President Donald Trump says he has fired Defense Secretary Mark Esper. It's a stunning move on the heels of Trump’s failed reelection bid. It could also unsettle U.S. allies and partners.

Plus: A mysterious hacking group’s secret client is exposed, Signal takes a swipe at Microsoft Recall, Russian hackers target ...

Shortly after being confirmed by the Senate in February, Patel, who has faced criticism as a conspiracy theorist, made an unusual request to hire a private security detail. According to The Wall ...