At the time the article was posted the Mandiant profile displayed the message “This account doesn’t exist.” https://arstechnica.com/security/20...ity-firm-mandiant-pushes-cryptocurrency-scam/
Wow, very troubling since they claim to use 2FA. So perhaps an infostealer was involved who hijacked cookies, but even more alarming is that it may also have been caused by some website XSS attack. I wonder if NoScript or uBlock can protect against such an attack?