| name | validating-backup-integrity-for-recovery |
| description | Use when validating backup integrity through cryptographic hash verification, automated restore testing, corruption detection, and recoverability checks to ensure backups are reliable for disaster recovery and ransomware response scenarios. |
| domain | cybersecurity |
| tags | ["incident-response","backup","integrity","hash-verification","restore-testing","disaster-recovery"] |
| subdomain | incident-response |
| version | 1.0 |
| author | oyi77 |
| license | Apache-2.0 |
| nist_csf | ["RS.MA-01","RS.MA-02","RS.AN-03","RC.RP-01"] |
Validating Backup Integrity For Recovery
Overview
Cybersecurity skill for validating backup integrity for recovery. Follows industry best practices and security standards.
When to Use
Trigger phrases:
- "validating backup integrity for recovery"
- "Validate backup integrity through cryptographic hash verification, automated res"
Use this skill when:
- Verifying backup integrity before relying on backups for ransomware recovery
- Building automated backup validation pipelines that run after each backup job
- Auditing backup infrastructure to confirm recoverability for compliance (SOC 2, ISO 27001, NIST CSF RC.RP-03)
- Detecting silent data corruption (bit rot) in backup storage before a disaster occurs
- Validating that immutable or air-gapped backups have not been tampered with
Do not use for initial backup configuration or scheduling. This skill focuses on post-backup validation.
When NOT to Use
- When you lack proper authorization for testing
- For production systems without change management
- When the task requires legal or compliance expertise beyond technical scope
Prerequisites
- Access to backup storage (local, NAS, S3, Azure Blob, GCS)
- Python 3.9+ with
hashlib (standard library)
- Backup manifests or baseline hash files for comparison
- Isolated restore environment for restore testing
- Backup tool CLI access (restic, borgbackup, rclone, or vendor-specific)
Workflow
import re
IOC_PATTERNS = {
"ip": r"\b(?:\d{1,3}\.){3}\d{1,3}\b",
"domain": r"\b[a-z0-9-]+\.[a-z]{2,}\b",
"hash_md5": r"\b[a-f0-9]{32}\b",
"hash_sha256": r"\b[a-f0-9]{64}\b",
}
def extract_iocs(text: str) -> dict:
return {k: re.findall(v, text) for k, v IOC_PATTERNS.items()}
