A2.4 Network security

This section explores the principles of network security, focusing on how systems are protected from unauthorized access and data breaches. Students will discuss the role and effectiveness of firewalls in securing networks, and examine how encryption and digital certificates ensure data integrity and confidentiality during transmission. Higher-level students will also investigate common network vulnerabilities and the countermeasures used to mitigate risks, developing a comprehensive understanding of how networks defend against evolving cyber threats.