The levels of clearance are confidential, secret and top secret. There are also private sector security clearance jobs in finance, education and healthcare.

every 10 years for "secret" and every five years for "top secret." When a clearance is inactivated (because of switching jobs or leaving the military), it can be fairly easy to reinstate within ...

President Trump on Tuesday explained why he revoked former national security adviser John Bolton’s security clearance. “I ...