An Anonymous-branded hacker claims to have knocked London's police website offline
There were 53 arrests during the Million Mask March this weekend.
Hackers attack Olympics anti-doping organizations
They used phishing emails to try to gain login credentials.
Anonymous hacks Sarah Silverman after she calls Bernie Sanders supporters 'ridiculous'
The hacker linked to an anti-Clinton video from Anonymous.
Anonymous hacker floods ISIS Twitter accounts with gay porn
Hacktivist Wauchula Ghost goes to war with ISIS online.