Front Office is a static site: it has no server, accounts or stored user data, and saves live only in your browser's local storage.
If you find a security problem (in the code, the build, or the GitHub workflows), please report it privately through Security → Report a vulnerability on this repository rather than opening a public issue. You'll get a reply as soon as possible.
Data mistakes (a wrong contract, coach or pick) aren't security issues: open a Data correction issue instead.