IoT-Based Security Models for Smart Connected Systems

Dimitrios Georgakopoulos

IoT-Based Security Models for Smart Connected Systems

Author(s)	Dimitrios Georgakopoulos
Country	Australia
Abstract	The rapid expansion of Internet of Things (IoT) technologies has transformed conventional devices into interconnected smart systems capable of sensing, communicating, processing, and exchanging information across digital environments. However, increasing connectivity also introduces security vulnerabilities involving unauthorized access, data interception, malicious software, device compromise, privacy violations, and network-based attacks. This paper examines IoT-based security models for smart connected systems through a conceptual and literature-based research approach. The study focuses on device security, network protection, data security, authentication, access control, encryption, intrusion detection, privacy protection, and security monitoring. The analysis identifies layered security architecture, strong authentication, secure communication, continuous monitoring, and intelligent threat detection as important components of IoT security. The study further examines security requirements across smart homes, healthcare systems, industrial environments, smart cities, transportation, agriculture, and energy infrastructures. Findings from the conceptual analysis indicate that IoT security requires coordinated protection across devices, networks, applications, and data-processing layers rather than dependence on a single security mechanism. Major challenges include resource constraints, heterogeneous devices, outdated software, weak authentication, interoperability limitations, privacy concerns, and evolving cyber threats. Future research should emphasize lightweight cryptography, AI-driven intrusion detection, zero-trust architectures, blockchain-supported trust mechanisms, privacy-preserving analytics, secure edge computing, and automated security management. The study concludes that robust IoT-based security models are essential for establishing trustworthy, resilient, scalable, and secure smart connected systems.
Keywords	Internet of Things, IoT Security, Smart Connected Systems, Cybersecurity, Authentication, Encryption, Access Control, Intrusion Detection, Data Privacy, Network Security.
Field	Engineering
Published In	Volume 4, Issue 6, November-December 2022
Published On	2022-11-30

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IoT-Based Security Models for Smart Connected Systems

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