Last night, a full list of the British National Party’s members leaked out to the public at large. Obviously, that’s a huge data breach, as a person has a right to privacy of their political beliefs, but many believe the BNP to be an extremist organisation. Members of the BNP are banned from the police force, and they’re refused a platform in many students’ unions.

Aside from looking up family members, several enterprising geeks have been doing some scary stuff with the data. One of the most popular mashups is a Google map that displays where the BNP members near you live – though the map appears to have just been taken down. It was just based on postcodes, so it’s not accurate down to the household – just the general area. Even so, the addresses are in the full list, so it doesn’t take much effort to track down a particular person in your town.