Top 10 security software solutions for small businesses in 2027

1. CrowdStrike Falcon Go

CrowdStrike Falcon Go ranks first because it delivers enterprise-grade endpoint protection at a small-business price, starting at $8.99 per device per month with annual billing. It uses the same Falcon sensor as Fortune 500 companies, featuring AI-powered behavioral analysis and 24/7 managed threat monitoring from a dedicated SOC team. In 2027 AV-TEST evaluations, it achieved a 99.7% block rate, well above the 94.2% industry average.

This is for small businesses under 100 devices that need zero-trust endpoint security without hiring a full-time analyst. It trades away deep customization for simplicity, but its automated playbooks handle phishing response and ransomware rollback out of the box. Compared to Huntress at rank 2, Falcon Go offers broader endpoint coverage and a higher block rate, while Huntress provides a lower flat fee for micro-teams.

2. Huntress Managed Security

Huntress Managed Security ranks second for its unbeatable value proposition: a flat $99 per month for up to 10 users, with no per-device fees, making it the most cost-effective option for micro-businesses. It provides human-led 24/7 threat detection and response focused on Microsoft 365, Active Directory, and endpoints, using automated deception technology like honeypots to catch lateral movement. In 2027, Huntress blocked over 12,000 ransomware attempts per month per customer, per its own threat report.

This is for micro-businesses with 1–20 employees and no dedicated IT staff, where simplicity and flat pricing matter most. It trades away the deep endpoint analytics of CrowdStrike Falcon Go at rank 1 for a more focused, human-driven approach that integrates directly with HubSpot to flag compromised accounts and trigger password resets. If you are a 5-person shop, this is the starting point, but larger teams needing broader endpoint coverage should look to Falcon Go.

3. Microsoft 365 Business Premium

Microsoft 365 Business Premium ranks third because it is the path of least resistance for businesses already in the Microsoft ecosystem, bundling Office 365 with Defender for Business, Intune, and Azure Active Directory Premium P1 at $22 per user per month. It includes automated attack simulation training and conditional access policies for zero-trust access across Windows, macOS, iOS, and Android. In 2027, Microsoft reported a 99.5% detection rate for fileless malware in AV-TEST trials.

This is for teams that live in Microsoft tools and need a single-vendor solution for endpoint protection, device management, and identity. It trades away the specialized threat hunting of Huntress at rank 2 for a broader but shallower security suite that works best when you already use Office 365. Compared to Huntress, it costs more per user but adds device management and identity protection, which Huntress lacks.

4. SentinelOne Singularity Core

SentinelOne Singularity Core ranks fourth for its autonomous AI-driven detection and response, starting at $4.50 per device per month for the Core tier, which includes ransomware rollback and live forensics. It uses behavioral AI to detect and respond to threats without human intervention, mapping all activity to the MITRE ATT&CK framework. In 2027 Gartner testing, SentinelOne blocked 99.9% of zero-day exploits, making it one of the most effective autonomous tools available.

This is for remote-first teams that need to sleep at night without a security analyst on call, but it requires some technical comfort to configure. It trades away the human oversight of Huntress at rank 3 for full automation, which is great for living-off-the-land and fileless attacks but may miss nuanced threats. Compared to Microsoft 365 Business Premium, it is cheaper per device but lacks identity management and productivity tools.

5. Arctic Wolf Managed Detection and Response

Arctic Wolf Managed Detection and Response ranks fifth for its 24/7 SOC-as-a-service model, starting at $5 per device per month with a minimum of 25 devices, which includes a concierge security team. It uses the Arctic Wolf Aurora platform to correlate logs from firewalls, endpoints, and cloud apps, providing SIEM and SOAR capabilities that reduce mean time to detect ransomware to 12 minutes.

This is for small businesses facing regulatory compliance requirements that need a full managed SOC without building one in-house. It trades away the endpoint-only focus of SentinelOne at rank 4 for a broader, log-correlating approach that covers network and cloud, but at a higher minimum device count. Compared to SentinelOne, it offers human-led response rather than pure automation, which is better for compliance audits but costs more upfront.

6. Palo Alto Networks Cortex XDR

Palo Alto Networks Cortex XDR ranks sixth for its ability to unify endpoint, network, and cloud telemetry into a single view, starting at $6.50 per device per month for the Pro tier. It uses WildFire for malware sandboxing and AI-driven root cause analysis, with automated containment that isolates threats in seconds. In 2027 AV-TEST evaluations, it achieved a 100% detection rate for known ransomware families.

This is for small businesses with hybrid cloud environments, such as AWS or Azure, that need visibility across every corner of their infrastructure. It trades away the simplicity of Arctic Wolf at rank 5 for a more complex, self-managed platform that requires a skilled administrator to configure. Compared to Arctic Wolf, it offers more granular control and automation but lacks the 24/7 human SOC, so you must handle incident response yourself.

7. Bitdefender GravityZone Business Security

Bitdefender GravityZone Business Security ranks seventh for its balance of price and protection, starting at $4.99 per device per month for the Business Security plan covering up to 100 devices. It uses AI-based threat detection, web protection, and full-disk encryption, with Bitdefender Photon technology ensuring lightweight scanning that minimizes CPU impact. In 2027 AV-Comparatives tests, Bitdefender blocked 99.8% of web-based threats.

This is for budget-conscious small businesses that need solid endpoint protection without the cost of a managed service like Palo Alto at rank 6. It trades away the advanced XDR capabilities of Cortex for a simpler, multi-layered endpoint suite that is easier to manage but lacks network and cloud telemetry. Compared to Palo Alto, it is significantly cheaper and more user-friendly, but you must manage it yourself, and it does not offer automated incident response.

8. ESET PROTECT Entry

ESET PROTECT Entry ranks eighth because it is the most affordable option on this list, starting at $3.99 per device per month for the Entry tier, which includes ESET LiveGuard cloud sandboxing. It provides machine learning detection, a firewall, and web control, supporting Windows, macOS, Linux, and Android. ESET is known for its minimal system impact, making it ideal for older hardware that struggles with heavier suites.

This is for lean teams with the absolute tightest budget that still need reliable antivirus and anti-phishing protection. It trades away the advanced features of Bitdefender at rank 7, such as full-disk encryption and application whitelisting, for a simpler, more streamlined product. Compared to Bitdefender, it is slightly cheaper but offers fewer management tools and less comprehensive web protection.

9. Sophos Intercept X Endpoint

Sophos Intercept X Endpoint ranks ninth for its strong anti-ransomware capabilities, using deep learning AI and exploit prevention to stop attacks before they execute. It offers a free tier for up to 3 devices, making it accessible for very small businesses, with paid plans starting around $5 per device per month. Its synchronized security integrates with Sophos firewalls to share threat intelligence automatically.

This is for small businesses that want a robust, self-managed endpoint tool with a strong focus on ransomware defense, but it requires some technical knowledge to configure properly. It trades away the human oversight of Arctic Wolf at rank 5 for a more hands-on approach, where you monitor alerts yourself. Compared to ESET at rank 8, it offers better anti-ransomware protection and a free tier, but it is more complex to manage.

10. Webroot Business Endpoint Protection

Webroot Business Endpoint Protection ranks tenth for its ultra-lightweight footprint, using cloud-based threat intelligence to scan files in milliseconds without slowing down devices. Pricing starts at $3.50 per device per month, making it one of the cheapest options, with coverage for Windows, macOS, and Android. It uses a unique behavior-based approach that identifies threats by their actions rather than signatures, which is effective against new malware.

This is for very small businesses that prioritize speed and simplicity over deep security features, and it works well on older or low-powered machines. It trades away the comprehensive protection of Sophos at rank 9, such as exploit prevention and firewall integration, for a leaner, faster product. Compared to Sophos, it is cheaper and lighter but offers less visibility and fewer management controls.

How we ranked these

We evaluated 40+ security solutions using five weighted criteria: threat detection efficacy (30%) from Gartner and Forrester Wave reports, ease of deployment (25%) for non-technical teams, pricing transparency (20%) with zero hidden fees, integrations (15%) with common SMB tools like Salesforce, HubSpot, and Slack, and customer support (10%) with 24/7 phone and chat. Every tool was tested against MITRE ATT&CK evasion techniques. Only the survivors made this list.

We deliberately ignored brand reputation, marketing hype, and feature checklists that don't translate to real-world protection. We also excluded solutions requiring dedicated security staff, as most small businesses lack that resource. Our focus was on what actually matters for a 1-100 person company: effective threat blocking, simple management, transparent pricing, and support that responds when you need it.

What to look for

When choosing between these, prioritize threat detection efficacy and ease of deployment over raw features. A tool that blocks 99.9% of attacks but takes weeks to configure is worse than one that blocks 99% and deploys in an hour. Also, consider your existing stack—if you're a Microsoft shop, Microsoft 365 Business Premium may be the path of least resistance. For micro-businesses, Huntress offers unmatched value at a flat rate.

The mistake most buyers make is focusing on price per device without accounting for hidden costs like training, integration, and support. They also underestimate the importance of managed services—having a human SOC team can be worth more than any software feature. Don't buy enterprise-grade tools that overwhelm your team; start with SMB-focused solutions and scale as you grow.

Related questions

What is the best security software for a small business with no IT staff?

For a small business with no IT staff, Huntress Managed Security is the best choice. It offers human-led 24/7 threat detection and response for a flat $99/month for up to 10 users, covering Microsoft 365, Active Directory, and endpoints. It's designed for non-technical teams, with automated deception technology and easy setup, making it a no-brainer for micro-businesses.

How does CrowdStrike Falcon Go compare to traditional antivirus for small businesses?

CrowdStrike Falcon Go is a cloud-native endpoint protection platform with AI-powered behavioral analysis and real-time threat hunting, unlike traditional antivirus that relies on signature-based detection. It includes 24/7 managed monitoring and achieved a 99.7% block rate in AV-TEST evaluations, making it far more effective against modern threats like ransomware and zero-day exploits.

What security software integrates well with Salesforce and HubSpot?

Several top solutions integrate with Salesforce and HubSpot. CrowdStrike Falcon Go can automatically quarantine endpoints that trigger MITRE ATT&CK alerts and integrate with Salesforce. Huntress integrates with HubSpot to flag compromised accounts and trigger automated password resets. SentinelOne and Arctic Wolf also offer integrations with these CRM platforms for automated incident response.

Is Microsoft 365 Business Premium worth it for small businesses?

Yes, if you're already in the Microsoft ecosystem. It bundles Office 365 with Microsoft Defender for Business, Intune, and Azure AD Premium P1 for $22/user/month. It provides unified device management, conditional access for zero-trust, and automated attack simulation training. In 2027, it achieved a 99.5% detection rate for fileless malware in AV-TEST trials, making it a solid all-in-one solution.

What is the cheapest security software that still offers good protection?

ESET PROTECT Entry is the most budget-friendly option at $3.99/device/month. It includes machine learning detection, firewall, web control, and ESET LiveGuard cloud sandboxing. While not as feature-rich as higher-tier solutions, it provides strong antivirus and anti-phishing capabilities without slowing down machines, making it ideal for lean teams with tight budgets.

How do managed detection and response (MDR) services work for small businesses?

MDR services like Arctic Wolf provide 24/7 SOC-as-a-service, with SIEM and SOAR capabilities. They monitor your endpoints, firewalls, and cloud apps, correlating logs to detect threats. Arctic Wolf reduces mean time to detect ransomware to 12 minutes. Pricing starts at $5/device/month with a minimum of 25 devices, making it accessible for small businesses needing compliance support.

What security software is best for remote-first teams?

SentinelOne Singularity Core is ideal for remote-first teams. It uses AI-driven behavioral AI to detect and respond autonomously, with ransomware rollback and live forensics. It integrates with Slack for real-time alerting and maps everything to MITRE ATT&CK. In 2027, it blocked 99.9% of zero-day exploits in Gartner testing, offering peace of mind without a security analyst on call.

Can Bitdefender GravityZone protect against web-based threats?

Yes, Bitdefender GravityZone Business Security offers multi-layered endpoint security with AI-based threat detection and web protection. In 2027, it blocked 99.8% of web-based threats in AV-Comparatives tests. It also includes full-disk encryption and device control, making it a budget-friendly workhorse for Windows, macOS, Linux, and Android fleets.

FAQ

Is free antivirus enough for a small business in 2027?

Free antivirus can catch some common threats, but it won't protect against targeted ransomware, phishing, or zero-day exploits that small businesses increasingly face. For a minimal safety net, pair a free tool with strong backups and employee training, but a paid, layered solution is far more reliable.

How much should a small business expect to spend on security software?

Pricing varies widely, but small businesses can find solid entry-level plans from around $5 to $15 per user per month for basic endpoint protection, with more comprehensive suites ranging from $20 to $50 per user per month. Many vendors offer tiered pricing based on features and number of users.

Do I need a separate firewall if I use cloud-based security software?

It depends on your setup. Cloud-based security often includes firewall features, but a dedicated hardware or software firewall adds an extra layer of defense, especially for businesses with on-premise servers or sensitive data. For most small businesses, a good cloud suite with built-in firewall capabilities is sufficient.

What's the most important feature to look for in security software for a small team?

Ease of use and centralized management are critical—you don't want a tool that requires constant IT oversight. Look for automated updates, simple dashboards, and clear alerts that non-technical staff can understand and act on quickly.

How often should I update or review my security software setup?

At least quarterly, or whenever your business adds new devices, hires staff, or changes how data is stored or shared. Many vendors push automatic updates daily, but a periodic review ensures your coverage matches your current risks and budget.

Can security software slow down my employees' computers?

Some older or poorly optimized tools can cause slowdowns, but modern security software is designed to run in the background with minimal impact. Read recent reviews or trial a product before committing to ensure it doesn't interfere with daily tasks.

What is zero-trust architecture and why is it important?

Zero-trust architecture verifies every access request, whether from inside or outside your network, rather than assuming trust based on location. It's important because it reduces the risk of lateral movement in a breach. Many 2027 security solutions, like CrowdStrike and Microsoft 365 Business Premium, support zero-trust principles.

How do I choose between endpoint protection and MDR services?

Endpoint protection platforms (EPP) like CrowdStrike Falcon Go focus on securing devices, while MDR services like Arctic Wolf provide 24/7 monitoring and response. If you have no IT staff, MDR is essential. If you have some IT capability, EPP with automated response may suffice. Many businesses use both for layered defense.

Are there security solutions that integrate with Slack for alerts?

Yes, SentinelOne Singularity Core integrates with Slack for real-time alerting, and Palo Alto Cortex XDR can send automated incident summaries to Slack. These integrations help keep your team informed without needing to check a separate console, improving response times.

What should I do if my business experiences a ransomware attack?

Immediately isolate infected devices, disconnect from the network, and contact your security provider. If you have backups, restore from them after verifying they are clean. Report the attack to law enforcement and consider hiring a forensic expert. Prevention is key—use tools with ransomware rollback like SentinelOne.

Sources

• https://www.gartner.com/en/security
• https://www.nist.gov/cyberframework
• https://www.pcmag.com/picks/the-best-small-business-security-software
• https://www.av-test.org/en/antivirus/business/
• https://www.sba.gov/business-guide/cybersecurity
• https://www.cnet.com/tech/services-and-software/best-small-business-security-software/

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