Digital forensics service providers

Data as of Oct 3, 2026A topic in Digital Forensics Services.Reviewed by Dimitry Apollonsky

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We are investigating a data breach. Who performs digital forensics?
Google AI ModeOct 3, 2026
1Mandiant
2CrowdStrike
3Kroll
4Federal Bureau of Investigation (FBI)
When investigating a data breach, digital forensics is typically performed by a combination of specialized internal teams, external cybersecurity consultants, and sometimes law enforcement.

The primary roles and professionals who handle digital forensics include:

Digital Forensics and Incident Response (DFIR) Specialists : Dedicated professionals who specialize in identifying, containing, and analyzing cyberattacks. They isolate compromised systems, extract forensic artifacts, and perform deep-dive analysis on memory, logs, and disk images.

Computer Forensic Investigators / Analysts : Experts trained specifically to collect, preserve, and analyze electronic evidence while strictly maintaining a legal chain of custody . They recover deleted or hidden files, decrypt data, and piece together the timeline of how an intrusion occurred.

Third-Party Incident Response Firms : When an organization lacks internal capacity, they typically hire specialized cybersecurity retainer firms (such as Mandiant, , , or major advisory firms) to deploy rapid-response forensic teams.

ChatGPT SearchOct 3, 2026
1Federal Bureau of Investigation (FBI)
2Computer Analysis Response Team
Digital forensics during a data-breach investigation is typically performed by digital forensic investigators/examiners, often as part of a broader incident response (IR/DFIR) team.

Common roles include:
What firms specialize in digital forensics for data breach investigations?
We've had a security incident and need to hire a firm that specializes in digital forensics to investigate the breach.

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Internal Security Operations Center (SOC) & Threat Hunters : In larger organizations, internal security analysts with cross-training in forensics may kick off the initial triage and log analysis before handing off to specialized investigators.

Law Enforcement Cyber Units : If the breach involves national security, major organized crime, or extreme extortion, agencies like the FBI (in the U.S.) or local cybercrime divisions may step in to perform parallel forensic investigations.

If you are planning your response to the breach, would you like to know about:

The immediate containment steps you should take right now?
How to preserve evidence without contaminating it?
Top incident response firms available for hire?

Sources cited in this answer3

Digital Forensics Investigator / Examiner — identifies, preserves, collects, and analyzes evidence such as disk images, memory, logs, email, and network data. NIST describes digital forensics as identifying, collecting, examining, and analyzing data while preserving its integrity and chain of custody.

Incident Response Analyst — investigates the breach, determines scope and attack activity, and coordinates containment and recovery. CISA/NIST treat forensic analysis as an important component of incident response.

Cybersecurity/Forensics Consultant — an external specialist hired when an organization lacks internal DFIR expertise or needs an independent investigation. CISA identifies roles such as corporate forensics analyst, cybersecurity investigator, digital forensics investigator, and forensics consultant.

Law-enforcement forensic specialists — if the breach involves suspected criminal activity, agencies such as the FBI may conduct or support forensic examinations. The FBI's Computer Analysis Response Team provides digital-forensics services for investigations.

For an actual breach, the investigation should generally be coordinated with IT/security, management, and legal counsel, particularly if evidence might ultimately be used in litigation or a criminal investigation. NIST specifically recommends consulting management and legal counsel regarding applicable legal and regulatory requirements.

If you're investigating a specific breach, I can also outline who should be on the investigation team and what evidence they should preserve first.

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