Immutable Backups: Ransomware-Resistant Data Protection
Modern ransomware targets your backups first. Immutable storage prevents attackers from cutting your last lifeline.
Attackers know that a company only pays the ransom if recovery is impossible. That's why hackers now specifically target backup servers and cloud snapshots. Our <a href="https://ccsolutions.io/de/leistungen/data-back-up-and-recovery/">Data Backup & Recovery</a> service relies on 'Immutability', data that cannot be modified or deleted for a defined period after being written.
The most common challenges
Encryption of Backups by Ransomware
Traditional backups are writable by the operating system. If an attacker gains admin rights, they can encrypt backup files before attacking primary data.
Insider Threats and Intentional Deletion
Disgruntled employees or compromised administrator accounts can delete backups to cause permanent business disruption. Without immutability, there is no technical safeguard against this.
The CCsolutions approach
CCsolutions implements 'Object Lock' mechanisms on S3 storage or Linux Hardened Repositories. Using the WORM (Write Once, Read Many) principle, data is physically locked against deletion for the duration of the retention period, even for root users or cloud administrators.
We combine immutability with 'Air-Gapping' principles in the cloud. Backups are replicated to isolated accounts that no production system can access directly. A breach in main infrastructure does not lead to the loss of backups.
Our monitoring detects anomalies in backup size or entropy (an indicator of encryption) immediately, ensuring you are warned before ransomware inflicts its full damage.
Technologies
Frequently asked questions
Can I delete immutable backups myself if I need space?
No, that's exactly the point. Within the 'Compliance Mode' retention period, no one, not even the cloud provider's support, can delete this data.
Is this more expensive than normal backup?
Storage costs are identical. There is only a minor administrative effort for initial setup and planning the retention policies.
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