Add Yahoo as a preferred source to see more of our stories on Google. Trump officials mistakenly included a journalist in a Signal chat about strikes on Houthi rebels. High-security rooms called SCIFs ...

When high-ranking U.S. officials meet to discuss national secrets, they’re almost always supposed to hole up in ultra-secure rooms known as SCIFs, or sensitive compartmented information facilities.

Earlier this year, the Office of the Director of National Intelligence (ODNI) updated its primary authority on Sensitive Compartmented Information Facilities (SCIF) standards, known as Intelligence ...

As digital surveillance, hacking, and cyber espionage become more sophisticated, protecting the security of government communications is more important than ever. US officials typically have ...