Top 10 Best Small Business Antivirus Software of 2026

Bitdefender GravityZone Business Security is a cloud-managed endpoint protection platform tailored for small businesses, delivering multilayered defense against malware, ransomware, and advanced threats using AI-driven detection and behavioral analysis. It includes essential tools like patch management, firewall control, web protection, and risk analytics, all accessible via an intuitive centralized console. This solution scales effortlessly from a few devices to larger deployments, ensuring robust security without requiring dedicated IT resources.

ESET PROTECT Entry is a cloud-based endpoint security platform tailored for small businesses, offering robust antivirus, anti-malware, ransomware protection, and exploit blocking. It features a centralized management console for easy deployment and monitoring across up to 25 Windows, macOS, and mobile devices. The solution emphasizes lightweight performance with ESET's multilayered detection engine, ensuring minimal impact on business operations while providing real-time threat intelligence.

Norton 360 for Small Business offers comprehensive antivirus protection tailored for small teams, covering up to 20 devices across Windows, Mac, Android, and iOS with real-time threat detection, firewall, VPN, password manager, and cloud backup. It features a centralized dashboard for easy management without needing IT expertise, protecting against viruses, ransomware, phishing, and web exploits. The solution includes 24/7 support and a virus protection promise, making it suitable for businesses prioritizing straightforward security.

Kaspersky Endpoint Security Cloud is a cloud-based security platform tailored for small and medium businesses, offering comprehensive endpoint protection against malware, ransomware, and advanced threats. It includes antivirus, firewall, web filtering, application control, vulnerability assessments, and basic EDR capabilities, all managed through an intuitive online console. This solution enables quick deployment across Windows, macOS, Linux, Android, and iOS devices without requiring on-premises servers.

Avast Business Antivirus Pro Plus is a robust endpoint security solution tailored for small businesses, providing real-time protection against malware, ransomware, phishing, and advanced threats through multiple shields including file, web, email, and behavior monitoring. It features a centralized cloud-based management console (Avast Business Hub) for easy deployment, monitoring, and policy enforcement across devices. Additional tools like firewall, Wi-Fi Inspector, software patch management, and remote assistance enhance security without requiring extensive IT expertise.

Trend Micro Worry-Free Business Security is a cloud-based antivirus and endpoint protection platform tailored for small businesses with up to 100 devices. It offers real-time threat detection, ransomware rollback, web and email filtering, and centralized management via an intuitive online console, eliminating the need for on-premises servers. The solution includes device control, application blocking, and compliance tools to help maintain security without requiring extensive IT expertise.

Sophos Intercept X for Small Business is a robust endpoint protection solution tailored for small and medium-sized enterprises, delivering next-generation antivirus, exploit prevention, and ransomware defense powered by deep learning AI. It includes web protection, device control, patch assessment, and optional 24/7 managed threat response for comprehensive security without requiring in-house expertise. The cloud-based management console simplifies deployment and oversight across endpoints, servers, and mobile devices.

Malwarebytes Nebula is a cloud-based endpoint protection platform tailored for small businesses, offering real-time antivirus, anti-ransomware, and endpoint detection and response (EDR) capabilities. It features a centralized Nebula Console for easy management of devices across Windows, macOS, and mobile endpoints. The solution emphasizes quick deployment, automated threat remediation, and vulnerability management to protect against malware, exploits, and advanced threats without requiring on-premises hardware.

Microsoft Defender for Business is a cloud-native endpoint protection platform tailored for small businesses with up to 300 employees, offering next-generation antivirus, endpoint detection and response (EDR), and automated investigation capabilities. It leverages AI-driven behavioral analysis and integrates deeply with the Microsoft 365 ecosystem for streamlined security management via the Microsoft 365 Defender portal. The solution supports Windows, macOS, Linux, iOS, and Android devices, providing comprehensive protection against malware, ransomware, and advanced threats.

Webroot Business Endpoint Protection is a cloud-based antivirus solution tailored for small businesses, offering lightweight endpoint security with real-time threat detection powered by machine learning and behavioral analysis. It provides centralized management through a web console, enabling easy deployment and monitoring across multiple devices with minimal system impact. The software excels in rapid scans and low resource usage, making it suitable for resource-constrained environments.