According to The Hollywood Reporter, writers Michael Ferris and John Brancato have been hired to adapt Universal Pictures' The Sigma Protocol, one of the last books written by author Robert Ludlum.

Protocol centers on an American economist who becomes the target of professional assassins. When a U. S. intelligence agent investigating his case finds herself discredited, the two end up on the run and uncover a vast multinational conspiracy manipulating the global economy and world events.