In order to qualify for security clearance, a candidate must successfully pass a detailed and thorough background check. The levels of clearance are confidential, secret and top secret.

US President Donald Trump has revoked security clearances from his previously defeated Democratic election rivals, Kamala Harris and Hillary Clinton, as well as a number of other top former officials.

President Donald Trump has made good on his promise of revoking security clearance for former President Joe Biden. Issued late on Friday night, a memo titled “Rescinding Security Clearances and Access ...

Trump said in February he was revoking security clearance for his predecessor Joe Biden. His order confirmed that decision, adding that he was also revoking the security clearance of "any other ...