How Internet Censorship Threatens IoT Systems Proton Proton The Internet of Things rests on a simple premise: devices talk to each other across a free and open internet. Smart city sensors stream data to municipal dashboards. Connected medical devices relay patient vitals to healthcare providers. Industrial IoT systems coordinate supply chain logistics in real time. All of this assumes the internet is truly interconnected. But what happens when it isn't? According to Freedom House's Freedom on the Net 2025 report, global internet freedom declined for the 15th consecutive year. Of 72 countries assessed, conditions deteriorated in 28 while only 17 saw improvements. China has remained the world's worst environment for internet freedom for over a decade. The report highlights that government manipulation of online information has undergone the most consistent global decline of any indicator measured over 15 years. For the IoT industry, this is not an abstract policy debate. Internet censorship through website blocking, content filtering, or shutdowns directly undermines the infrastructure that connected devices rely on to function. IoT devices depend on continuous network access. When governments block services, throttle bandwidth, or sever connectivity entirely, the consequences cascade through the ecosystem. As IoT For All has explored, urban IoT systems depend on uninterrupted data flows between sensors and central platforms. Traffic signals that adjust in real time, environmental monitoring stations, and smart parking systems all assume that data can move freely. Now imagine a government-ordered internet shutdown, or targeted blocking of cloud services hosting IoT platforms. Smart infrastructure stops working when the network fails. Emergency alert systems built on IoT frameworks go silent. Russia has repeatedly shut down mobile internet across large regions, disrupting digital payment systems and IoT-dependent commerce. These shutdowns demonstrate how quickly the absence of connectivity can paralyze the digital economy. Censorship and surveillance often