Ransomware Recovery Infrastructure
Ransomware attacks assume you have no viable backup. We build infrastructure that breaks that assumption — immutable backups in isolated accounts, air-gapped copies, and pre-built recovery environments. When ransomware hits, you restore from clean backups instead of paying the ransom.
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Immutable Backup Architecture
The foundation of ransomware resilience is backups that cannot be encrypted or deleted by an attacker. We implement S3 Object Lock in Compliance mode, cross-account replication to an isolated AWS account, and offline copies to tape or disconnected storage for critical data. The 3-2-1-1 rule: three copies, two media types, one offsite, one immutable. Every backup in the chain is verified for integrity before the retention clock starts.
Isolated Recovery Environment
We pre-build a recovery environment in an isolated account or VPC — clean AMIs, Terraform modules, and automation scripts stored in the immutable backup account. When ransomware hits production, you do not rebuild from scratch. You deploy the pre-built environment, restore data from immutable backups, and cut over DNS. The recovery environment is tested quarterly as part of DR drills. Recovery time: hours, not weeks.
Detection and Containment
While recovery is the goal, early detection limits blast radius. We configure file integrity monitoring (AIDE, Wazuh), anomaly detection on backup job metrics (sudden increase in backup size indicates encryption), and canary files in common ransomware target directories. Automated containment scripts isolate compromised instances from the network within seconds of detection.
Recovery Playbook and Drills
The ransomware recovery playbook covers: initial detection and containment, forensic evidence preservation, communication procedures, backup integrity verification, recovery environment deployment, data restoration, and post-recovery validation. We run tabletop exercises with your team and full technical drills annually. The drill includes deploying the isolated recovery environment and restoring a full dataset from immutable backups.
Why Anubiz Engineering
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