OPSEC = “OPerations SECurity”.
Basically put, you don’t broadcast to the world who you are, where you live, what you own, and what you’re planning to do with it.
The Leftist Media is notorious for blowing the bejeezus out of OPSEC when there’s a Republican government: “Mr. President, regarding the upcoming military operations, which units are deploying, when and where will they attack, and what are the street addresses of the families of the generals in charge?”
Ok. Thanks.