This is done without hashing (more on that in a bit) and is the most non secure method after no password at all. In a traditional and most simplistic sense, a system or application will prompt the user for the password and compare it to the known password in the database. NOTE: I know of 0 documented cases of the theft of biometric data. Conversely though, when they're stolen, they're gone for good. It is significantly harder to steal your biometrics. They can steal something you have with ease as well.

Someone can easily steal something you know via asking, social engineering, torture, or other deception.

When you use more than one tenet, it becomes multi-factor authentication (MFA) or 2-factor authentication (2FA) or 3-factor authentication (3FA). When you only use one of the three, it is called single factor authentication.

Are (Biometrics: your eye, fingerprint, typing behavior, voice).

Authentication is based upon these three tenets - Something you: They are used to authenticate you, in other words: prove that you are who you say you are (again, in theory). Passwords or passphrases are alpha-numeric characters and symbols in an order that (in theory) should be challenging yet memorable and should change from time to time. In doing further technical research for my own career advancement and in doing more academic research in the social engineering field, I felt compelled to write this blog post.

We are constantly told about how to make them more secure, but I have found much flawed logic in what many people say. We all use passwords in our daily lives: for social media, at work, at home, smart phones, voicemail - the list goes on. Most of What You Need to Know: Passwords - The Beginning Disclaimer: I am in no way, shape, or form - past or present, compensated to endorse any solutions or software mentioned throughout this blog post. This is from both a personal and a commercial perspective meaning that it can be applied in both settings. Email any questions you have about this or any other topic to blog aims to tell you Most of What You Need to Know about Passwords. While I make every effort to be thorough and hit every aspect, there are times that I inadvertently omit things or skip them due to scope, time, length or applicability. As the name implies, this should be an excellent starting point for the subject topic, in this case Passwords.

John the ripper linux restrict