Definition[edit | edit source]

A clearance level is

[t]he security level of information to which a security clearance authorizes a person to have access.[1]

Overview[edit | edit source]

Security levels are based on the need-to-know doctrine, which requires a background check for officials who need to have access to national security information.

References[edit | edit source]

Community content is available under CC-BY-SA unless otherwise noted.