4D​ISS

About 4d​iss

Harry A. Lidsky (Founder)

4DISS was founded by Harry Lidsky in 2023, following his retirement after 24 years of federal government service. Harry is a dynamic and innovative leader with a distinguished career in federal law enforcement and the intelligence community. During his tenure, Harry identified a need for tailored and creative investigative and security solutions.


Prior to starting 4DISS, Harry served in various senior leadership positions within the U.S. government.  From March 2010 - September 2023, Harry worked for the Department of Justice - Office of the Inspector General, serving as a Senior Special Agent, Assistant Special Agent in Charge, and Special Agent in Charge of the Cyber Investigations Office.  As SAC, Harry led the DOJ-OIG team of insider threat, cyber security and digital forensic experts who investigated and prosecuted cyber crimes affecting the Department of justice, and was responsible for the day-to-day operations of the DOJ-OIG cyber office. Before joining DOJ-OIG, Harry spent over 10 years working in the intelligence community and as a Special Agent with the Drug Enforcement Administration.  Harry has received numerous awards for leading high profile investigations and locating and recovering critical evidence. Harry's experience is now available to private sector clients through 4DISS.


specialties and certifications

Certified mobile device examiner (cellebrite)

certified computer forensics examiner (EnCAse)

licensed private investigator

licensed FAA Part 107 sUAS Remote Pilot

specialist in cell site and call detail record analysis

Financial Analysis specialist

Anti-money laundering specialist

Insider threat and internal misconduct specialist

Due diligence investigations

extensive experience with search, arrest and seizure warrants

performed comprehensive electronic surveillance, including wiretaps and covert audio and video installations

conducted and supervised undercover operations

testified at more than 200 federal proceedings, including jury trials, hearings, and grand jury inquiries

 

Connect with Harry and learn more about some of his high profile government casework in the "Featured" section on LinkedIn: https://www.linkedin.com/in/harry-lidsky-04947646/

And follow us on Instagram: @4diss.investigations

Contact us today for a no obligation, discreet consultation to discuss your circumstances and determine how we may be able to assist.