Usable Sec: Making secure passwords that are useable

To make usable passwords we need to look at them differently. First of all what you need is to use words you can remember, something simple and something you can type fast.

Like these:


your password increases you security substantially (from 3 minutes to 2 months). But, by simply using 3 words instead of two, you suddenly got an extremely secure password.

Using more than one simple word a

It takes:

  • 1,163,859 years using a brute-force method
  • 2,537 years using a common word attack
  • 39,637,240 years using a dictionary attack

It is 10 times more secure to use “this is fun” as your password, than “J4fS<2”.

If you want to be insanely secure; simply choose uncommon words as your password – like:


A usable and secure password is then not a complex one. It is one that you can remember – a simple password using 3+ words.