This Technical Bulletin (No. 0049) outlines the publication and implementation of BS 7858:2019, which provides guidelines for the screening of individuals working in secure environments. Effective immediately, applicant companies will be audited against the new standard, while existing approved companies have until March 31, 2020, to comply. The document details significant changes to the standard, including definitions, screening processes, and record-keeping requirements, emphasizing the importance of top management’s commitment to risk management and the integrity of the screening process. Manual review is recommended for complete details, as the document contains extensive information on procedural updates and compliance expectations.