This report provides a comprehensive overview of Extended Validation (EV) SSL certificates, focusing on their role in enhancing network security. It defines EV SSL as a crucial technology for verifying the legal entity of websites and computer software, emphasizing its importance in data integrity and encryption. The report details the advantages of EV SSL, such as improved security, reliability, and the ability to manage security-related issues, especially in e-commerce. It explains the operational aspects of EV SSL certificates, including how they facilitate secure connections between browsers and web servers, and the process of verifying security issues. The report highlights the importance of SSL certificates in protecting against cyber-attacks and building trust with consumers. References to previous studies are included to support the findings, and the report concludes by stressing the reliability of EV SSL certificates for both small and large businesses.