
In this case, as an extra security measure, you should consider minimizing risk by changing passwords of websites you have stored.

However, it is important to note that if your master password does not make use of the defaults above, then it would significantly reduce the number of attempts needed to guess it correctly.

There are no recommended actions that you need to take at this time. Your sensitive vault data, such as usernames and passwords, secure notes, attachments, and form-fill fields, remain safely encrypted based on LastPass’ Zero Knowledge architecture.

If you use the default settings ( password best practices) it would take millions of years to guess your master password using generally-available password-cracking technology.
