https://intra.brunel.ac.uk/s/cc/security/cyber-security/_layouts/15/WopiFrame.aspx?sourcedoc={4FC56686-11A0-4B6F-9A87-295F20D7B3F4}&file=BUL-PROC-12.6%20-%20Vulnerability%20Management%20Exceptions%20Process%20v1.0.pdf&action=default