It has been more than two months since the world first learned about Secretary of Defense Pete Hegseth's use of an unclassified Signal group chat to communicate sensitive military operations to ...

Add Yahoo as a preferred source to see more of our stories on Google. Trump officials mistakenly shared attack plans with a reporter on an unsecured app, breaching rules. Pentagon and military leaders ...

Over time, the concept spread from the military to other U.S. government departments and into private industry, and was developed in more detail. The Department of Energy, which is in charge of the ...

With adversary threats growing daily, operations security, or OPSEC, is more important than ever. OPSEC experts are heralding the call for advanced protection, both inside and out of the office, for ...

You only think you aren't telling the terrorists where to find you. Track your workouts with Strava paired with a fitness watch of some kind? Yeah, me too. Apparently we've all been coughing up our ...

September 30, 2023: OPSEC (Operational Security) in Ukraine is more difficult to achieve because of widespread cell phone use. Ukraine has several advantages over the Russians in OPSEC and one is ...