Author(s) :

Amrita Rastogi.

Volume/Issue :

Abstract :

The Internet of Things (IoT) has rapidly transformed several industries, including transportation, smart homes, healthcare, and industrial automation. However, with the increasing reliance on the inter-relatedness of IoT devices, we face significant security threats, such as Man-in-the-Middle (MitM) attacks and Distributed Denial-of-Service (DDoS) attacks. MitM attacks allow attackers to listen to and manipulate communication between the device, leading to data exposure and unauthorized access, while DDoS attacks consume network resources, reducing device life expectancy and increasing energy usage. This research proposes a security framework to mitigate MitM and DDoS attacks in IoT and wireless sensor networks (WSNs). This framework utilizes strong encryption solutions, mutual authentication protocols, and blockchain-based trust management to support security while lowering computational overhead. The proposed framework prevents unauthorized access through lightweight ciphering approaches appropriate for resource-limited IoT devices, while blockchain technology utilizes a decentralized, tamper-proof ledger for device authentication based on communication logs. Proposed research identifies and discusses important security and privacy challenges: linkability, unauthorized communication, and side-channel attacks.

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