SentinelOne MDR 2026: Features, Pricing, Strengths

SentinelOne is a publicly traded cybersecurity vendor whose Singularity platform combines AI-driven endpoint detection and response (EDR) with an optional managed detection and response (MDR) service called Vigilance Respond. For small and midsize businesses evaluating it in 2026, the short version is this: SentinelOne offers strong automated threat containment and rollback capability, and its MDR tier adds 24/7 human-led monitoring on top of that, but pricing is quote-based rather than published, and the platform's depth can be more than a very small office needs. This guide breaks down what's actually included, how the pricing model works, and where SentinelOne fits, and doesn't, for a small business or practice.

What SentinelOne's Singularity Platform and MDR Actually Are

Endpoint detection and response (EDR) is software that monitors laptops, servers, and other devices for suspicious activity and can automatically contain or roll back an attack. SentinelOne sells this capability through its Singularity platform, a single lightweight agent installed on Windows, macOS, and Linux devices that uses AI models to detect malicious behavior instead of relying only on known malware signatures.

Managed detection and response (MDR) is a service where analysts outside your organization monitor security alerts around the clock, investigate them, and either respond directly or tell you what to do. SentinelOne's MDR service is called Vigilance Respond, and a more hands-on tier, Vigilance Respond Pro, adds deeper analyst engagement, according to the company's public product descriptions on sentinelone.com. Neither tier replaces the underlying Singularity EDR/XDR license, the MDR service is layered on top of it, not sold as a standalone product.

This distinction matters because many small businesses shopping for "MDR" assume they're buying one product. With SentinelOne, you're generally evaluating two purchases at once: the EDR/XDR platform itself, and the MDR monitoring service that watches it. If you're still deciding whether you need mdr services for small business at all versus a self-managed EDR tool, work through that question before you start comparing SentinelOne's tiers.

How SentinelOne Pricing Works

SentinelOne does not publish per-endpoint pricing. Like most enterprise-grade EDR/XDR vendors, it sells on an annual, per-endpoint subscription model rather than a flat monthly seat price, and you'll need to request a quote from SentinelOne directly or through an authorized reseller or managed security services provider (MSSP).

Several factors drive the quote up or down:

• Endpoint count, the number of devices (workstations, laptops, servers) you're protecting.
• Product tier, Singularity is sold in multiple bundles with different feature sets; tiers that add extended detection and response (XDR) across cloud and identity telemetry cost more than endpoint-only protection.
• MDR tier, adding Vigilance Respond or Vigilance Respond Pro is a separate line item on top of the base platform license.
• Add-ons, features like Ranger and WatchTower can be priced separately depending on the bundle.
• Contract length and sales channel, buying direct versus through an MSSP that bundles SentinelOne into a broader managed service can change the total.

Because none of this is published, the only reliable way to know what SentinelOne will cost your practice is to request an itemized quote that separates the EDR platform cost from the MDR cost, then compare that all-in annual number against alternatives. For a broader look at how EDR contracts are typically structured, see edr pricing and total cost of ownership. If a predictable flat monthly bill matters more to your practice than platform depth, it's also worth reviewing which edr providers offer flat monthly pricing for smbs? before you commit to a quote-based enterprise vendor.

SentinelOne MDR Tiers Compared

SentinelOne describes its MDR service in two tiers layered on top of the base Singularity platform. The table below summarizes the general difference based on the company's public service descriptions, confirm current tier details with your sales rep, since vendor packaging changes over time.

Who SentinelOne MDR Fits, and Who It Doesn't

SentinelOne's MDR tiers tend to work best for organizations running roughly 25 to a few hundred endpoints that already have some internal IT support and want automated containment plus 24/7 monitoring rather than building an in-house security operations center. Firms in regulated industries, accounting and tax practices subject to the FTC Safeguards Rule, or healthcare offices subject to the HIPAA Security Rule, often gravitate toward this kind of platform because automated response and documented monitoring can support the risk-assessment and incident-response elements those rules expect. Whether a specific product satisfies a specific regulatory requirement is a compliance question best confirmed with your counsel or compliance advisor, not a vendor's marketing page.

It's a weaker fit for solo practitioners or micro offices with a handful of endpoints and no IT staff to interpret console output or field vendor calls. In that situation, the two-part EDR-plus-MDR purchase can add complexity without proportional benefit. Those readers are often better served by a simpler managed endpoint security for small business arrangement, where one provider bundles the tool and the monitoring into a single, predictable service. It's also worth understanding cybersecurity company vs msp before deciding whether to buy SentinelOne direct or through a managed provider that bundles it in.

If your practice is scaling toward the size and complexity where platforms built for larger organizations start to make sense, it's worth reading how enterprise security for small business tools like SentinelOne differ from tools designed specifically for small offices, so you're not paying for capacity you won't use.

Independent Testing and Why It Matters

SentinelOne has participated in the MITRE ATT&CK Evaluations, an independent testing program run by MITRE Engenuity that measures how EDR products detect and report simulated adversary techniques mapped to the MITRE ATT&CK framework. Reviewing a vendor's results in that program, rather than relying only on marketing claims, gives you a third-party reference point for how a product performs against known attack techniques before you sign a contract. Independent testing is one input; pairing any MDR service with periodic what is penetration testing gives you a second, environment-specific data point beyond vendor-reported detection results.

According to Verizon's 2024 Data Breach Investigations Report, ransomware or extortion was involved in roughly one-third of the breaches the report analyzed, underscoring why automated containment features like rollback appeal to buyers. The Verizon Data Breach Investigations Report (DBIR) is an annual analysis of confirmed data breaches compiled from contributing organizations worldwide. That said, no product, including SentinelOne's rollback feature, can guarantee that ransomware will never succeed on your network; automated response reduces impact and recovery time, it doesn't eliminate risk.

Where SentinelOne Falls Short for Small Businesses

The most common complaint from small business buyers isn't the technology, it's the buying process. Because pricing isn't published, you can't quickly rule SentinelOne in or out the way you can with a vendor that posts flat monthly rates, which means budgeting for it takes longer and usually involves at least one sales conversation before you have a real number.

The second common friction point is that Vigilance Respond is a genuine add-on, not a bundled feature. If you only budget for the Singularity EDR license and add MDR later, expect the total to increase, sometimes meaningfully. Build the MDR line item into your initial budget request rather than treating it as optional.

Finally, no MDR service, from SentinelOne or any vendor, replaces having your own basic incident response plan. The nist incident response framework outlines the internal roles, communication steps, and decision points your practice needs regardless of which vendor is watching your endpoints. A managed vendor can detect and contain; someone at your firm still has to decide when to notify clients, insurers, or regulators.