As well as the obvious “12345678”, “password” and “qwerty” (I can’t believe people really use those?), it seems people’s names beginning with J are especially common.
Top 500 most common passwords visualized
Most common passwords. Is yours here? Also, after some deep analysis, we’ve discovered that passwords fit into 11 categories. See what they are.
If any of your passwords feature on that chart, please read this and change them. Right now.
The usability of passwords
Using more than one simple word as 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. It is 10 times more secure to use “this is fun” as your password, than “J4fS<2”.
Miscellaneous Details 