Security is one of the major issues in Wireless Sensor Networks (WSNs), as poor security disrupts the entire network and can have a significant effect on data transmission. WSNs need safe data transmission at a high rate while maintaining data integrity. By modifying the Z-MAC protocol and merging it with IHOP and elliptic-curve encryption techniques, the present research produced a novel protocol that enables safe data transfer. Additionally, the paper examined the IHOP technique for secure data transfer based on the Z-MAC protocol, which offers a simple and efficient key generation mechanism based on a hierarchical key management architecture. Additionally, the Z-MAC protocol offered low contention, high throughput, reduced latency, low power consumption, and increased efficiency. One of the most major applications of the Secure Z-MAC protocol may be the Vehicle Area Network, which would help in increasing highway automobile traffic while simultaneously enhancing individual safety and minimizing accidents.

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