Microsoft Defender for Business vs CrowdStrike Falcon for Small Business (2026)

Reviewed 29 July 2026 using current Microsoft and CrowdStrike product pages. This is a purchasing guide, not a claim that either product will prevent every incident. Test detection, response and day-to-day operations in your own environment.

The short answer: Microsoft Defender for Business is usually the cost-efficient starting point for a small business already licensed for Microsoft 365 Business Premium. CrowdStrike Falcon deserves a close look when the business wants a security-first platform licensed per endpoint, needs Windows, macOS and Linux coverage, or wants CrowdStrike’s managed detection and response option. The decision should be based on the team that will operate the product, not just the agent installed on each device.

Defender for Business vs CrowdStrike: quick comparison

What Microsoft Defender for Business includes

Defender for Business is Microsoft’s endpoint-security product for organisations with up to 300 users. It is sold standalone and included in Microsoft 365 Business Premium. Microsoft’s Australian product page currently lists AU$4.50 per user per month, paid yearly, excluding GST.

The same page lists these core capabilities:

• Vulnerability management
• Next-generation antivirus
• Endpoint detection and response
• Automatic attack disruption
• Automated investigation and remediation
• Monthly security summary reports

Microsoft’s Defender service description confirms the Business Premium inclusion and explains that server protection is a separate add-on. The server add-on requires at least one Business Premium or Defender for Business licence and has its own limits, so do not count servers as if they were ordinary user devices.

The strongest economic case appears when the business already pays for Business Premium. In that situation, Defender for Business is not “free”, but its endpoint licence is already part of the bundle. Replacing it with another product needs a clear operational or security benefit.

What CrowdStrike Falcon offers

CrowdStrike Falcon is a cloud security platform built around a common endpoint sensor and a range of security modules. CrowdStrike’s endpoint-security overview describes next-generation antivirus, endpoint detection and response, device and firewall control, threat intelligence, forensics and Falcon Complete managed detection and response among its available capabilities.

The important word is available. Falcon is modular. Do not assume every feature mentioned on the platform page appears in the bundle shown on a quote. Match the purchased bundle and add-ons to a written requirement list.

CrowdStrike’s current US online pricing page publishes three self-service bundle prices:

Those are US website prices, not an Australian quote. Taxes, currency, reseller terms, minimums and add-ons can change the payable amount. CrowdStrike also says Falcon Go purchases are limited to 100 devices. Australian buyers should request a local quote and compare the exact bill of materials.

Why the price comparison is not one line

Defender for Business is licensed per user, while CrowdStrike’s published small-business bundles are priced per device. A 30-person company with one laptop each has a different comparison from a 30-person company with 60 workstations and several shared systems.

For illustration only:

• 30 standalone Defender for Business users at AU$4.50 cost AU$135 per month, or AU$1,620 per year, before GST.
• 30 Falcon Pro devices at the published annual US price cost US$2,999.70 per year.
• 60 Falcon Pro devices at that price cost US$5,999.40 per year.

Do not convert those numbers and declare a winner. First confirm how many users and endpoints each licensing programme requires, whether Defender is already bundled, which Falcon modules are included, and whether servers or mobile devices need separate treatment.

Detection is only part of the purchase

Who watches the alerts?

An EDR product can generate a strong detection and still fail to reduce risk if nobody investigates it. Identify who monitors the console outside business hours, how quickly they acknowledge a high-severity alert, who can isolate a device, and when an incident becomes a legal, insurer or executive matter.

Falcon Complete gives CrowdStrike buyers a direct path to a managed service. A Microsoft-oriented business can use an MSP, a managed security provider or additional Microsoft services. Compare the service-level commitment, response authority, exclusions and evidence retention—not just the product brand.

How much platform consolidation matters

Defender’s advantage is context inside the Microsoft stack. Endpoint signals can appear in the unified Defender portal and work with Intune, Entra, Microsoft Defender for Office 365, Sentinel and other licensed services. Microsoft’s Defender for Endpoint overview describes how those workload signals can be correlated into broader incidents.

CrowdStrike’s advantage is a security platform that is not dependent on using Microsoft for productivity and identity. That can suit a heterogeneous technology estate or a security team standardised on Falcon. It can also create another console and integration set for a small IT team to own.

Which operating systems are really in scope?

Microsoft advertises Defender for Business protection for Windows, macOS, Android and iOS. CrowdStrike’s pricing FAQ lists Windows, macOS and Linux platform support, while its bundles advertise mobile-device protection. Platform support does not mean identical functionality. Test prevention, isolation, evidence collection, firewall/device controls and update behaviour on every operating-system group you rely on.

Choose Defender for Business when

• Microsoft 365 Business Premium already covers the users.
• The fleet is mainly Windows with supported Mac and mobile requirements.
• The team uses Intune, Entra and the Microsoft Defender portal.
• Automated investigation and a simplified small-business experience suit the operating model.
• The organisation can provide alert monitoring itself or through a trusted partner.

Defender should still be configured, monitored and tested. Being bundled does not make a default tenant configuration a finished security programme.

Choose CrowdStrike Falcon when

• The security team wants the Falcon platform and has defined the required modules.
• Per-device licensing fits the fleet better than per-user licensing.
• Linux endpoints are important to the client-device estate.
• The organisation wants to evaluate Falcon Complete for managed detection and response.
• A multi-vendor environment makes Microsoft-stack consolidation less valuable.

Request a quote that names every bundle, add-on, device count, support level and renewal term. “CrowdStrike Falcon” alone is not a sufficient bill of materials.

When neither default answer is enough

A regulated or higher-risk business may need to compare Defender for Endpoint Plan 2 rather than Defender for Business. Microsoft says Defender for Business combines Plan 1 capabilities, selected Plan 2 capabilities and features designed for smaller organisations. Advanced hunting, longer data requirements, server coverage or enterprise licensing can change the appropriate Microsoft SKU.

Likewise, Falcon Go may not be the meaningful CrowdStrike comparator if the requirement is full EDR, threat hunting, identity protection, managed response or expanded telemetry. Compare outcomes and purchased capabilities, not two entry prices.

A fair 30-day pilot

Use representative devices and repeat the same safe, authorised test plan for both products. Do not use live malware or attack production systems.

1. Deploy: measure installation success, policy arrival and device-health visibility.
2. Validate prevention: use vendor-provided test detections and benign simulation methods.
3. Investigate: time how long an administrator needs to understand a detection and affected device.
4. Respond: test isolation, evidence collection and restoration through an approved exercise.
5. Measure noise: record actionable alerts, false positives and tuning effort.
6. Test platform coverage: repeat on Windows, Mac, Linux or mobile devices that matter.
7. Test integrations: verify ticketing, identity, device management, SIEM and notifications.
8. Review operations: calculate weekly admin time and after-hours coverage.

Avoid presenting vendor-commissioned ROI studies or laboratory results as a promise for your environment. They can inform a shortlist, but the pilot should decide whether the product is usable by your team.

Questions to put in the quote request

• Which endpoints, users and servers require licences?
• Which EDR, vulnerability, device-control, firewall and identity features are included?
• How long is searchable telemetry retained?
• What support or managed-response service is included?
• Who has authority to isolate or remediate a device?
• What happens when the business exceeds 100 devices or 300 users?
• What are the implementation, renewal and cancellation terms?
• Where is Australian customer data processed and what controls apply?

Lachie’s Tanium versus CrowdStrike comparison provides more context on how Falcon differs from an endpoint-operations platform. The guide to SCCM, MECM and Intune is also useful before assuming device management and endpoint security are the same purchase.

Frequently asked questions

Is Microsoft Defender for Business the same as the antivirus built into Windows?

No. Windows includes Microsoft Defender Antivirus. Defender for Business adds a cloud-managed business security service with vulnerability management, endpoint detection and response, automated investigation and other capabilities.

Is CrowdStrike cheaper than Microsoft Defender?

There is no universal answer because the licensing units, currencies, bundles and existing entitlements differ. Defender can have a low incremental cost for Business Premium customers. CrowdStrike’s published online bundles are per device and vary substantially by tier.

Do I need Intune to use Defender for Business?

Not in every deployment path. Intune can make onboarding and policy management easier, and Business Premium contains both. Microsoft also documents other onboarding methods. Select the method that provides reliable configuration and reporting for your devices.

Verdict

For a Microsoft 365 Business Premium customer with a conventional small-business fleet, configure and pilot Defender for Business before paying for a replacement. Shortlist CrowdStrike when a Falcon-specific capability, Linux coverage, per-device model or managed-response requirement justifies the additional platform. Whichever product wins, fund the monitoring and response process around it; an unattended EDR console is not a security strategy.