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Password salting is a form of password encryption that involves appending a password to a given username and then hashing the new string of characters. This is usually done via an MD5 hashing algorithm. Password-salting is most commonly found within Linux operating systems, and it is generally considered a more secure password encryption model than any of the models used within the various Microsoft distributions.
Techopedia Explains Password Salting
When a username has been established, the user typically creates a password to associate with this username. After the user has submitted the password to the salt-enabled system, the system appends the password to the username. Then, the new string of characters is hashed. This is a very effective way of encrypting passwords because even if two different users coincidentally select the same password, their usernames will almost certainly be different, thereby resulting in a different hash value.
Other, more common methods of password security that you often find with software like password manager apps include encryption and randomized password generation that includes numbers, symbols, and other special characters for password security.
