Ensures that all identified breaches in security are promptly and thoroughly investigated, and that any system changes required to maintain security are implemented. Investigates complex, or highly sensitive violations referred by more junior staff or colleagues, handling issues imaginatively, efficiently and professionally. Obtains factual information and formulates opinions regarding exposed violations. Where appropriate (i.e. involving employees within own organisation) interviews offenders in conjunction with the relevant line manager or on own authority if warranted.