Practicing good “operations security” is essential to staying safe online. Here's a complete guide for teenagers (and anyone else) who wants to button up their digital lives.

Jennifer Barnhill is a columnist for Military.com writing about military families. It has been more than two months since the world first learned about Secretary of Defense Pete Hegseth's use of an ...

The Security Assistance Command observes Operations Security Awareness Month in May, shining a spotlight on the need to protect sensitive information from adversaries to ensure the success of the ...

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 ...

On March 24, Jeffrey Goldberg, editor-in-chief of The Atlantic, reported that US Secretary of Defense Pete Hegseth texted him precise plans via Signal regarding the US's plans to bomb Houthi targets ...