Bitwarden defaults to Base domain. So if your credentials are stored for foo.bar.com they'll be proposed on any subdomains and the naked domain of bar.com. Yo

Bitwarden defaults to Base domain. So if your credentials are stored for foo.bar.com they'll be proposed on any subdomains and the naked domain of bar.com. You can switch it to Host. That way the credentials are only proposed on on foo.bar.com but not on cuz.bar.com. Safari doesn't do that.