Independent technical practice
Resources
Reference material written for people who have to work with digital evidence without being forensic examiners themselves.
Reference library
Digital evidence guides and glossaries
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Digital Forensics FAQ
Answers to the questions clients ask before an engagement: how examinations work, when to involve an examiner, and how evidence is preserved.
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Cybersecurity Acronym Glossary
The acronyms used across forensics, incident response, operational technology and regulatory practice, expanded and explained in plain language.
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Cybercrime Terminology
Plain-language definitions of the attack techniques, tooling and terminology that appear in incident reports, pleadings and breach notifications.
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Common Digital Evidence Mistakes
What most often damages digital evidence before an examiner ever sees it, and what to do instead when a matter is first identified.
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The Digital Forensics Process
A step-by-step walkthrough of an examination, from preservation and imaging through analysis, reporting and testimony.
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Cybersecurity & Forensics Glossary
188 definitions covering cyber threats, digital evidence, AI security, OT and SCADA, network controls, identity and compliance terminology.
This library includes references from evestigate.com and GDF's New York sites. Historical material reflects its original context; current engagement scope is set case by case.
Talk with an examiner
Discuss the matter and the next step.
Call to discuss timing, scope and the safest way to share information. Do not send evidence or credentials by email.
24/7 hotline: 1-800-868-8189
OT assessment and readiness guidance
Water & Wastewater Cybersecurity Assessment
Treatment operations, vendor access, recovery and evidence for the applicable program.
Prepare for a Maritime Cybersecurity Assessment
Organize the operating boundary, responsible people, records and testing safeguards.
Maritime Assessment Deliverables Preview
See how scope, evidence, findings, corrective actions and recovery records fit together.
Water and Energy Assessment Guides
Free file and email tools
Inspect available metadata or read an email header without sending the input to GDF. Download a local report, then discuss a professional examination if needed.
Free Metadata Analyzer · Email Header Analyzer · All free tools
OT assessment planning library
Download the four sector packs and 50-state companion, or create a workbook set for your states, ownership and operating scope.
New York utility audit planning
The New York utility audit collection provides a planning manual, editable project records and official-source references. It identifies unresolved authority and entity-specific decisions.
Read the NY utility planning pack or customize a utility audit workbook set.