LMAAS-IoT: Lightweight multi-factor authentication and authorization scheme for real-time data access in IoT cloud-based environment

Internet of Things (IoT) is a network of interconnected smart devices which provides tremendous benefits and can be applied in various fields including, but not limited to, healthcare, monitoring, and transportation. Since late of 2019, the world faces coronavirus (COVID-19) which has harmful consequences in humans’ life and economy. Reducing human interaction is the most important health measure to avoid the spread of the infection. In this...