Opsec Meaning Military. Showing only military and government definitions ( show all 3 definitions) new search. Web the term “opsec” stands for the phrase “operational security.”.
It’s important we encourage each other to practice opsec. Officially, the military defines opsec as the process by which a person. A systematic and proven process intended to deny to potential adversaries information about capabilities and intentions by identifying, controlling, and protecting generally unclassified evidence of the planning and execution of sensitive activities.