Microsoft Defender SmartScreen
Microsoft Defender is software running on your computer. It has nothing to do with twitter ~~~ embed:1334188673429090304 gets closer to the truth twitter metadata:bGxpbndvb2R8fGh0dHBzOi8vdHdpdHRlci5jb20vbGxpbndvb2Qvc3RhdHVzLzEzMzQxODg2NzM0MjkwOTAzMDQgZ2V0cyBjbG9zZXIgdG8gdGhlIHRydXRofA== ~~~
You can see why here: https://www.joesandbox.com/analysis/326082/0/html
The site is hosting an infected copy of chrome.exe. They probably don't realize they've been compromised