Abstract: Organizations must adopt a comprehensive approach to safeguard user identities and sensitive data in the face of increasingly sophisticated web-based attacks. This article presents a multi-faceted strategy for defending against modern web threats, addressing key aspects such as phishing prevention, secure authentication mechanisms, protection against cross-site scripting (XSS) and cross-site request forgery (CSRF) attacks, browser and endpoint security, web application security best practices, and the implementation of a Zero Trust security model. By examining the current landscape of web-based threats and providing actionable recommendations, this article aims to empower organizations with the knowledge and tools necessary to combat evolving cyber threats effectively. The proposed defensive measures encompass user awareness and education, robust technical controls, secure coding practices, and adopting technologies such as multi-factor authentication, biometric authentication, web application firewalls, and browser isolation techniques. Additionally, the article emphasizes the importance of a proactive approach to incident response and threat intelligence, enabling organizations to swiftly detect, contain, and mitigate web-based attacks. By implementing these strategies, organizations can significantly enhance their resilience against modern web threats, safeguarding user identities, protecting sensitive data, and maintaining a secure online presence in an increasingly hostile digital environment