[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-1-en-105":3,"doc-detail-573513-en":53,"doc-seo-573513-105":76},{"code":4,"msg":5,"data":6},0,"success",[7,14,19,24,29,34,39,44,49],{"id":8,"doc_module":9,"doc_module_name":10,"category_name":11,"show_sort_weight":12,"slug":13},11,1,"Template","Presentations",90,"presentations",{"id":15,"doc_module":9,"doc_module_name":10,"category_name":16,"show_sort_weight":17,"slug":18},12,"Resumes",80,"resumes",{"id":20,"doc_module":9,"doc_module_name":10,"category_name":21,"show_sort_weight":22,"slug":23},14,"Invoices",70,"invoices",{"id":25,"doc_module":9,"doc_module_name":10,"category_name":26,"show_sort_weight":27,"slug":28},15,"Posters",60,"posters",{"id":30,"doc_module":9,"doc_module_name":10,"category_name":31,"show_sort_weight":32,"slug":33},16,"Social Media",50,"social-media",{"id":35,"doc_module":9,"doc_module_name":10,"category_name":36,"show_sort_weight":37,"slug":38},17,"Forms",40,"forms",{"id":40,"doc_module":9,"doc_module_name":10,"category_name":41,"show_sort_weight":42,"slug":43},18,"Letters",30,"letters",{"id":45,"doc_module":9,"doc_module_name":10,"category_name":46,"show_sort_weight":47,"slug":48},21,"Paper Templates",5,"papers-templates",{"id":50,"doc_module":9,"doc_module_name":10,"category_name":51,"show_sort_weight":4,"slug":52},158,"General","general-158",{"code":4,"msg":5,"data":54},{"doc_id":55,"user_id":56,"nickname":57,"user_avatar":58,"doc_module":9,"category_id":8,"category_name":11,"doc_title":59,"doc_description":60,"doc_content":61,"file_id":62,"file_url":63,"file_type":64,"file_size":65,"view_count":66,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":67,"language":68,"language_code":69,"site_id":70,"html_lang":69,"table_of_contents":71,"faqs":72,"seo_title":73,"seo_description":60,"update_tm":74,"read_time":75},573513,8796095461564,"Liam","https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Creating a Secure Messaging App and Protect From Hackers - Paper","Secure and real-time communication is critical for both personal and professional interactions, especially under growing cyber threats. This project proposes a modern messaging application built with Next.js for a responsive UI, Socket.io for low-latency real-time bidirectional messaging, and ZEGOCLOUD for high-quality voice and video calls. It supports instant delivery, typing indicators, presence, and receipt acknowledgments, while integrating encrypted communication in transit. End-to-end encryption, JWT authentication, role-based access control, and protections against common attacks such as XSS, CSRF, and SQL injection enhance privacy, scalability, and cross-platform usability.","Creating a Secure Messaging App and Protect From  \nHackers  \n1M. Fathima Begum, 2D.vinay Sagar, 3R.Govardhan Reddy  \n1Assistant Professor, Department of Computer Science and Engineering and Cyber Security (UG), Madanapalle Institute of  \nTechnology & Science (Autonomous), Madanapalle, India  \n2,3UG Scholar, Department of Computer Science and Engineering and Cyber Security (UG), Madanapalle Institute of Technology  \n& Science (Autonomous), Madanapalle, India  \n[E-mails:](E-mails:1fathimabegumm@mits.ac.in)[1](E-mails:1fathimabegumm@mits.ac.in)[fathimabegumm@mits.ac.in](E-mails:1fathimabegumm@mits.ac.in), [2](2vinaysagar7389@gmail.com)[vinaysagar7389@gmail.com](2vinaysagar7389@gmail.com), [3](3govardhan.rallapalli@gmail.com)[govardhan.rallapalli@gmail.com](3govardhan.rallapalli@gmail.com)  \nAbstract-Secure and real-time communication has become essential for both personal and professional interactions. This project aims to develop a modern messaging application using Next.js for a responsive front-end framework, [Socket.io](Socket.io) for real-time bidirectional communication, and ZEGOCLOUD to enable high-quality voice and video calling capabilities. The app will be designed to provide seamless text, audio, and video communication while maintaining a focus on user experience and cross-platform compatibility. To ensure real-time messaging, [Socket.io](Socket.io) will be used to implement low-latency and event-driven communication between users. This enables features such as instant message delivery, typing indicators, online/offline presence, and delivery receipts. The voice and video calling functionality will be integrated using ZEGOCLOUD’s SDK, allowing peer-to-peer connections with minimal delay and support for multiple participants. All communications will be encrypted in transit using secure protocols like [HTTPS](HTTPS)[and WebRTC encryption to protect user data. Security is](and WebRTC encryption to protect user data. Security is)[ ](and WebRTC encryption to protect user data. Security is)[at the core of this project](at the core of this project). The app will implement end-toend encryption (E2EE) for messages, user authentication via JWT (JSON Web Tokens), and role-based access controls to guard against unauthorized access. Additional features like two-factor authentication (2FA), data sanitization, and protection from common attacks (such as XSS, CSRF, and SQL injection) will be incorporated. By leveraging modern frameworks and best practices in both frontend and backend development, this app will provide users with a highly secure, scalable, and feature-rich messaging platform.  \nKeywords: Secure messaging app, real-time communication, Next.js, [Socket.io](Socket.io), ZEGOCLOUD, voice and video calls, WebRTC, end-to-end encryption (E2EE), JWT, two factor authentication (2FA), cross-platform compatibility, lowlatency messaging, user authentication.  \nI. INTRODUCTION  \nIn today's digital era, communication has transcended traditional boundaries, with instant messaging applications becoming integral to personal and professional interactions. The demand for secure, real-time communication platforms has surged, driven by the need to protect sensitive information from potential cyber threats. The integration of voice and video calling features further enhances user engagement, offering a comprehensive communication experience. However, developing such applications presents challenges, including ensuring low-latency communication, maintaining data security, and providing a seamless user experience across various devices and networks. Addressing these challenges necessitates the adoption of robust frameworks and technologies that can deliver real-time capabilities while upholding stringent security standards. Objectives The primary objective of this project is to develop a secure messaging application that facilitates real-time text, voice, and video communication. The application aims to incorporate the following features: Rea","cbCaius9Bglw67rK","https://ap.wps.com/l/cbCaius9Bglw67rK","pdf",554335,3,6,"English","en",105,"# I. 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