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 ...

Operations Security (OPSEC) is vital and has become a governmentwide requirement dating back to 1988, when President Ronald Reagan signed Directive 298. In January 2021 the White House released ...

Trump officials mistakenly shared attack plans with a reporter on an unsecured app, breaching rules. Pentagon and military leaders emphasize operational security training to protect troops. OPSEC is ...

FORT LEONARD WOOD, Mo. — Operations Security, or OPSEC, is our first line of defense against hostile intelligence-collection efforts, helping us achieve the Army’s objectives in deterring terrorist ...

The Pentagon’s latest report makes one thing clear: Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real risk for American forces.

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 ...

A recent rollout of new operations security training for all Defense Department personnel has been met with confusion, with many individuals unsure if they need to take it and one module already ...

The Department of Defense is particularly vulnerable to compromise via social media. Despite the Robin Sage and hijacking and defacement of the official Twitter account of the U.S. Central Command ...