Class notes

Security in IT Network:

• response
• eduction
• authentication
• non-repudution
• disastor recovery
• threats
• attacks
• integrity
• firewall
• policy
• risk management
• physical security

type of cryptography:

Classic Cryptography

• Transpositions
• Double Transpositions
• Pig-Latin
• Grille
• Vigenere (taken in the class)
• Caesar Substitution (taken in the class)
• Atbash
• Playfair
• Bifid

Monoalphabetic Substitution (taken in the class)

• Pig Pen
• Map Cipher
• Diagraphic Substitution
• Jefferson Cipher
• Polybius Chequerboard