use a variety of letters, numbers and characters.
a.use personal information that is easy to remember.
this is easy for hackers to guess, the look at the personal information online or if they know you
use a variety of letters, numbers and characters. this requires a computer program and time to guess
use a sequence or pattern of numbers. this limits you to only 10 digits per blank. it can be guessed much more rapidly than with letters, numbers and special characters
use the same password for all accounts. if they guess it for one account, they can get into all accounts