Fediverse

I need a little help here. I run into an unexpected occurrence, one that leaves me still wondering how it came about. I logged into my Lemmy account to disable 2FA because from my engagements, it's not functional (if it is, kindly help me). I was required to provide a token when I couldn't even obtain the codes then I run into the most bizarre thing ever...what looks like porn sites. I'm confused, perplexed to say the least. Is there something I'm not doing right? How did this come to be plus I'm making use of the Brave browser which does a fair job at keeping ads at bay. I don't think they are ads. Am I the only one that has encountered this and if no, what's how did you go about handling it? Thanks!