Building a Ransomware-Resistant Backup Plan

Backups reduce ransomware impact only when attackers and infected devices cannot silently encrypt or delete every copy.

Who this guide is for

Individuals and small organizations designing a recoverable backup routine.

Practical checklist

1. Keep at least three copies of important data across two storage types, with one copy offline or isolated.
2. Protect backup administration with separate credentials and multi-factor authentication.
3. Define how long older versions and deleted files are retained.
4. Test sample restores on a schedule and record the time and steps required.
5. Include licence keys, recovery codes, device settings, and critical documents in recovery planning.

Common mistake to avoid

Calling a continuously connected sync folder a complete backup strategy.

A safer way to proceed

Maintain multiple tested copies, including one that ordinary device accounts cannot rewrite.

Product features, prices, eligibility, and policies can change. Confirm important details on the provider’s official website before purchasing, renewing, changing account settings, or acting on a security alert. If an incident may involve financial loss, sensitive personal data, or a business network, consider qualified professional help and the appropriate official reporting channel.