Cybersecurity incident — 2016-06-20 00:00:00
Affected organization: Oi
Affected country: Brazil
Industry: Information
Event type: Disruptive
Event subtype: Message Manipulation
Motive: Undetermined
Actor: Red Hell Sofyan
Actor type: Hacktivist
Actor country: Brazil

An Algerian hacker called Red hell Sofyan defaces the official website of Oi telecom along with several of its subdomains.