  Tor Onion Services are a way to host websites and other internet services
anonymously. Onion Services are often used to bypass internet censorship and
provide information services to users in oppressive regimes. This paper
presents an analysis of the security defences deployed on these Onion Services.
Onion Services tend to have better security policy than sites on the clear web.
However they lag behind in the deployment of HTTPS, a key defence to ensuring
the security of users of such services.
