You may see that web applications are everywhere, from online banking and shopping to social media and business portals. They offer convenience and accessibility to the user but they may also present significant risks if not properly secured. Web application security protects these applications from cyber threats. It involves securing the application from various threats, ensuring data confidentiality, integrity, and availability, and preventing unauthorized access or manipulation. It consists of a range of practices and tools designed to defend web applications against common cyberattacks.