Interactive Brokers Website
Usual dumb password restrictions, but this one has incredibly dumb username restrictions too:
Username:
- Length of 8 or 9 letters and numbers
 - Contain at least 3 letters and 3 numbers
 - Begin with a letter
 - Lower case only, no spaces, no special characters
 
Password:
- Cannot match username
 - Length of 8 to 40 characters
 - Contain at least 1 letter
 - Contain at least 1 number
 - Case sensitive, no spaces, no special characters
 
