Blumenthal wrote that "Mr. Zatko's disclosures indicate that Twitter management has failed to honor the terms of the consent decree," while Markey said that the accusations illustrate how Twitter has violated the 2011 privacy settlement with the FTC that committed the company to protecting user data. Legal experts including Jon Leibowitz, who was the FTC chair at the time of the 2011 order, have said Twitter faces potentially billions in new fines or regulatory obligations if the FTC concludes that the company did in fact violate its commitments to the agency. In an internal memo obtained by CNN, Twitter CEO Parag Agrawal vowed to challenge the allegations and sought to reassure employees.