The radical Islamist preacher created a Twitter account that lasted five days and a Facebook page that lasted all of eight minutes.
New Zealand Prime Minister Jacinda Arden said she would raise the findings of an 800-page report on the attack with YouTube's leadership.
After infiltrating Twitter, Facebook, and Telegram, ISIS is attempting to make a name for itself on an app popular among Gen Z.
The story of the four British men infamous for torturing and beheading prisoners in Syria.
And that's a problem.
The story of Tooba Gondal's transformation into Umm Muthanna al-Britannia, in her own words.
We asked a counter-terrorism practitioner what may happen if people start to focus more on neo-Nazis than Muslims when trying to fight extremism.
The teens were arrested in Bankstown laneway with "bayonet-type knives" they'd alleged bought at a gun shop.
Last month, it was revealed that the UK's most dangerous convicted extremists will be kept in special high-security units in order to prevent them from spreading their ideologies to other inmates.
After the San Bernardino shootings and the tragic terrorist attacks in Paris, I asked some of my friends, who have dabbled in extremism, what the draw is for so many young muslims.
Umm Muthanna al-Britannia has documented her defection to the "Islamic State" on social media. From ISIS controlled territory in Syria, she recently tweeted, "I came here to die. I will not leave till I get what I came here for..."
If passed, the laws will lower the age that control orders can be applied and extend the period police can hold a terror suspect without charge.