Information Security (InfoSec) is a set of security procedures that broadly protect sensitive information from misuse, unauthorized access, disruption, or destruction.
https://www.microsoft.com/en-us/security/business/security-101/what-is-information-security-infosec#:~:text=Information%20security%2C%20often%20abbreviated%20(InfoSec,access%2C%20disruption%2C%20or%20destruction.