DEC 2007 |

Canada-based internet paedophile Chris Forcand was arrested after Anonymous contacted the police. It was the first time a suspected internet predator was arrested as a result of internet vigilantism.

JAN 2008 |

A series of protests and Denial of Service (DoS) attacks on the Church of Scientology were launched by Anonymous after the Church issued a copyright violation claim against YouTube for hosting a video of a leaked interview with scientologist Tom Cruise.

JAN 2009 |

Anonymous targeted California teen McKay Hatch who was running 'No Cussing Club', a website against profanity by leaking his home address, phone number, and other personal information on the internet.

JUN 2009 |

Anonymous, together with The Pirate Bay and various Iranian hackers, joined Iranian Green Movement by launching Anonymous Iran. The Movement demanded removal of president Mahmoud Ahmadinejad after allegations of election rigging. The site allows for information exchange between the world and Iran.

FEB 2010 |

A series of DoS attacks on Australian government websites were carried out to protest against the proposed web censorship regulations that would mainly filter sites with pornographic content.

SEPT 2010 |

After Bollywood companies launched distributed DoS attacks on websites that did not respond to software takedown notices, Anonymous launched Operation Payback that consisted of DDos attacks against anti-piracy groups and law firms.

DEC 2010 |

When WikiLeaks came under intense pressure to stop publishing secret US diplomatic cables, Anonymous launched DDoS attacks against Amazon, PayPal, MasterCard, Visa and the Swiss bank PostFinance, for freezing donations to WikiLeaks.

JAN 2011 |

The websites of the government of Tunisia and Egypt were targeted during the revolutions.

APR 2011 |

Anonymous launched a DoS attack against the Sony website in response to Sony's lawsuit against American hacker George Hotz who had earlier hacked PlayStation 3.

JUN 2011 |

Anonymous supported the civil movement against corruption in India by hacking the website of the National Informatics Centre.

AUG 2011 |

Several contingents of Anonymous wholly supported the Occupy Wall Street movement.

AUG 2011 |

Anonymous hacked the website of Syrian Defense Ministry and replaced it with the vector image of the pre-Ba'athist flag, a symbol of the pro-democracy movement in the country, as well as a message supporting the 2011 Syrian uprising.

OCT 2011 |

Anonymous took down 40 child porn sites and published names of over 1, 500 people frequenting the websites

JAN 2012 |

To protest against the shutdown of file sharing service Megaupload, Anonymous DDoSed the website of Universal Music Group which had filed the lawsuit against Megaupoload.

APR 2012 |

Anonymous defaced the official Formula One site and several F1 fan sites to protest the event being organised in Bahrain, where anti-government protestors were being oppressed.

MAY 2012 |

Anonymous launched an attack against Reliance Communications and several Indian government websites including that of the Supreme Court in reaction to ISPs blocking popular video sites like Vimeo as well as file-sharing sites like The Pirate Bay.