SentinelOne vs Microsoft Defender: Honest Comparison from Northstar IT
North Star IT deploys and supports both SentinelOne and Microsoft Defender for Business for Canadian businesses across BC, Alberta, and Yukon. Here is how the two stack up in 2026 across the dimensions that actually matter when you are buying.
SentinelOne vs Microsoft Defender for Business on the key dimensions.
What you should weigh in the buying decision. Real talk from a vendor neutral managed services firm.
| Dimension | SentinelOne | Microsoft Defender for Business |
|---|---|---|
| EDR | SentinelOne approach | Microsoft Defender for Business approach |
| Microsoft 365 fit | SentinelOne approach | Microsoft Defender for Business approach |
| Pricing | SentinelOne approach | Microsoft Defender for Business approach |
When SentinelOne wins and when Microsoft Defender for Business wins.
Choose SentinelOne when
Your priority is edr and you have an existing skill set or vendor relationship that pairs well with the SentinelOne ecosystem. Mid-sized teams with structured procurement often land here.
Choose Microsoft Defender for Business when
Your priority is pricing and you value rapid deployment, lighter administration, or tighter integration with adjacent platforms you already run. Smaller teams often pick this side.
Either way, we can deploy
North Star IT runs both stacks in production for Canadian SMBs. We will recommend the right pick for your environment, deploy cleanly, and document everything so you are never locked into a single vendor relationship.
Common questions about SentinelOne vs Microsoft Defender for Business.
Which is better, SentinelOne or Microsoft Defender for Business?
It depends on your environment. North Star recommends SentinelOne for teams that prioritize edr, and Microsoft Defender for Business for teams that prioritize pricing. We deploy both for Canadian SMBs and pick based on fit, not vendor relationships.
Is SentinelOne more expensive than Microsoft Defender for Business?
Pricing for SentinelOne and Microsoft Defender for Business both depend on seat count, tier, and contract. SentinelOne tends to compete on edr, while Microsoft Defender for Business often wins on microsoft 365 fit. Get a real quote for your size before deciding.
Can Northstar IT help us switch?
Yes. Northstar IT plans and runs platform migrations between SentinelOne and Microsoft Defender for Business for Canadian businesses. We map current configurations, stage the cutover, and document the new environment for handover.
Not sure which fits your business?
Book a free 30-minute call. We will walk through your environment, your budget, and your priorities, and recommend the right platform for your team. No vendor kickbacks, no upsell games.
Get a Free Assessment More comparisons