Somewhat related. U2F, which Yubikey supports does help prevent against DNS spoofing. A DNS name which looks very similar but is not the true DNS name of the si

Somewhat related. U2F, which Yubikey supports does help prevent against DNS spoofing. A DNS name which looks very similar but is not the true DNS name of the site you want to connect to. Something that a human might not notice or get confused by will be stopped by U2F.