What Does the S in https Stands For?

Software

s in https stands for

https://www.watchtowerhq.co/  
HTTPS stands for Hypertext Transfer Protocol Secure, which is an extension of HTTP and S stands for Secure. It is used for secure communication over a computer network, and is widely used on the Internet. In HTTPS, the communication protocol is encrypted using Transport Layer Security or, formerly, Secure Sockets Layer.