Cindy Cohn is an American civil liberties attorney specializing in Internet law.

[3][4] In addition to Bernstein, some of Cohn's significant cases include Hepting v. AT&T (class action against AT&T for collaborating with the National Security Agency program to wiretap and data-mine Americans' communications), In re Sony BMG Tech.

litigation (class action against Sony BMG for placing dangerous digital rights management (DRM) on customers' computers), OPG v. Diebold (Diebold was held liable for sending out unfounded cease and desist notices to internet service providers (ISPs) in an effort to stop public discussion of the flaws in its electronic voting machines), and DVD CCA v. Bunner[5] (representing Andrew Bunner against the DVD Copy Control Association defending his right to republish a computer program that he found republished elsewhere on the Internet).

[6] In 2006, Cohn was named one of the 100 most influential lawyers in America by the National Law Journal.

[7] Cohn also serves on the board of directors of the nonprofits Human Rights Advocates [citation needed] and the Verified Voting Foundation.