Here's a Guide on How to Choose The Strongest Password, According to Science
Creating strong passwords Our research has led us to develop some specific recommendations for choosing passwords that provide good protection for online accounts and the data they contain. A crucial aid in this process is to use a password manager to generate long, random passwords – and remember them for you. If you're making your own passwords: Make your password at least 12 characters, and mix it up with at least two or three different types of characters (lowercase letters, uppercase letters, digits and symbols), put in unpredictable places. Don't put your capital letters at the beginning or your digits or symbols at the end. Avoid including names of people or pets, places you have lived, sports teams, stuff you like or birth dates. Avoid common phrases (especially anything related to "love" in any language) and song lyrics. Don't use patterns ("abc," "123"), including patterns on the keyboard ("1qazxsw2")....