The Deputy Federation Security Advisor is a high-ranking individual in the Federation government, often with specialized expertise, who may be appointed to assist and advise the Federation Security Advisor and Federation President. In 2381, Annika Hansen – the former Borg drone also known as Seven of Nine -- was appointed Deputy Federation Security Advisor during the attempted extermination of the Federation and its allies by the Borg Collective. (ST - Destiny novel: Gods of Night)