A Colorado attorney was suspended from the practice of law for 18 months on several grounds, including answering to clients’ criticism online by disclosing confidential information. People v. Underhill , 2015 Colo. Discipl. LEXIS 72.

More on People v Underhill (including a link to full decision) here.

For a discussion of the ethics of responding to online criticism see Nathan M. Crystal, Defending Against Internet Criticism: “Silence is Golden,”  26 S.C. Lawyer 12 (January 2015).

For more information, Nathan M. Crystal.