Digital Forensics & Litigation
Preserve and examine evidence, manage discovery, or find an expert for a business dispute.
Explore forensic and litigation servicesDIGITAL FORENSICS. EXPERT TESTIMONY. SECURITY TESTING.
Forensics and Cybersecurity Experts with Decades of Experience
GDF examines digital evidence for businesses and counsel and assesses cybersecurity risk for technology leaders. We help you preserve records, understand findings and plan the next step.
Independent work, documented so another expert can check it.
Find the work you need
Enterprise Cybersecurity
Scope a penetration test, assess industrial systems, review code, or prepare for an incident.
Explore cybersecurity services- Since 1992
- 24/7 incident response
- Court-tested experts
- National and global reach
Start with your priority
What do you need to resolve?
For businesses and counsel
Digital Forensics & Litigation
Preserve and examine records for business disputes, employee departures and litigation. Get clear findings, discovery support and expert testimony.
- Computer, email and cloud forensics
- eDiscovery for law firms
- eDiscovery collections and processing
- Expert witness and neutral examinations
- Meet the forensic experts
For business and technology leaders
Enterprise Cybersecurity
Define an assessment around the systems you operate, the risks you face and the decisions your team needs to make.
Explore cybersecurity servicesSelected outcomes
Evidence from completed matters.
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$228 million initial judgment
GDF describes reconstructing biometric data for counsel. The initial $228 million damages award was vacated for a damages retrial; a later agreement provides a $75 million settlement fund.
Read the public-record case study -
Reconstructed securities records
Trading data was reconciled and organized so counsel and industry experts could evaluate transaction patterns and damages assumptions.
Read the case study -
Recovered drug-diversion records
Recovered email, purchase and shipping records were supplied to prosecuting authorities with the physical evidence. The case describes the sources and their limits.
Read the case study -
Federal court credibility finding
A federal court described GDF expert testimony as reasonable, logical, and ultimately highly credible.
Read the public-record case study
Choose the work your matter needs.
Computer & Digital Forensics
Preserve and examine computer, email and cloud evidence.
Expert Witness Testimony
Connect technical findings to clear reports, deposition and testimony.
eDiscovery
Coordinate preservation, collection, processing, review support and production.
Cybersecurity & Penetration Testing
Test controls, validate findings and prioritize remediation.
SCADA & OT Security
Assess industrial systems around safety and operating constraints.
AI Security Consulting
Review governance, architecture and the behavior of AI-enabled systems.
The people behind the findings
Match the examiner to the evidence.
Database and source-code analysis. Mobile and vehicle evidence. Computer examinations and expert testimony. Meet three of our forensic experts and discuss the qualifications your matter needs.
Meet the forensic experts Discuss your matterSoftware built around the work.
Check each product page for the workflow you need, then request a walkthrough to confirm current access, supported versions and evaluation terms.
Explore GDF softwareIncident response and retainer programs · Insights and practical guidance · Locations and coverage
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