Yesterday the BPD got defaced, the hacktivist group Anonymous taking claim. For a while the site had a OWS message (related to Boston's forced exit of the Occupy Boston protesters.) The site seems to be back to normal now.
This is one of many F*uckFBIFriday hacks that were planned for yesterday. And the group says there's more to come for law enforcement agencies who deny right of speech demonstrators.
More info can be found here: http://www.myfoxboston.com/dpp/news/local/boston-police-dept-web-site-hacked-20120203