Top 10 Best Business Internet Security Software of 2026

Zscaler is a cloud-native security platform providing secure web gateway (SWG), firewall-as-a-service (FWaaS), zero trust network access (ZTNA), cloud access security broker (CASB), and data loss prevention (DLP) for businesses. It inspects all internet traffic in real-time using AI/ML-driven threat detection, preventing malware, phishing, ransomware, and data exfiltration without relying on VPNs or hardware appliances. Designed for distributed workforces, it enforces consistent zero trust policies globally via its massive proxy network spanning 150+ data centers.

Palo Alto Networks Prisma Access is a cloud-delivered Secure Access Service Edge (SASE) platform that provides comprehensive security for remote users, branch offices, and mobile endpoints. It integrates firewall-as-a-service (FWaaS), zero trust network access (ZTNA), secure web gateway (SWG), cloud access security broker (CASB), and data loss prevention (DLP) to protect internet-bound traffic and SaaS applications. Leveraging AI-driven threat prevention and autonomous operations, it ensures consistent policy enforcement across global locations with minimal latency.

Cisco Umbrella is a cloud-delivered security platform specializing in DNS-layer protection, secure web gateway (SWG), and cloud firewall capabilities to safeguard businesses from malware, phishing, ransomware, and other internet threats. It enforces security policies at the DNS level to block malicious domains before connections are established, while also providing full proxy inspection, data loss prevention, and roaming client protection. Integrated with Cisco's broader ecosystem, it offers scalable threat intelligence powered by Talos for real-time defense across networks, endpoints, and remote users.

Netskope is a leading cloud-native security platform delivering Secure Access Service Edge (SASE) capabilities, including Secure Web Gateway (SWG), Cloud Access Security Broker (CASB), Zero Trust Network Access (ZTNA), and Cloud Firewall. It secures internet traffic, SaaS applications, and private apps for businesses by providing real-time threat prevention, data protection, and granular policy enforcement. Ideal for distributed workforces, it replaces legacy VPNs with secure, anywhere-access without performance compromises.

CrowdStrike Falcon is a cloud-native endpoint detection and response (EDR) platform designed for businesses to protect endpoints, cloud workloads, and identities from advanced cyber threats. Leveraging AI and machine learning, it provides real-time threat prevention, detection, and automated response capabilities across the internet-exposed attack surface. The platform's lightweight single agent simplifies deployment while offering deep visibility and managed threat hunting services for rapid incident remediation.

Microsoft Defender for Endpoint is an enterprise-grade endpoint detection and response (EDR) solution that delivers advanced threat protection for Windows, macOS, Linux, Android, and iOS devices. It combines next-generation antivirus, behavioral analysis, cloud-delivered protection, and automated investigation to defend against sophisticated cyberattacks, including ransomware and zero-day exploits. As part of the Microsoft 365 Defender suite, it provides unified visibility and response across endpoints, identities, and cloud apps, making it a cornerstone for business internet security in Microsoft-centric environments.

Fortinet FortiSASE is a cloud-delivered Secure Access Service Edge (SASE) platform that integrates networking and security for secure remote access to applications and the internet. It combines SD-WAN, firewall-as-a-service (FWaaS), zero-trust network access (ZTNA), secure web gateway (SWG), and cloud access security broker (CASB) with Fortinet's battle-tested FortiOS security engine. This solution enables businesses to protect distributed workforces and branch offices without traditional hardware appliances, leveraging a global network of points of presence (PoPs) for low-latency performance.

Check Point Harmony Connect is a cloud-native secure internet access solution that delivers enterprise-grade threat prevention for distributed workforces, branch offices, and mobile users. It provides real-time protection against malware, phishing, ransomware, and zero-day exploits through AI-powered engines, URL filtering, sandboxing, and zero-trust access controls. As a SaaS platform, it eliminates the need for on-premises hardware, offering scalable security directly from global Points of Presence (PoPs) for low-latency performance.

Sophos Firewall is a next-generation firewall (NGFW) solution that delivers comprehensive protection for business networks against internet threats, including malware, ransomware, and advanced persistent threats. It combines deep packet inspection, web filtering, application control, VPN, and SD-WAN in a unified platform, with centralized management via Sophos Central. The solution supports hardware appliances, virtual instances, and cloud deployments, integrating seamlessly with Sophos endpoint security for synchronized threat response.

Trend Micro Apex One is a robust endpoint security platform designed for businesses, offering next-generation antivirus, endpoint detection and response (EDR), and advanced threat protection against malware, ransomware, and zero-day attacks. It features centralized management via a web console, vulnerability shielding, and device control to secure endpoints across Windows, macOS, Linux, and virtual environments. The solution integrates with Trend Micro's broader XDR ecosystem for enhanced visibility and automated response.