Which of course, you now won't be doing, have just alerted several thousand people to this fact
"This is where we really are a unique place to work. Owing to the sensitivity of our work, discretion is vital. For this reason, you must limit those you tell about your application to your immediate family (parents and/or siblings) and/or your partner. We will ask you who knows that you have applied during the recruitment process. With the exception of the Director General, the identities of staff are not disclosed publically. Should your application be successful, you will be given a full briefing on the reasons why it is important not to disclose that you are a member of the Security Service."