Out of the most entrusted technological revolutions applied for the advancement of living standards and creation of a more convenient operation in the professional world, the Internet of Things (IoT) has been progressing at the highest projected pace. The interconnectivity of gadgets and devices over the internet to produce smarter control, communication, and a swift and easy lifestyle makes it an amazing tech introduction. However, the IOT also brings along a huge flow of privacy and security concerns whilst considering the huge inflow of data breaches and cyberattacks in the network data. The advancements in the security protocols of the data thus bring along mistrust among the users of IoT networks who might then no longer wish to be a part of this technological revolution. Therefore, it is important to maintain security assurance in the IoT based connection networks of wearable gadgets. This paper discusses the symmetric and asymmetric approaches of encryption over IoT which can help protect the network of smart phones connected to the wearable to assure a safe and smart data commute and avoid access to private data over the same internet connection.

In this paper, we study a about blockchain technology as blockchain is the new trend and has attracted various niches. It has un-hackable security characteristics. Earlier blockchain considered only as crypto-currencies or Bitcoin. But nowadays the versatility of blockchain is emerging. This paper is all about the blockchain technology, its security aspects and the challenges in the blockchain field. There have been so many benefits of blockchain technology in the field of persistency, decentralization etc. Also, it can benefit different perspectives in the technological arena and application arena. This review helps us to know the basic aspects of blockchain and cyber-security.

Improve the Quality of Service in Time Division Multiple Access based Vehicular Ad Hoc Network - written by Monisha Gupta , Dr. Sahil Verma published on 2020/05/16 download full article with reference data and citations

In recent years, Vehicular ad hoc networks emerge as the promising applications of Mobile ad hoc network. It is specially designed for road safety and comforts to people. It assists vehicles to communicate among themselves and to perceive the road situation such as accidents or traffic jams in their vicinity. This goal can be achieved by using safety applications which can broadcast the warning messages wirelessly between neighboring vehicles informing drivers of any dangerous situation nearby. Vehicles use transmission channels, which is shared medium and neighboring nodes are not allowed to transmit simultaneously because a transmission collision may occur. Therefore, Medium Access Control (MAC) protocols are required to proficiently share the medium and dependable conveyance of messages. Sharing the medium efficiently in VANET is a difficult task due to the special characteristics like high node mobility, frequently changing topology, etc. Various Time Division Multiple Access (TDMA) based MAC protocols have been proposed as it provides bounded delay with less packet loss ratio than other multiple access schemes and experiences no interference from concurrent transmission. In this paper, the comparative analysis of different classification of TDMA-based protocols has presented. The protocols are compared on the basis of different performance metrics such as access collision, merging collision, synchronization, safety services, scalability, etc. Some of the execution measurements are highlighted in the introduction section. In addition to, comparative analysis their design issues, advantages and drawbacks are also discussed.