The Backup Was Right Next To The Fire
Friday afternoon, the phone rang.
Users could no longer open files. Within hours, two servers, fifteen workstations and the on-site backups were encrypted.
Then the ransom note appeared.
Briefing summary
A real ransomware incident encrypted the production environment and the local backups. The business recovered because an isolated Azure cloud backup survived outside the attack path.
What happened
The damage spread quickly
The recovery timeline
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Friday afternoon User reports files will not open Initial review Shared files show ransomware behaviour Scope confirmed 2 servers and 15 workstations encrypted Backup review On-site backups also encrypted Ransom demand Approximately $14,000 in Bitcoin requested Recovery option Azure cloud backup remains intact Weekend response Interstate recovery and rebuild begins Restore process Servers, data and workstations rebuilt Monday morning Business operations resume
The problem with nearby backups
The one thing they missed
Agent Foskett moment
What most environments miss
How defenders can prepare
Questions every organisation should ask
Related investigations
Final thought
The servers were encrypted. The workstations were encrypted. The on-site backups were encrypted too. But one Azure cloud backup remained outside the fire. Explore related investigations including The Timeline Told The Story, The Browser Spawned PowerShell, and Cyber Security Has Moved Beyond Basic Antivirus.
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