Securing Data: Masking, Hashing, Filtering, Tokenization, Encryption, and Obfuscation (3.3)

This episode explains common methods used to protect data and how each method serves a different security purpose. Masking hides part of a value, such as showing only the last digits of an account number, while hashing creates a fixed integrity value that should not be reversible. Filtering removes or blocks data based on rules, tokenization replaces sensitive values with substitute tokens, and encryption protects data by making it unreadable without the correct key. Deidentification and obfuscation reduce exposure, but students should recognize that hiding data is not always the same as strongly protecting it. For the exam, the key is matching the protection method to the risk, data type, and business need. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with. And dont forget Cyberauthor.me for the companion study guide and flash cards!