According to the 2017 Data Breach Investigation Report from Verizon, around 81% of the password-related attacks in the world have been carried out either by stealing the passwords or for using a weak password. One of the biggest mistakes we do while creating passwords is using easy to guess passwords. These common passwords based on keyboard patterns, phonebooks make it easier for hackers to break into the systems.
Here is an annual list of 25 worst passwords based on popularity produced by SplashData:
If you are also using such passwords which are mostly based on the keyboard patterns, you need to be wise and change them as soon as possible.