FacultyFaculty/Author Profile

Thomas G.A. Brown

Berkeley Research Group, LLC
Managing Director
New York, NY, USA

Thomas Brown is a Managing Director and Global Leader of Berkeley Research Group’s Cyber Security and Investigations practice. Mr. Brown specializes in helping clients manage cyber risk, respond to cyber incidents, remediate vulnerabilities, and address post-incident regulatory inquiries and litigation.

From 2002 to 2014, Mr. Brown served as an Assistant United States Attorney in the U.S. Attorney’s Office for the Southern District of New York, where he supervised the Complex Frauds and Cyber Crime Unit. 

As a federal prosecutor, Mr. Brown led a broad range of complex, cross-border cyber investigations and prosecutions, among them a number of landmark cases. They include Silk Road, a $1.2 billion underground drug website; the prolific “hacktivist” groups Anonymous and LulzSec; the hack of NASDAQ; Liberty Reserve, an online digital currency used to launder more than $6 billion in criminal proceeds; the hack of Citibank; Rove Digital, a massive botnet that infected more than 4 million computers; and Samarth Agrawal, who was convicted after trial of stealing high-frequency trading code from Société Générale. Mr. Brown has particular experience with virtual currencies, such as WebMoney and Bitcoin, and cyber national security matters. 

Mr. Brown also led significant investigations and prosecutions of a wide variety of white collar offenses, including economic espionage and theft of trade secrets, money laundering, FCPA violations, securities fraud, bankruptcy fraud, identity theft, criminal copyright theft, and tax fraud, among other violations. In 2010, Mr. Brown developed an innovative strategy to combat online copyright piracy, pioneering an international intellectual property rights enforcement program by the U.S. Department of Homeland Security that continues to this day.
In addition to conducting 10 jury trials and arguing a number of appeals before the U.S. Court of Appeals for the Second Circuit, Mr. Brown also won favorable judicial opinions with national impact on cyber-related issues, including an electronic surveillance matter and a case of first impression concerning the compelled production of data stored overseas by Internet service providers.

Mr. Brown is a recipient of the FBI Director’s Award for Outstanding Cyber Investigation and was named “Prosecutor of the Year” by the Federal Law Enforcement Foundation in 2011.
Mr. Brown frequently lectures on cyber security issues to legal, business and law enforcement groups. 

Mr. Brown is a graduate of Carleton College and received his J.D. from the University of Minnesota Law School. He is a member of the New York Bar.

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