This security shift handover toolbox talk provides a comprehensive, step‑by‑step guide for security teams to safely transfer duties, incident reports, key control and threat information at the end of each shift. It outlines major hazards such as miscommunication of threat levels, loss of key custody, equipment failures and fatigue‑related errors, and explains practical controls including written handover logs, face‑to‑face briefings, equipment checks and situational risk briefings. The guide also details how to record handovers in digital systems, maintain audit trails and verify CCTV footage in line with BS EN 50132‑1 standards. By following these procedures organisations demonstrate compliance with the Health and Safety at Work Act 1974, the Management of Health and Safety at Work Regulations 1999, the Workplace (Health, Safety and Welfare) Regulations 1992, the Private Security Industry Act 2001 and the Data Protection Act 2018. HSE shift handover guidance and the Management of Health and Safety at Work Regulations 1999 provide the regulatory framework underpinning this toolbox talk. Regular review of the handover procedure ensures that emerging threats and new technology are incorporated. Supervisors should audit handover records weekly, provide feedback, and update the checklist to reflect changes such as newer BS EN 60849‑2006 key cabinets or upgraded BS EN 50132‑1 video storage formats. Ongoing training reinforces the habit of thorough briefings and reduces the likelihood of mis‑communication.