International Journal of Scientific & Engineering Research Volume 12, Issue 6, June-2021 52 ISSN 2229-5518 IJSER © 2021 http://www.ijser.org Internet of Things (IoT) Security: Issues, Challenges and Solutions. * Saira Afzal 1 , Abdullah Faisal 1,2 , Imran Siddique 2 ,Mariam Afzal 3 1 Department of Information Technology, Lahore Leads University, Lahore (Pakistan). 2 Department of Computer Science, Afro Asian Institute, Lahore (Pakistan). 3 University of Narowal, Punjab, (Pakistan). *Corresponding Author: sairaafzal322@gmail.com Abstract--The Internet of Things (IoT) paradigm envisions a world in which billions of interconnected objects are equipped with artificial intelligence, internet access, and sensing and actuation capabilities. Instead of a small number of powerful computing devices in our lives, the theory assumes that we should have a large number of devices that are comparatively less powerful. In other words, providing computational and internet capability in just about every mundane entity we have. An earlier buzzword for roughly the same definition was “ubiquitous computing”. The Internet of Things has just improved the idea of internet convergence. The problem of IoT protection is extremely complicated. Integrity violations may come from a variety of outlets, none of which are mutually exclusive. Since this technology is only in its early stages, both consumers and suppliers are looking for the best options. Malware threats and system hijacking, poor consumer knowledge due to a lack of understanding, a lack of official patches, and rogue IoT applications are all examples of Internet of Things security issues. Keeping the IoT network apart from the others, for example, is one step users should take to mitigate the effects of poor protection. By avoiding plug-and play functionality, you can save time and money. Not using cloud computing Passwords for IoT devices should be special and complicated. Index Term—Internet of Things, Security, Issues, Encryption, Cloud Computing. I. INTRODUCTION IJSER