If you are writing about a specific software package or a custom internal protocol, you might follow this structure:
: The industry-standard protocol for securing communications over a computer network. TLS 2.7z
: This version numbering often refers to specific software releases, such as Zowe Version 2.7.x , which is an open-source framework for IBM z/OS that uses Application Transparent Transport Layer Security (AT-TLS). If you are writing about a specific software