There’s been a steady trickle of sites getting hacked, followed by their usernames and passwords being passed around publicly on the Web. It’s incredibly common for people to have one password that they use pretty much everywhere. In the not so distant future, someone will release a simple tool that will automatically run username and passwords against all the most popular sites. The only way to really do this, of course, is to create a password scheme, or to use a password generating and tracking program like 1Password.”]
Source: https://gizmodo.com/its-time-to-abandon-passwords-5812685