LastPass does not use the secret key concept that 1Password uses, it only uses a key derived from your password. After the breach they rushed to increase the hash iterations [1] and added features to let enterprise admins set minimum iterations [2] but of course it was too late at that point.

[1] https://palant.info/2022/12/28/lastpass-breach-the-significa... [2] https://support.lastpass.com/s/document-item?language=en_US&...