A Computer Science Cyber Security job involves protecting computer systems, networks, and data from cyber threats such as hacking, malware, and data breaches. Professionals in this field analyze security risks, develop protective measures, and respond to cyber incidents. They work with encryption, firewalls, intrusion detection systems, and security protocols to safeguard sensitive information. Careers in this field include cybersecurity analysts, penetration testers, and security engineers, often requiring knowledge of programming, networking, and digital forensics.