Welcome to The Hill’s Defense & NatSec newsletter{beacon} Defense &National Security Defense &National Security   The Big Story Another Signal-gate headache for ...

Messages relayed by Defense Secretary Pete Hegseth over a March Signal chat regarding the U.S. plans to bomb Houthi targets in Yemen came from a email labeled “SECRET/NOFORN,” according to the ...

The revelation contradicts the Trump administration’s long-standing claims that no classified information was shared by the ...

Helicopter Sea Combat Squadron 28, known as the “Dragon Whales,” serves as a vital force multiplier within the U.S. Navy.

Soon-to-be former Instacart CEO Fidji Simo sent a memo to OpenAI staff Monday laying out her vision for how AI will change ...

We speak to solution engineering lead at OpenAI, Matt Weaver, about enterprise adoption and making ChatGPT secure.

ChatGPT users on Mac will now be able to take advantage of Record mode as OpenAI confirmed the feature is rolling out to ...

Psychological safety—a shared belief among team members that it’s OK to speak up with candor—has become a popular concept. However, as its popularity has grown, so too have misconceptions ...