Ransomware Recovery Starts Before the Attack
A business cannot build a recovery plan during the middle of a ransomware event and expect it to go smoothly. Recovery planning needs to happen before systems are encrypted, accounts are compromised, and employees are waiting for direction.
The backup system is critical, but it is only one part of recovery. The business also needs documentation, clean credentials, network isolation steps, communication procedures, vendor contacts, and a clear order of restoration.
What Ransomware Tries to Do
- Encrypt files on workstations and servers
- Spread through shared folders
- Delete or encrypt reachable backups
- Steal credentials
- Disable security tools
- Exfiltrate data
- Pressure the business with downtime and threats
Backup Requirements for Ransomware Recovery
- Protected backup credentials
- Off-site or isolated recovery copy
- Immutable retention where practical
- Monitoring and alerting
- Documented restore procedures
- Periodic restore testing
- Recovery points old enough to predate the compromise
Do Not Restore Into the Same Problem
Restoring data before understanding the scope can recreate the problem. If accounts are still compromised, malware is still active, or the original entry point is still open, restored systems may be attacked again.
Recovery Priorities
The business should decide which systems come back first. For some organizations, that may be Microsoft 365 and accounting. For others, it may be a point-of-sale system, file server, front desk system, phones, or line-of-business software.
Credential Reset Planning
Ransomware recovery often requires password resets, MFA review, administrator account cleanup, VPN review, and Microsoft 365 sign-in review. Credentials should not be treated as automatically trustworthy after an attack.
Communication Matters
Employees, customers, vendors, insurance contacts, legal counsel, and law enforcement may all be part of the communication plan depending on the event. Improvised communication during a crisis increases confusion.
Frequently Asked Questions
Can backups help recover from ransomware?
Yes, if backups are protected, recent enough, tested, and not deleted or encrypted by the attacker.
What should a ransomware recovery plan include?
It should include isolation steps, contact lists, backup verification, restore priorities, credential resets, communication procedures, and documentation.
Should systems be restored immediately after ransomware?
Not before understanding the scope. Restoring into an actively compromised environment can cause reinfection or further damage.
Do immutable backups help with ransomware?
Yes. Immutable backups can preserve recovery points that attackers cannot easily change or delete during the protected period.
What is the first step after ransomware is discovered?
Disconnect affected systems from the network, preserve evidence where appropriate, notify the response team, and avoid wiping systems before the scope is understood.