Customers now have the option to make their passwords stronger, and will be forced to choose a password at least 8 characters in length when signing up or changing their current password. More details can be found in this article on strong passwords.
The most common support problem for people who do change passwords is remembering how to change the password for their ADSL router. To help, we've produced a guide for common routers with details of what you need to do. If you have a router we've not included on this page, you can leave feedback on the article and we will try and add it later.
Customers who currently have a weak password may in the future be forced to change them, but at this stage we would simply ask customers to have a think about their password and make sure it is as secure as possible.