The security industry is evolving, and multiple disruptive factors are driving systemic changes. This research report, produced for Security Industry Association (SIA) members by Novaira Insights, assesses the state of this evolution as of early 2024. Security devices are increasingly becoming integrated in wider tech ecosystems such as the Internet of Things. Security systems integrators specialize in installing, combining and maintaining physical security systems. They need to adapt to the challenges being brought about via new technologies, business models and external societal factors. This report looks in more detail at the changes, suggests potential strategies for integrators to adapt and provides the end-user perspective.