon Exposure Management: first choice in 2 of those 84
- CrowdStrike Falcon Surface: first choice in 2 of those 84

## Vulnerability management platforms

**Small business**: 30 of 84 answers did not name Intruder (Intruder is #1 of 11 at 45%).

- Microsoft Defender for Cloud: first choice in 3 of those 30
- Rapid7 InsightVM: first choice in 3 of those 30
- Tenable Nessus: first choice in 3 of those 30
- Tenable Vulnerability Management: first choice in 3 of those 30
- ESET Vulnerability & Patch Management: first choice in 2 of those 30
- ManageEngine Vulnerability Manager Plus: first choice in 2 of those 30
- CrowdStrike Falcon Spotlight: first choice in 1 of those 30
- Microsoft Defender Vulnerability Management: first choice in 1 of those 30

**Mid-market**: 59 of 84 answers did not name Intruder (Intruder is #3 of 10 at 11%).

- Tenable Vulnerability Management: first choice in 12 of those 59
- Qualys VMDR: first choice in 8 of those 59
- Rapid7 InsightVM: first choice in 8 of those 59
- SecPod SanerNow: first choice in 2 of those 59
- Action1: first choice in 1 of those 59
- Greenbone OpenVAS: first choice in 1 of those 59
- ManageEngine Vulnerability Manager Plus: first choice in 1 of those 59
- Microsoft Defender Vulnerability Management: first choice in 1 of those 59

**Enterprise**: 84 of 84 answers did not name Intruder.

- Tenable Vulnerability Management: first choice in 26 of those 84
- Qualys VMDR: first choice in 25 of those 84
- Tenable One: first choice in 10 of those 84
- Rapid7 InsightVM: first choice in 7 of those 84
- Microsoft Defender Vulnerability Management: first choice in 4 of those 84
- Aikido Security: first choice in 1 of those 84
- DefectDojo: first choice in 1 of those 84
- ManageEngine Vulnerability Manager Plus: first choice in 1 of those 84

## Dynamic application security testing

**Small business**: 51 of 84 answers did not name Intruder (Intruder is #2 of 12 at 16%).

- OWASP ZAP: first choice in 28 of those 51
- Acunetix: first choice in 6 of those 51
- StackHawk: first choice in 5 of those 51
- Invicti: first choice in 3 of those 51
- Invicti Web + API: first choice in 2 of those 51
- Aikido Security: first choice in 1 of those 51
- Astra Security: first choice in 1 of those 51
- Detectify: first choice in 1 of those 51

**Mid-market**: 73 of 84 answers did not name Intruder (Intruder is #6 of 11 at 6%).

- Invicti: first choice in 17 of those 73
- OWASP ZAP: first choice in 16 of those 73
- Acunetix: first choice in 5 of those 73
- Burp Suite: first choice in 5 of those 73
- StackHawk: first choice in 4 of those 73
- Burp Suite DAST: first choice in 3 of those 73
- Bright Security: first choice in 2 of those 73
- Aikido Security: first choice in 1 of those 73

**Enterprise**: 84 of 84 answers did not name Intruder.

- Invicti: first choice in 42 of those 84
- Burp Suite DAST: first choice in 6 of those 84
- Veracode DAST: first choice in 4 of those 84
- Burp Suite Enterprise Edition: first choice in 3 of those 84
- Acunetix: first choice in 2 of those 84
- Burp Suite: first choice in 2 of those 84
- HCL AppScan: first choice in 2 of those 84
- Rapid7 InsightAppSec: first choice in 2 of those 84

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