“The logical theory is that the transportation agency was using it to spy on its own employees,” said Chris Soghoian, a former Federal Trade Commission technology expert now working for the American Civil Liberties Union.

Validation authority alone isn’t enough to intercept traffic, the most likely goal of the project. The authenticator would also have to come in contact with the Web user.

via Turkish agency blamed by U.S. companies for intercepted Web pages | Reuters.