Exposing the CUII A private organization controlling what websites to block in Germany-without courts, without transparency. What is the CUII? The Clearingstelle Urheberrecht im Internet (CUII) is a private organization established in Germany in 2021. Its members include ISPs like Deutsche Telekom, Vodafone, 1&1, and Telefónica (O2), alongside major copyright holders 1 . These ISPs alone control…