Solid Threat Model

[elf-pavlik]

Since this draft was started, there was a security review done as a part of the Linked Web Storage chartering process.

• https://github.com/w3c/strategy/issues/377#issuecomment-2168179839
• https://github.com/solid/solid-wg-charter/pull/80

I also saw this presentation during FedID WG+CG meeting https://docs.google.com/presentation/d/1ZqN-qAjeCp13WmTyyfXQJTMS-9JVidy82UAVzyrzqDg/edit#slide=id.p

We should take all that into account in the process of restructuring this document, which also includes #15