9 Best Cloud File Security Software I Evaluated for 2026

TL;DR Virtru Secure Share is the best cloud file security software as per G2’s latest Summer 2026 Grid Report for cloud file security, earning the highest G2 score of 86. Here are the other top-rated options I evaluated, broken down by use case: Check Point Email Security: Best for API-native cloud email and file threat prevention Tresorit: Best for zero-knowledge encrypted file sharing Coro Cybersecurity: Best for unified email and cloud data loss prevention Cisco Duo: Best for push-based MFA for secure cloud access MetaDefender: Best for multi-engine malware scanning and file sanitization Di