What are security clearances?

Some articles on security clearances, clearance, security:

Jonathan Pollard - Early Career
... A background check was required for the job as well as security clearances, but no polygraph test ... In addition to a 'Top Secret' clearance, a more stringent 'Sensitive Compartmented Information' (SCI) clearance was required ... Pollard was given temporary non-SCI security clearances pending completion of his background check, which was normal for new hires at the time and assigned to temporary duty at another NIC Department, the Naval ...
Types and Documentation of Credentials - Security Clearances
... Persons with a legitimate need to have access to such information are issued security clearances, which can be tracked and verified to ensure that no unauthorized persons gain access to protected ... Security clearances are among the most carefully guarded credentials ... The most elaborate security-clearance systems are found in the world's military organizations ...

Famous quotes containing the word security:

    Those words freedom and opportunity do not mean a license to climb upwards by pushing other people down. Any paternalistic system that tries to provide for security for everyone from above only calls for an impossible task and a regimentation utterly uncongenial to the spirit of our people.
    Franklin D. Roosevelt (1882–1945)