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Ransomware Incident: Preservation Considerations

Primary query focus

Ransomware evidence preservation checklist: what to capture and how to document it for later investigation.

  • Preserve logs (EDR, firewall, AD, VPN), ransom notes, and impacted host details.
  • Capture timelines and screenshots without overwriting key artifacts.
  • Prepare a structured evidence package for insured/counsel review and specialist escalation.

Boundary note: this page describes preservation planning and documentation mechanics. Legal strategy, admissibility, and investigative conclusions remain with counsel and/or separately retained experts.

Content reviewed for preservation relevance.

Internal reference: D365-INS-RANSOM-001

Placeholder: This page is reserved for a future incident-based preservation note. It is not published or promoted in navigation until reviewed.

Preservation Focus

Ransomware response often requires rapid restoration and operational rebuilding. Preservation considerations typically include identifying key evidence sources (systems, logs, backups, cloud artifacts, communications), limiting unnecessary handling of originals, and documenting each transfer and verification step.

Handling Record

A clear technical record of collection, transfer, storage, access control, and integrity verification supports defensible handling. This page will be finalized with incident-neutral language and a single public reference source when published.

Evidence pages Ask a scope question

Related guides

Helpful pages for attorneys, insurers, and compliance teams.

Defensible Evidence Documentation for Legal and Insurance Matters

What You Receive

  • Chain-of-Custody Record (PDF)
  • Acquisition Log and Handling Notes
  • Hash Verification Record (where applicable)
  • Storage / Device Metadata Sheet (where applicable)
  • Delivery Manifest and Verification Outputs

Documentation is produced contemporaneously and maintained in accordance with defined handling procedures. These records are commonly used to support internal review, insurance claims handling, and legal preservation obligations. No legal analysis, content interpretation, or evidentiary conclusions are provided.

Related guides

If you are evaluating preservation steps or planning next actions, these guides cover common questions and handoff boundaries.