The Hacker Group Anonymous who promised war against the terror organisation, Islamic State of Iraq and Syria (ISIS), today, claimed to have taken down 5,500 Twitter accounts linked to the IS group. The group came forward after the brutal attack on Paris that killed 129 and injured more than 300, of which ISIS claimed responsibility. The launched their campaigned and named it #OpParis. However, it is not clear how the ISIS accounts would have been disabled. In a tweet, they said that they would release the list of the accounts soon. #OpParis tweeted saying, “Our upcoming action: spamming verified ISIS hashtags with rickrolls. Will release the list as soon as it’s compiled.” (Also Read: Hacker group Anonymous releases video declaring war on ISIS) Also Read - Delhi 'ISIS' Operative Arrest: 'Explosives Found in Raid at Suspect's Home', Says Police

To help Anonymous in their war, security groups like Ghost Security (an offshoot of Anonymous) have also joined the online war against ISIS. After ISIS declared war via their YouTube channel, Anonymous made public the letter that ISIS members circulated among themselves to be aware from the counter group. Also Read - ‘Intended to Carry Out Attack Around August 15’: Delhi Police on ISIS ‘Terrorist’ Arrested Last Night

You can also report to Anonymous if you come across any ISIS Twitter account and the Anonymous can wipe off its  presence. The Anonymous has been a long-running campaign since long, but came into limelight with the Islamic State group’s recent war against France. on Friday.