This occurs when parties hand over data — for instance to mortgage providers — making them a data processor and picking up supply chain liability in the process. (iflr.com)
It now turns out that the other major search engines handed over the data. (blog.privacylawyer.ca)
The new law will also allow the police to force internet firms to hand over data showing who is using a computer or smartphone at any particular time. (theguardian.com)