“Lorrie Faith Cranor studied thousands of real passwords to figure out the surprising, very common mistakes that users — and secured sites — make to compromise security. And how, you may ask, did she study thousands of real passwords without compromising the security of any users? That’s a story in itself. It’s secret data worth knowing, especially if your password is 123456 …” (TED)
Interesting talk by Lorrie Faith Cranor about passwords. What you may think is a strong password may actually be quite decodable, and it’s often better to simply write down your passwords on a piece of paper, rather than re-use the same password for different sites. If you are trying to think up a new password, remember: go sad, rather than happy. Onwards!