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Web security principles focus on protecting web applications, data, and users from threats by ensuring confidentiality, integrity, and availability of information. Key principles include authentication and authorization (verifying users and controlling access), input validation (preventing malicious data such as SQL injection or cross-site scripting), encryption (using HTTPS to secure data in transit), and least privilege (granting only necessary permissions). Vulnerability mitigation involves identifying and reducing security weaknesses through practices like regular security testing (e.g., penetration testing and code reviews), patch management to fix known issues, secure coding standards, and the use of firewalls and intrusion detection systems. Together, these approaches help minimize risks, prevent exploitation, and ensure a resilient and secure web environment.
This lecture is part of CYB104 Principles Of Web Development 2 in the Cyber Security department. The course has 15 recorded lectures across 5 series, all free to watch.