The Golden Rule: 3-2-1
Don't put all your eggs in one basket. To guarantee your data survives modern threats, follow this formula:
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3 Copies
Total copies of your data. (1 Original + 2 Backups)
💿☁️
2 Types
Different media types. (e.g., Hard Drive + Cloud)
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1 Offsite
Far away from your house/office. (e.g., The Cloud)
⚠️ The New Threat: Ransomware
Today, the 3-2-1 rule isn't enough because hackers can lock your computer AND your attached backup drive.
We need two extra numbers (3-2-1-1-0):
- 1 Immutable/Offline Copy: A backup that cannot be changed (Read-Only) or is physically unplugged (Air-Gapped).
- 0 Errors: You must TEST your backups (Restore Test) to ensure there is no data rot.
Find Your Perfect Backup Strategy
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1. Who are you?
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🔥 The Disaster Simulator
Build your defense and see if it survives a disaster.