There are two great tips in this article — one for users and one for developers. For users: your password should be multiple words; “this is fun” would take 2,537 years to crack using today’s technology. For devs, adding a 5-second time delay between password attempts moves the time to crack “alpine fun” from 2 months to 63 years. [via iamcal.com]
The Usability of Passwords