Related Clues:

• Shibboleth
• Term of admission that had previously been agreed
• Fool rejected brand name to gain entry
• Old man's weapon that's needed to get into base
• The old man's weapon is something guard may want
• Name by which one is identified when gaining access to a computer network
• Weapon the old man has for response to challenge
• Online form entry
• Power when weapon gives means to enter camp?
• Entry before a password
• Login datum
• Employ free codename
• It's usually associated with a password
• Don't answer the questions for first four characters in 6 down - it's an issue of security
• Release news of security issue