Twitch is forcing streamers to up their security after a page for a game became filled with porn.

Last weekend, a group of accounts hosted a slew of inappropriate content tagged under Valve's card game Artifact. This included sexual content, memes, streams of other games, and even a video of the Christchurch attacks, according to Kotaku.

Streamers will now have to set up mandatory two-factor authentication to ensure that their channels are safe from being used to repeat this activity.

Twitch announced the changes on Twitter, saying it was "working with urgency" to remove all of the inappropriate content, and that it had also temporarily banned new creators and accounts from broadcasting live. The ban has since been lifted.

Over the weekend we became aware of a number of accounts targeting the "Artifact" game directory to share content that grossly violates our terms of service. Our investigations uncovered that the majority of accounts that shared and viewed the content were automated.

— Twitch Support (@TwitchSupport) May 28, 2019

We've been working around the clock to resolve this issue and are pleased to share that new creators can now stream again on Twitch. To help keep Twitch safe, all new streamers will need to set up two-factor authentication. Here's how: https://t.co/NPOJv7jvd6

— Twitch Support (@TwitchSupport) May 30, 2019