It is important not to use a password for more than one online service unless you’re ok with them all being hacked. Because if one service is hacked a hacker can quickly gain access to your other services.
Of course, there’s a good reason why you might re-use passwords—its hard to remember . . . → Read More: How To Not Re-use Your Password
A good password is a strong password: is a password which is long, contains numbers, letters, mixed case and no real words or guessable information—best not use your date of birth, cat’s name, phone number etc. A strong password is also long—at least ten characters long.
This of course makes it hard . . . → Read More: How To Choose a Good Password You Will Remember