Andrew Siegel advises clients on advertising, data security, and privacy matters. Mr. Siegel represents clients in investigations by the Federal Trade Commission and State Attorneys General, advising clients on a variety of privacy and consumer protection matters, including marketing and claim substantiation issues. In addition, Mr. Siegel advises clients in investigating and responding to data security incidents and cyber-based attacks, including data breaches involving personal and other regulated data, advanced persistent threats, and state-sponsored attacks.