What are monoalphabetic and polyalphabetic substitution ciphers?

This video explains what monoalphabetic and polyalphabetic substitution ciphers are. Interested viewers may find the following links useful: Book: A Guide To Cyber Security https://www.thesecuritybuddy.com/book-a-guide-to-cyber-security/ Book: Cryptography And Public Key Infrastructure https://www.thesecuritybuddy.com/book-cryptography-and-public-key-infrastructure/ Book: Web Application Vulnerabilities And Prevention https://www.thesecuritybuddy.com/books-web-application-vulnerabilities-and-prevention/ All Articles on Cyber Security - The Security Buddy https://www.thesecuritybuddy.com/cyber-security-articles/ Cyber Security Courses - The Security Buddy https://www.thesecuritybuddy.com/cybersecurity-certification-training-tutorial-lessons/ Symmetric Encryption vs. Public-Key Encryption - The Security Buddy https://www.thesecuritybuddy.com/encryption/symmetric-key-encryption-vs-public-key-encryption/ Caesar Cipher using Python - The Security Buddy https://www.thesecuritybuddy.com/cryptography-and-python/caesar-cipher-using-python/ Affine Cipher using Python - The Security Buddy https://www.thesecuritybuddy.com/cryptography-and-python/affine-cipher-using-python/ Implementing the Vigenere Cipher using Python - The Security Buddy https://www.thesecuritybuddy.com/cryptography-and-python/implementing-the-vigenere-cipher-using-python/ What is the One Time Pad in cryptography? - The Security Buddy https://www.thesecuritybuddy.com/cryptography-and-python/what-is-the-one-time-pad-in-cryptography/ Follow us on Twitter: https://twitter.com/asigosec_tsb