Why you want to (please) use different passwords for each of your accounts

Cybercrooks attempted credential-stuffing banks 3.5 BEEELLION times in the last 18 months alone • The Register

"Credential stuffing is more or less a synonym for brute-forcing access into a passworded system, except using previously breached login credentials rather than a rainbow table or some other setup of commonly reused username/password combinations."

http://bit.ly/2yxJwHb