The 4th International Conference on Internet of Things (CIoT 2022) will take place June 25-26, 2022 in Copenhagen, Denmark. Authors are invited to submit papers by April 23, 2022 on topics related to IoT security, applications, innovation, and more. Accepted papers will be published in the conference proceedings and selected papers will be published in related journals. Important dates include the submission deadline of April 23, 2022 and author notification by May 12, 2022.