Tiana Demas

Practice Areas

Tiana is a veteran federal prosecutor and a top authority on cybersecurity, data privacy and national security issues surrounding the use of novel technologies. Drawing on her broad experience in the tech industry and more than 10 years at the US Attorney’s Office for the Eastern District of New York (EDNY), Tiana represents clients in complex privacy and data breach litigation in federal courts across the US. She also represents clients in government investigations (criminal and civil), and she helps companies strategically respond to data breaches, cyberattacks, privacy issues and regulatory enforcement actions.

At EDNY, Tiana prosecuted many high-profile national security and cybercrime cases, including the first-ever trial conviction of an ISIS terrorist. Having served in the civil and criminal divisions at EDNY, she tried nearly a dozen cases to verdict and successfully argued numerous cases before the US Court of Appeals for the Second Circuit. Tiana held multiple leadership roles at EDNY, including deputy chief of general crimes, where she trained and supervised new prosecutors on the fundamentals of criminal prosecution, and computer hacking and intellectual property coordinator (CHIP), where she led EDNY’s global cybercrime practice, supervised cybercrime investigations, and led private-sector outreach and training on cybersecurity and emerging threats.

As a line prosecutor, Tiana led investigations and prosecutions involving economic and trade sanctions, the Espionage Act, the Foreign Agents Registration Act (FARA), securities and financial fraud, the Foreign Corrupt Practices Act (FCPA), international money laundering, the Racketeer Influenced and Corrupt Organizations (RICO) Act, and violent crimes.