Security vetting is used by the UK government to assess whether individuals are suitable for access to sensitive information, government facilities, or national security roles.

The UK vetting system includes several levels of clearance, including:

• BPSS

• CTC

• SC

• DV

Each level involves different screening procedures and disclosure requirements.

This hub explains:

• The UK national security vetting system

• How vetting decisions are made

• Common reasons for vetting refusal or withdrawal

• The role of criminal records and police information

• Appeals and review processes

Our updates track policy developments and practical guidance relating to security vetting procedures.