Mandiant vs SentinelOne: MDR Comparison 2026
Mandiant (Services firm) and SentinelOne (EDR vendor) take different approaches to managed detection and response. Mandiant works with your existing tools, while SentinelOne requires its own security platform. Mandiant targets Mid-market and Enterprise organizations; SentinelOne focuses on Mid-market and Enterprise. Mandiant includes 5 attack surfaces in base pricing (Endpoint, Cloud, SaaS, Identity, Network), compared to 3 for SentinelOne (Endpoint, Cloud, Identity).
Key Differences at a Glance
Winner by Category
Mandiant vs SentinelOne: Which Should You Choose?
Choose Mandiant if:
- •Enterprise organizations wanting elite threat intelligence integrated directly into MDR operations
- •Google Cloud Platform customers wanting native SecOps integration
- •Organizations facing nation-state or advanced persistent threats where Mandiant's frontline IR experience is critical
- •You need SaaS and Network coverage included in base pricing
Choose SentinelOne if:
- •Organizations already running SentinelOne Singularity wanting platform-native MDR without adding another vendor
- •Mid-market and enterprise organizations wanting $1M breach response warranty as financial backstop
- •Organizations valuing AI-first detection with Purple AI and Google Threat Intelligence integration
- •Breach warranty matters to you (SentinelOne offers one, Mandiant does not)
Bottom line: SentinelOne is the choice if you want a single-vendor stack with deep integration. Mandiant is better if you have existing tools and want flexibility.
Frequently Asked Questions
What is the main difference between Mandiant and SentinelOne?
Mandiant is a Services firm that is technology-agnostic (works with your existing tools). SentinelOne is an EDR vendor that is platform-native (requires their own security stack). SLA commitments differ: Mandiant offers Not disclosed, SentinelOne offers ≤1 hour. Mandiant covers 5 attack surfaces in base pricing vs. 3 for SentinelOne.
How do Mandiant and SentinelOne differ in response capabilities?
Mandiant supports 2 autonomous actions (endpoint isolation, custom playbooks) and approval is configurable. SentinelOne supports 5 autonomous actions (endpoint isolation, process termination, network containment, file quarantine, custom playbooks) and approval is configurable.
How does Mandiant pricing compare to SentinelOne?
Mandiant pricing: Estimated ~$83,000/year (third-party estimate from Vendr, not officially published).. SentinelOne pricing: MDR add-on: ~$17-35/endpoint/year (standard) or ~$35-50/endpoint/year (Pro/Elite). Total: ~$197-280/endpoint/year for platform + MDR. Example: 1,000 endpoints x $35 MDR x 5 years = ~$175K MDR add-on cost.. Watch for with Mandiant: ~$83K+/year estimated — premium enterprise pricing; IR retainer is separate — must be purchased independently for full incident response. Watch for with SentinelOne: Platform license ($69.99-$229.99/endpoint/year) is required BEFORE MDR — significant prerequisite cost; MDR pricing is a bolt-on fee separate from platform licensing — not shown on public pricing page.
Should I choose Mandiant or SentinelOne?
Choose Mandiant if: enterprise organizations wanting elite threat intelligence integrated directly into MDR operations. Choose SentinelOne if: organizations already running SentinelOne Singularity wanting platform-native MDR without adding another vendor. Mandiant is not ideal for sMBs or budget-constrained organizations — ~$83K+/year estimated pricing. SentinelOne is not ideal for organizations running CrowdStrike, Microsoft Defender, or any non-SentinelOne EDR — platform-native lock-in.