Top 10 Best Small Business Security Software of 2026

Bitdefender GravityZone Business Security is a cloud-managed endpoint protection platform tailored for small to medium-sized businesses, delivering multilayered defense against malware, ransomware, phishing, and advanced threats. It includes antivirus, behavioral analysis, web and device control, firewall, patch management, and risk analytics via a unified console supporting Windows, macOS, Linux, and virtual machines. With hypervisor introspection and machine learning-driven detection, it ensures low system impact while providing scalable security without on-premises hardware.

Microsoft Defender for Business is a cloud-native endpoint security solution tailored for small and medium-sized businesses, offering next-generation antivirus, endpoint detection and response (EDR), automated investigation, and vulnerability management. It integrates seamlessly with the Microsoft 365 Defender portal for centralized management and visibility across endpoints. Designed for up to 300 users, it leverages Microsoft's vast threat intelligence for proactive protection against malware, ransomware, and advanced attacks.

Norton Small Business is a comprehensive cybersecurity suite designed for small businesses with up to 20 devices, offering antivirus, anti-malware, firewall, and web protection. It includes additional tools like a VPN, password manager, and 50GB cloud backup per device for enhanced data security and privacy. The platform features an easy-to-use online dashboard for centralized management and 24/7 support, making it suitable for teams without dedicated IT staff.

Avast Business Antivirus Pro Plus is a comprehensive endpoint security solution designed for small businesses, providing multi-layered protection against viruses, malware, ransomware, and advanced threats across Windows, macOS, and Linux devices. It includes a cloud-based management console for remote deployment, monitoring, and policy enforcement. Additional features like firewall, email protection, Wi-Fi security, and automated patch management help secure business networks without requiring extensive IT resources.

Malwarebytes Endpoint Protection is a cloud-managed endpoint security solution designed to protect small business devices from malware, ransomware, and exploits. It offers real-time scanning, behavioral threat detection, and automated remediation through an intuitive Nebula cloud console for easy deployment across Windows, macOS, and other endpoints. Ideal for resource-constrained IT teams, it focuses on lightweight protection without overwhelming system resources.

Sophos Intercept X for Server is a robust endpoint detection and response (EDR) solution tailored for protecting Windows and Linux servers in small business environments. It leverages deep learning AI, exploit prevention, and CryptoGuard ransomware protection with automatic file rollback to combat advanced threats. The platform integrates with Sophos Central for centralized cloud management and optional 24/7 Managed Threat Response (MTR) services.

Trend Micro Worry-Free Business Security is a cloud-managed endpoint protection solution tailored for small businesses, offering antivirus, ransomware protection, email security, and web filtering. It features a centralized web console for easy deployment and monitoring across devices without needing on-premises servers. Automated updates and patch management simplify maintenance for IT-light teams, while AI-powered detection targets advanced threats.

ESET PROTECT Entry is a cloud-managed endpoint security platform designed for small businesses with up to 25 devices across Windows, macOS, Linux, and Android. It delivers ESET's renowned multilayered protection, including antivirus, anti-ransomware, exploit blocker, and firewall capabilities through a simple web-based console. The solution emphasizes low system impact and easy deployment, enabling centralized monitoring and policy management without on-premises hardware.

Kaspersky Endpoint Security for Small Office is a tailored security solution for small businesses, protecting up to 50 endpoints across Windows, macOS, and mobile devices from malware, ransomware, phishing, and exploits. It features antivirus, firewall, web filtering, application control, and vulnerability assessments, all managed via an intuitive cloud console. This enables easy deployment and monitoring without requiring dedicated IT resources.

Webroot Business Endpoint Protection is a cloud-managed antivirus solution tailored for small businesses, focusing on endpoint security against malware, ransomware, and phishing. It leverages machine learning and behavioral analysis for real-time threat detection, avoiding heavy signature databases for a lightweight footprint. The centralized console enables easy deployment, monitoring, and policy management across devices.