BPSS checks play a pivotal role in safeguarding national security by ensuring that individuals in sensitive positions are trustworthy and legally permitted to work. This article explores how BPSS clearance contributes to preventing illegal employment, identity fraud, and potential security breaches. We discuss historical cases where lapses in security clearances have led to significant issues and how stringent BPSS checks can prevent such occurrences. Checkback's commitment to thorough and compliant BPSS checks supports organizations in upholding national security standards.