Cybersecurity incident — 2015-11-18 00:00:00
Affected organization: Islamic State Twitter accounts
Affected country: Undetermined
Industry: Other Services (except Public Administration)
Event type: Disruptive
Event subtype: Message Manipulation
Motive: Undetermined
Actor: Anonymous
Actor type: Hacktivist
Actor country: Undetermined

In name of #OpParis, the activist group Anonymous claims to have taken down 5,500 pro-ISIS Twitter accounts.