ADVANCED FORENSIC INVESTIGATIVE SOLUTIONS

Press & Media.

AFIS is a boutique professional services firm that provides digital forensics, cyber investigations, deep and dark web intelligence, threat hunting, electronic discovery, and expert witness services to law firms, corporations, and government agencies.

Big 4 experience without the overhead.

We take the work seriously. Ourselves, not so much.

Industry Recognition

Advanced Forensic Investigative Solutions, Top Digital Forensics Services Provider 2026 award badge

Enterprise Security Magazine

Top Digital Forensics Services Provider

Media Inquiries

Everyone loves a good mystery. Lawyers get the expensive ones. And Sergio has seen some things.

Sergio Kopelev, Operating Partner at AFIS, seated in an office with his hands and watch visible

Sergio Kopelev is the Operating Partner of Advanced Forensic Investigative Solutions and serves as the firm's media contact. He is a digital forensics, eDiscovery, and cybercrime expert with more than 30 years of investigative experience in both law enforcement and the private sector, including senior management positions with companies such as Stroz Friedberg / AON, KPMG, Deloitte, Consilio, Huron, and Control Risks.

Sergio has led complex investigations, incident response teams, and forensic efforts for Fortune 10 companies, global law firms, and government agencies in the U.S. and abroad. He has a proven track record of success in employee misconduct, breach response, IP theft, FCPA, Second Request, and other regulatory investigations.

Sergio has published articles in the Los Angeles Daily Journal, Nevada Lawyer and Law Enforcement Technology Magazine. He has also appeared on CNN and National Public Radio and been interviewed by the Los Angeles Times as an industry expert in computer forensics. He is a highly qualified expert witness with extensive experience testifying in various jurisdictions. Before transitioning to consulting, Sergio served in law enforcement and founded one of the nation's first Internet Crimes Against Children task forces for the U.S. Department of Justice.

Selected Coverage

In the News.

CNN.TELEVISION

JANUARY 29, 2002

Could high-tech footprints help find Daniel Pearl?

Live interview with Bill Hemmer about tracing email evidence.

Read Transcript
NPRRADIO

JANUARY 28, 2015

Officers ask map app to remove police tracking

Morning Edition interview about Waze, law enforcement, and public safety.

Listen / Read
LA/TIMESPRINT

FEBRUARY 6, 2002

Cutting Edge of Secrecy

Quoted on recovering electronic evidence during coverage of the Enron investigation.

Read Article

Archive note: CNN's original 2002 transcript misspells Kopelev's surname as “Kepelev.”

Selected Publications

From the archives. We were talking cybercrime long before ChatGPT or Claude joined the conversation.

Opening page of Cracking Computer Codes by Sergio Kopelev, Law Enforcement Technology, January 2000

JANUARY 2000 · LAW ENFORCEMENT TECHNOLOGY

Cracking Computer Codes

Digital evidence and computer forensic investigations.

Opening page of Corrections Technology Today and Tomorrow by Sergio Kopelev, May 2000

MAY 2000 · LAW ENFORCEMENT TECHNOLOGY

Corrections Technology Today and Tomorrow

Technology and management in correctional facilities.

Opening page of Cyber Sex Offenders by Sergio Kopelev, November 1999

NOVEMBER 1999 · LAW ENFORCEMENT TECHNOLOGY

Cyber Sex Offenders

Early investigative approaches to online crimes against children.

Media Inquiries

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