Head-to-head, ranks 5 and 3 of 12
Legion Security vs Microsoft Security Copilot
The short answer
Legion Security totals 5.95 and Microsoft Security Copilot 6.50. Microsoft Security Copilot ranks higher by 0.55 points. The decisive criterion is pricing transparency, where Legion Security scores 2 and Microsoft Security Copilot 9. Legion Security leads on 3 criteria, Microsoft Security Copilot on 4.
Seven scores side by side
| Criterion | Weight | Legion Security | Microsoft Security Copilot |
|---|---|---|---|
| Use-case breadth | 20% | 7 | 6 |
| Context grounding | 15% | 8 | 6 |
| Autonomy controls | 15% | 8 | 6 |
| Published evidence | 15% | 5 | 6 |
| Integration transparency | 15% | 4 | 6 |
| Pricing transparency | 10% | 2 | 9 |
| Momentum and recognition | 10% | 6 | 8 |
| Weighted total | 100% | 5.95 | 6.50 |
Where Legion Security is ahead
- Use-case breadth, 7 against 6. SOC investigation, DLP, identity, vulnerability management and GRC, with 50+ use cases in production (vendor claim).
- Context grounding, 8 against 6. Learns workflows and tribal knowledge from past cases and from browser recordings of analyst investigations.
- Autonomy controls, 8 against 6. Guided and Autonomous modes with named approval workflows and guardrails.
Where Microsoft Security Copilot is ahead
- Published evidence, 6 against 5. The only randomised controlled trials in the index: 167 analysts and 162 administrators, October 2025, both grade B.
- Integration transparency, 6 against 4. Defender, Sentinel, Entra, Intune, Purview and Splunk are named, plus 30+ partner agents in the Security Store.
- Pricing transparency, 9 against 2. The only public unit price of the twelve: 4 USD per SCU per hour provisioned and 6 USD overage, read 2026-11-03.
- Momentum and recognition, 8 against 6. Phishing Triage Agent preview in 2025-07, 40 agents added in 2025-11, Security Analyst Agent preview in 2026-04.
Verdict by situation
- Lean SOC: For a lean SOC, Microsoft Security Copilot leads 6.65 to 5.70, mostly on pricing transparency (9 against 2); Legion Security only makes sense if that criterion matters little to you.
- Enterprise SOC with SOAR already: For an enterprise SOC that already runs SOAR, Legion Security leads 6.30 to 6.25, mostly on context grounding (8 against 6); Microsoft Security Copilot only makes sense if that criterion matters little to you.
- Microsoft estate: For a Microsoft-centred estate, Microsoft Security Copilot leads 6.55 to 5.65, mostly on pricing transparency (9 against 2); Legion Security only makes sense if that criterion matters little to you.
- Regulated and audited: For a regulated or audited organisation, Microsoft Security Copilot leads 6.40 to 5.90, mostly on pricing transparency (9 against 2); Legion Security only makes sense if that criterion matters little to you.
- MSSP: For an MSSP, Microsoft Security Copilot leads 6.40 to 5.80, mostly on pricing transparency (9 against 2); Legion Security only makes sense if that criterion matters little to you.
The sourced difference on pricing transparency
Legion Security, per legionsecurity.ai: None published; demo request only (read 2026-11-05).
Microsoft Security Copilot, per www.microsoft.com: Published: 4 USD per security compute unit per hour provisioned (minimum 1), 6 USD per SCU per hour overage with an optional cap; Microsoft 365 E5 and E7 customers get 400 SCUs a month per 1,000 licences, up to 10,000 a month (read 2026-11-03). Microsoft states page prices are estimates.
Both read between 2026-11-03 and 2026-11-05. Vendor statements are vendor claims.