Does anyone know How to secure your website in Muse
This is not a Muse problem.
You simply have to get a SSL certificate.
Normally, the procedure is described on the website of your hosting provider.
Thanks Günther. Much appreciated!
Server Security begins at the hosting level with qualified technicians who understand server threats and do everything possible to avoid them. Regular software & security upgrades are essential. If your server isn't using the latest software it's probably not as secure as it should be.
Secure Socket Layer (SSL/TLS Certificates). Site visitors will see a secure HTTPS protocol in their browser. SSL/TLS certificates are obtained from a recognized authority like Comodo CA, DigiCert, or Let's Encrypt and installed on your server. Decide beforehand how much assurance, browser support, warranty amd encryption you will need for your site. Additiaonllly, there are 3 types of verficiation levels to consider.
For more on obtaining and installilng SSL/TLS Certificates, refer to the knowledgebase at Namecheap.com.