Ms. Lefrak was the lead attorney on the Snapchat investigation that was resolved when the company agreed to settle FTC allegations that it made deceptive claims about the privacy and security of the personal information it collected from consumers. She was part of the team that litigated a high-stakes data security case against Wyndham Hotels where the authority of the FTC to bring unfairness actions in the data security realm was upheld by the U.S. Court of Appeals for the Third Circuit.