In 2012, the loose association of tech-based activists protested bullying, LGBT discrimination, corporate media, Israel, Muslim genocide, police brutality, election-rigging, douchebaggery/bullying, surveillance, nationalist education, and of course Internet censorship—expanding both the range of its “causes” and the tools it deployed to defend them.
Of course, it’s impossible to say with certainty which actions "Anonymous" actually pulled off, since its membership is ill-defined and anyone can claim association, not to mention that sometimes Anonymous hacktivists act alone or as part of a subgroup. Even when Anonymous has put out one of its quintessential videos claiming responsibility for a hack or DDoS (Distributed Denial of Service—shutting down a website by flooding it with requests) attack, it hasn’t always turned out to be true.
Given that, below are Anonymous’ “Top 20” for 2012. With its widening arsenal and focus, one can only imagine what these Internet denizens have in store for 2013.