Operations security (OPSEC) is a discipline of military origins that in the computer age has become vital for government and private organizations alike. OPSEC is a process by which organizations assess and protect public data about themselves that could, if properly analyzed and grouped with other data by a clever adversary, reveal a bigger picture that ought to stay hidden. The term was first coined in the U.S. military during the Vietnam War, as a result of an effort led by a team dubbed Purple Dragon.”]