https://en.wikipedia.org/wiki/Operation_Payback

https://www.independent.co.uk/news/uk/home-news/anonymous-calls-for-activists-to-help-expose-international-paedophile-networks-with-operation-deatheaters-9998350.html

https://content.time.com/time/specials/packages/article/0,28804,2111975_2111976_2112122,00.html

https://www.zdnet.com/article/time-magazine-readers-name-anonymous-most-influential-person