Securing Internet of Things (IoT) ecosystems: Addressing scalability, authentication, and privacy challenges
Imad Saeed Abdulrahman, Gabriel Tosin Ayodele, GRACE EFAHN EGBEDION, JACOB ALEBIOSU, EZEAGBA JETTA SOMTOCHUKWU, Omotolani Eniola Akinbolajo · World Journal of Advanced Research and Reviews · 2025
The rapid expansion of the Internet of Things (IoT) has revolutionized industries, enhancing automation, connectivity, and data-driven decision-making. However, as IoT ecosystems grow, they face significant security challenges related to scalability, authentication, and privacy. This study explores these challenges, emphasizing the need for robust security measures to protect vast networks of interconnected devices. The research identifies scalability as a major concern, highlighting issues such as managing millions of IoT devices, network congestion, and resource limitations. Authentication mechanisms are examined, focusing on lightweight security protocols, multi-factor authentication, and blockchain-based solutions to mitigate unauthorized access. Furthermore, privacy risks associated with large-scale data collection and transmission are analyzed, underscoring the importance of encryption, anonymization, and user-controlled data access. The findings suggest that integrating AI-driven security solutions, decentralized authentication models, and regulatory compliance measures can significantly improve IoT security. This study provides a roadmap for securing IoT ecosystems, ensuring resilience against evolving cyber threats while maintaining efficiency and user privacy.