Featureβ€Š/β€ŠPlatform Dropbox OneDrive Google Drive Local NAS
Version History βœ… 30–180 days depending on plan βœ… 30 days (Personal), 93+ days (Business) βœ… 30 days or 100 versions ⚠️ Manual setup (e.g., Btrfs, snapshots)
Rewind Entire Folder/Account βœ… Full rewind (Professional/Business) βœ… Entire OneDrive (via ransomware recovery) ❌ No folder rewind; manual per-file ⚠️ If snapshotting is configured
Deleted File Recovery βœ… Up to 180 days βœ… Recycle Bin (93+ days Business) βœ… 30 days by default ❌ Unless backup/snapshot systems are present
Automatic Ransomware Detection ⚠️ None built-in βœ… Microsoft detects and alerts ❌ No direct detection ❌ Not built-in
Restore En Masse βœ… Rewind βœ… Ransomware Recovery Tool ❌ Manual only ⚠️ Scripted restore possible
Requires Pro Plan βœ… Rewind requires Professional plan βœ… Full features on Microsoft 365 plans ❌ Basic versioning available to all βœ… Requires admin setup
Shared Folder Exposure Risk ⚠️ Yes (encrypted files sync to others) ⚠️ Yes ⚠️ Yes ⚠️ Yes (if mounted/shared)
Offline Backups Supported ❌ Not natively ❌ Not natively ❌ Not natively βœ… Strong, if configured
Immutability Support ❌ No ❌ No ❌ No βœ… With proper setup (e.g., ZFS snapshots)

🏁 Summary

  • Dropbox: Strong versioning and full Rewind recovery, but limited automatic detection.
  • OneDrive: Best resilience for general users due to ransomware detection, alerts, and full account restore.
  • Google Drive: Basic versioning only; weak against mass ransomware without manual work.
  • Local NAS: Can be extremely resilient if configured with snapshots or offline backups, but vulnerable by default.

βœ… Best Ransomware Defence Strategy

Platform Recommendation
Dropbox Use Professional or Business plan with Rewind; supplement with offline backups
OneDrive Use with Microsoft 365 Business for alerts + recovery
Google Drive Use with third-party backup (e.g. Spanning, Backupify)
Local NAS Implement automated snapshots and offline backup rotation

August 2, 2025


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