Infosec, short for information security, refers to the practice of protecting information from unauthorized access, disclosure, alteration, and destruction. It encompasses various strategies and technologies designed to safeguard sensitive data, whether it is stored on computers, transmitted over networks, or processed in any form. The field of Infosec includes several key areas, such as network security, application security, and data protection. Professionals in this field work to identify vulnerabilities, implement security measures, and respond to incidents to ensure the confidentiality, integrity, and availability of information.