Which endpoint protection is best for a small business?

For most small businesses, I’d start with Microsoft Defender for Business—especially if you already use Microsoft 365. It offers centrally managed endpoint protection and is a practical fit when you don’t have a dedicated security team.

Consider Bitdefender GravityZone instead if you want a vendor-neutral option or need to manage a mix of devices and operating systems. Both Microsoft and Bitdefender performed strongly in AV-Comparatives’ 2025 business tests; Microsoft reached 100% malware protection in that test, while Bitdefender reached 99.9%. (av-comparatives.org)

As a recent cross-check, AV-TEST’s August 2026 business Windows test gave both products perfect scores in protection, performance, and usability. (av-test.org)

Quick rule of thumb:

• Already on Microsoft 365: Defender for Business.
• Want a dedicated security console or broader platform choice: Bitdefender GravityZone.
• No one can monitor alerts or respond to incidents: prioritize a managed security service (MDR) or an MSP that handles endpoint alerts—not just antivirus software.

The best fit depends on your device mix, Microsoft 365 setup, and whether someone will actually manage alerts. Tell me how many devices you have, whether they’re Windows or Mac, and whether you use Microsoft 365, and I can narrow it down.

There's no single best choice. The right pick depends on whether you already use Microsoft 365, how much IT staff you have, and whether you want someone to monitor alerts for you. Here's how the options break down.

If you already pay for Microsoft 365 Business Premium: Start with Microsoft Defender for Business. One source calls it the natural first option for that setup, since it's included with the plan and adds EDR and automated remediation. Another notes it's built for organizations with up to 300 users.

If you have no dedicated IT or security staff: Bitdefender GravityZone Business Security is a frequently recommended pick. One buyer's guide names it for businesses without in-house security staff and cites its strong independent lab results. In a December 2025 AV-Comparatives test, Bitdefender reported blocking 437 of 438 cases, though that figure is vendor-reported. ESET PROTECT is another option for keeping resource use low, and Avast Business is positioned for small teams with limited IT time.

If you want a path to managed detection and response: Sophos Endpoint (Intercept X) is often suggested because it can expand into EDR, XDR, and 24/7 managed response as your needs grow. It also posted strong results in SE Labs' small-business testing.

If you want maximum automation and can pay more: CrowdStrike Falcon Go and SentinelOne Singularity Core come up often as top-tier choices. Reviewers describe SentinelOne as strong for remote workforces because of its offline protection and rollback.

If you'd rather not run the tool yourself: Managed EDR services such as Huntress or CNiC are often recommended for businesses under about 1,000 endpoints. A tool with nobody watching it after hours offers limited protection, so the response side matters as much as the software.

How to decide: Shortlist two or three options, then run free trials on your own devices. Check independent results from AV-Comparatives, SE Labs, or MITRE ATT&CK rather than relying on marketing. Also remember that the basics matter as much as the product: multi-factor authentication, patching, and backups.

Note that most of these "best of 2026" rankings are published by vendors or affiliate sites, so weigh them accordingly. If you tell me your device count, whether you use Microsoft 365, and your budget, I can narrow this to one or two recommendations.

For small businesses in 2026, the "best" endpoint protection often depends on your internal IT capacity, your current software stack, and whether you need a fully managed service or a tool your team can monitor themselves.

Because most small businesses have limited security staff, the current trend is toward platforms that offer high levels of automation and, in some cases, 24/7 managed detection and response (MDR).

Top Recommendations for Small Businesses

• Best for Microsoft 365 Users: Microsoft Defender for Business
  • Why: If your business is already standardized on Microsoft 365, this is a highly cost-effective and integrated choice. It provides enterprise-grade AI threat detection and attack surface reduction that works natively with your existing setup.
• Best for Hands-Off/Fully Managed Security: Huntress
  • Why: Huntress is frequently cited as a top choice for small businesses without a dedicated security team. It combines EDR with a 24/7 Security Operations Center (SOC), meaning human experts monitor your environment to handle alerts and investigate suspicious activity for you.
• Best for Automated Prevention: SentinelOne Singularity
  • Why: Known for its strong AI-driven automation, SentinelOne is designed to prevent and neutralize threats—including ransomware—without needing constant human intervention. This makes it an excellent "set it and forget it" option for teams with limited IT resources.
• Best for Ransomware Defense: Sophos Intercept X
  • Why: Sophos is widely recognized for its robust anti-ransomware and exploit-mitigation capabilities. It is a strong fit if you are concerned about ransomware and want a platform that is relatively easy to manage.
• Best for Balancing Protection & Value: Bitdefender GravityZone
  • Why: Bitdefender is consistently rated highly for its detection accuracy. It offers flexible, scalable packages that are often more affordable for small-to-medium businesses while still providing advanced features like risk analytics and patch management.

What You Should Look For

When evaluating these options, consider these three criteria to ensure the tool fits your specific business needs:

1. Level of Management: Do you have an IT person to monitor alerts? If not, look for solutions that include MDR (Managed Detection and Response) or a 24/7 SOC, like Huntress.
2. Breadth of Features: Many modern solutions now combine EDR (detection and response) with patch management and backup tools (e.g., Acronis Cyber Protect). Consolidating these can reduce your operational overhead.
3. Ease of Deployment: If you have a distributed team (remote workers), ensure the solution has a cloud-native, lightweight agent that works effectively off-network without requiring a VPN.

Recommendation: If you have limited technical staff, prioritize a solution that offers managed services (MDR). The ability to have an expert review and handle potential breaches is often more valuable to a small business than a complex dashboard that requires constant monitoring.

For most small businesses—especially those already using Microsoft 365—Microsoft Defender for Business is the best default choice. It combines antivirus, endpoint detection and response (EDR), vulnerability management, and automated investigation in a simplified management experience. It supports Windows, macOS, iOS, and Android, and is designed for businesses with up to 300 users. Microsoft lists it at US$3 per user per month, billed annually, or included with Microsoft 365 Business Premium; check current local pricing and plan terms before buying. ³⁴

Consider another product if:

• You want a more hands-off, managed service: compare vendors that bundle endpoint protection with monitoring and response from a security provider.
• You have a security team or more complex needs: evaluate higher-tier endpoint/XDR products and the time needed to manage them.
• You don’t use Microsoft 365: compare standalone options based on device compatibility, centralized management, support, and total cost—not just malware-detection claims.

Independent testing can help narrow the shortlist, but the cited AV-TEST results cover Windows 11 business endpoints, not every device or the full experience of managing a small-business fleet. ¹⁸ Before committing, test a trial on a few representative devices and confirm that it works with your existing software and that someone will review and act on security alerts.