The Anonymous Hacking group on Sunday declared Total War against the ISIS, the Islamic State terror organization that claimed responsibility for the Paris attacks on Friday that killed 129 people and hundreds more injured. ISIS has issued some anti-hacking tips to pro-ISIS supporters to protect against cyber attacks. ISIS issues 5 Lame Advice to avoid getting hacked by Anonymous on a separate Telegram channel, Khilafah News, on the same channel as Anonymous. ISIS is taking Anonymous hackers seriously, as the hacktivist group has already taken down more than 5,500 Twitter accounts linked to ISIS supporters and members.
Source: https://thehackernews.com/2015/11/isis-anonymous-hacking.html