Abstract The Internet of Things (IoT) comprises physical/virtual networked objects that collect
and exchange data with each other via the public Internet. As this exchange often takes
place over public networks, many security attacks in an IoT environment are possible. First,
we briefly review the security issues in the IoT environment. Next, we focus on recent
cryptographic protocol standards that are in use or have been recommended for IoT devices
to ensure secure communications. We also highlight the advantages and weaknesses of the …