Related Clues:

• Awful pity Cern has no one to encode data
• Cipher, as a secret message
• Protect from hackers, hopefully
• Make it necessary to decrypt
• Scramble and vault on walls of Eton
• Do some cryptography
• ... hence, having no beginning or end, poem causes scramble
• Scramble, as a message
• Maybe turn to Morse?
• Cipher, as a message
• Letter to lament exercising disguise for security
• Encode resetting PC entry
• Protect from theft, in a way
• Put in code
• Disguise, in a way