# Stellar Cyber Open XDR alternatives: what AI models name instead, November 2026

Gane Index, November 2026 Edition. 445 of the 504 answers in the 2 categories where Stellar Cyber Open XDR 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/stellar-cyber-open-xdr/alternatives

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

- Microsoft Defender XDR: 85
- Vectra AI Platform: 40
- CrowdStrike Falcon Insight XDR: 26
- Microsoft Defender for Cloud: 17
- Coro: 15
- Darktrace: 15

## Extended detection and response

**Small business**: 78 of 84 answers did not name Stellar Cyber Open XDR (Stellar Cyber Open XDR is #10 of 12 at 0%).

- Microsoft Defender XDR: first choice in 26 of those 78
- Coro: first choice in 15 of those 78
- Microsoft Defender for Cloud: first choice in 14 of those 78
- Huntress Managed EDR: first choice in 6 of those 78
- Microsoft 365: first choice in 3 of those 78
- Sophos Intercept X: first choice in 3 of those 78
- Bitdefender GravityZone XDR: first choice in 1 of those 78
- Microsoft Purview Suite for Microsoft 365 Business Premium: first choice in 1 of those 78

**Mid-market**: 74 of 84 answers did not name Stellar Cyber Open XDR (Stellar Cyber Open XDR is #6 of 12 at 4%).

- Microsoft Defender XDR: first choice in 28 of those 74
- CrowdStrike Falcon Insight XDR: first choice in 10 of those 74
- SentinelOne Singularity: first choice in 5 of those 74
- Sophos Intercept X: first choice in 4 of those 74
- Microsoft Defender for Cloud: first choice in 3 of those 74
- ESET PROTECT: first choice in 2 of those 74
- Palo Alto Networks Cortex XDR: first choice in 2 of those 74
- Blumira: first choice in 1 of those 74

**Enterprise**: 75 of 84 answers did not name Stellar Cyber Open XDR (Stellar Cyber Open XDR is #6 of 10 at 0%).

- Microsoft Defender XDR: first choice in 31 of those 75
- CrowdStrike Falcon Insight XDR: first choice in 16 of those 75
- Palo Alto Networks Cortex XDR: first choice in 9 of those 75
- SentinelOne Singularity: first choice in 2 of those 75
- Arctic Wolf: first choice in 1 of those 75
- Palo Alto: first choice in 1 of those 75
- Palo Alto Networks: first choice in 1 of those 75
- ReliaQuest GreyMatter: first choice in 1 of those 75

## Network detection and response

**Small business**: 64 of 84 answers did not name Stellar Cyber Open XDR (Stellar Cyber Open XDR is #3 of 15 at 7%).

- Sophos NDR: first choice in 12 of those 64
- Paessler PRTG Network Monitor: first choice in 8 of those 64
- Security Onion: first choice in 5 of those 64
- Vectra AI Platform: first choice in 3 of those 64
- WatchGuard ThreatSync+ NDR: first choice in 3 of those 64
- FortiNDR: first choice in 2 of those 64
- ManageEngine NetFlow Analyzer: first choice in 2 of those 64
- Rapid7 InsightIDR: first choice in 2 of those 64

**Mid-market**: 71 of 84 answers did not name Stellar Cyber Open XDR (Stellar Cyber Open XDR is #7 of 10 at 2%).

- Vectra AI Platform: first choice in 18 of those 71
- Darktrace: first choice in 6 of those 71
- ExtraHop Reveal: first choice in 4 of those 71
- ExtraHop RevealX: first choice in 3 of those 71
- ManageEngine NetFlow Analyzer: first choice in 3 of those 71
- Auvik Network Management: first choice in 2 of those 71
- ManageEngine OpManager: first choice in 2 of those 71
- ntopng: first choice in 2 of those 71

**Enterprise**: 83 of 84 answers did not name Stellar Cyber Open XDR.

- Vectra AI Platform: first choice in 19 of those 83
- Darktrace: first choice in 9 of those 83
- ExtraHop RevealX: first choice in 9 of those 83
- Corelight Open NDR: first choice in 7 of those 83
- Cisco Secure Network Analytics: first choice in 5 of those 83
- ExtraHop Reveal: first choice in 4 of those 83
- Kentik: first choice in 3 of those 83
- Stamus Networks Clear NDR: first choice in 3 of those 83

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