This Practice Note introduces the Product Security and Telecommunications Infrastructure Act 2022 (PSTIA 2022), as it applies to cybersecurity, particularly in smart devices and the Internet of Things (IoT). Part 1 of PSTIA 2022 (the focus of this Practice Note) seeks to regulate IoT, network connectable and internet connectable products, with a focus on product safety and cybersecurity; Part 2 makes provision for telecommunications infrastructure. This Practice Note discusses PSTIA 2022 scope, duties imposed on manufacturers, importers and distributors, key guidance, practical steps for businesses, and dates of entry into force.