Profile

Stephanie Siegmann

Partner,
Hinckley Allen LLP

My Contact Information

Hinckley Allen LLP
Boston, MA
Work: 617-378-4181

Social Links

Chapter Location

Boston

Bio

Stephanie is a litigation partner and Chair of both the Cybersecurity, Privacy, and Data Protection, and the International Trade & Global Security practices at Hinckley Allen. Stephanie’s practice focuses cybersecurity, cyber incident response, privacy, compliance, white collar defense, international trade (export controls and sanctions), government enforcement, internal investigations, intellectual property and proprietary information theft.

Stephanie has been a trial lawyer for 25 years and is recognized as an expert in the area of national security. She began her legal career as a prosecutor in the Navy Judge Advocate General's Corps and prosecuted numerous violent crimes such as murder, rape, and child abuse as well as drug and computer offenses. She then worked as a civil litigator where her practice involved intellectual property, and business and employment related disputes. From September 2003 to February 2022, she worked as a federal prosecutor and led numerous investigations of national security related offenses and cyber intrusions. She successfully prosecuted terrorism, international money laundering, and export control and sanctions related offenses involving, among other things, plots to commit domestic attacks in support of terrorist organizations, illegal procurement networks designed to obtain U.S. technology to assist foreign governments in advancing their military capabilities and WMD programs, obstruction of the Boston Marathon bombing investigation, and the use of a purported charity to support violent jihad overseas. From April 2018 to February 2022, she served as the first female National Security Chief for the USAO for the District of Massachusetts supervising all national security investigations and prosecutions in this district, including espionage, cyberattacks, foreign influence, technology transfer, and terrorism matters.  

Practice Areas

  • Compliance Counseling
  • Corporate Crime
  • Crisis Management
  • Cybercrime
  • Foreign Corrupt Practices Act
  • Government Contracting, Bid Protests and the False Claims Act
  • Government Investigations
  • Internal Investigations
  • Privacy, Data Security and Information Law
  • Trade Secrets
  • Trials
  • White Collar Crime