Security clearing is the formal vetting and approval process used to determine whether an individual is suitable to access classified or sensitive information. Security clearing typically involves identity checks, background investigations, financial reviews, criminal history checks, and character references. In government and defence environments, security clearing ensures personnel meet national security standards before being granted access to protected assets or systems. Organisations must implement structured processes to track security clearing status, manage documentation, and ensure compliance with protective security frameworks. Effective security clearing reduces insider threats, supports regulatory compliance, and strengthens overall governance. Ongoing monitoring is often required to maintain eligibility and ensure continued trustworthiness throughout employment.