Are dictionary words good for passwords?
Although using a password that contains only dictionary words is not recommended, it is still common and can get hacked easily. But if users were to use only dictionary words in a passphrase, they would stay safe from this type of attack. Most dictionary passwords contain one or two words.
Why should you not use dictionary words in your passwords?
Adding the dictionary words does make the password stronger because it increases the entropy(randomness), but if you are going to create a random password of that length anyways you may as well use random characters for the whole password because that is even stronger. Anything that makes the password longer is good.
Can you trust password generators?
Overall, it is generally safe to use a password generator for your online accounts. If your password generator’s settings are configured to create lengthy passwords containing letters, numbers, and special characters, rest assured it’s is generally safe for most purposes.
What do you need to know about password validation?
I am working on a password validation algorithm that needs to check potential passwords against the dictionary. If the password or any part of it can be found in the dictionary, reject it. The function is easy enough, but where do I get the word list?
Can you make a password that contains a word in a dictionary?
Prevent the creation of a password that contains a word in your dictionary. For example, if your dictionary contains baseball, enabling this option will reject baseball, BASEBALL, Baseball!, Baseball1.
When to use character substitutions in password validation?
If your password policy also has character complexity requirements, users might bypass common dictionary words with character substitutions. With this feature enabled, character substitutions are converted to the original character during password validation. The following character substitutions are used for the conversion:
Do you need to check against a Dictionnary to reject a password?
I think there is no need for checking against a dictionnary, especially if you want to reject even a part of your password.