Best Windows Security Software

Cross-platform cloud backup for personal files, servers, and MSP client environments.

Data-centric encryption and access control for email, files, and SaaS apps.

Fast, simple, and modern VPN for secure networking

Integrated IT and OT security gateway platform for business and industrial networks.

A free, secure notes app with audited end-to-end encryption and cross-platform sync.

Free, open-source file and email encryption for Windows built on GnuPG.

Next-generation firewall appliances with AI-powered threat protection and zero trust access.

Secure, private, and anonymous internet browsing without personal info

Comprehensive protection for your digital life (formerly Kaspersky Total Security)

Reboot to restore your PC, Mac, or server to a pristine state.

Fast and secure backup and versioning for files and directories

End-to-end encrypted, ad-free email with quantum-safe cryptography.

Password manager with encrypted vault, biometric login, and local Wi-Fi or cloud sync.

Free-tier malware protection with Wi-Fi scanning and a file shredder

Fast, secure browsing with built-in AI assistance

Secure cloud storage with end-to-end encryption and generous free space

A fast, secure Chromium‑based browser built for privacy.

Metadata-driven document management platform that connects files to business context for AI-ready governance.

Securely store and generate passwords

Easy, secure WireGuard networking with 2FA

Multi-layered threat detection with secure banking and anti-ransomware

Fast, secure, efficient backup program

Fast, simple, and secure web browsing

Secure, fast internet with Cloudflare’s free VPN‑like service