What does each security clearance level mean?
Baseline Personnel Security Standard (BPSS) (formerly Basic Check (BC)) involve a check of identity documents and employment/education referees. These checks are normally completed by the recruitment authorities or by certain Defence industry companies. A BPSS is a prerequisite for the other security clearances noted below. On top of this, there is also an Enhanced Baseline Standard (EBS) (formerly Enhanced Basic Check (EBC)). This allows supervised access to top secret material. To attain this, the same checks as above apply, as well as a mandatory interview and references from people who are familiar with the person’s character in both home and work environment. More information… Counter-Terrorist Checks (CTC) include a BC and a check against national security records. A CTC allows access where there is a specific threat from terrorism to government establishments, but not to protectively marked assets. More information… Security Checks (SC) are the most widely held security clea
