The Department is aware that some taxpayers using older
Apple/Mac Safari or Chrome browser versions may encounter a
security message when attempting to use the Guest User login
button to File a Return. The message says: “This website may
be impersonating portal.florida.revenue.com to steal your
personal information, you should go back to the previous
page.” If you encounter this message, please ensure you have
installed the latest macOS Tahoe version (version 26.0.1 or
later).