Security is not binary. Setting up firewall and using 192 bit basic auth password for all your web properties is however going to stop maybe 99.9% of attacks th

Security is not binary. Setting up firewall and using 192 bit basic auth password for all your web properties is however going to stop maybe 99.9% of attacks that wildcard cert + subdomains will stop and takes like, 2 hours. If you can do both, sure, go for it. But there is certain truth in applying traditional normal approach first