what does it refers to?
It  is a security software suite that consists of anti-malware, intrusion prevention and firewall features for server and desktop computers
Symantec Endpoint Protection
Symantec Endpoint Protection, developed by Broadcom Inc., is a security software suite that consists of anti-malware, intrusion prevention and firewall features for server and desktop computers.
what is the current version of symantec endpoint protection Version 12.1.2
wiki:8387159
Symantec Endpoint Protection [SEP] Introduction
Symantec Endpoint Protection, developed by Broadcom Inc., is a security software suite that consists of anti-malware, intrusion prevention and firewall features for server and desktop computers. It has the largest market-share of any product for endpoint security.