ascent generator valorant

Last night i was playing unrated and some toxic ass Chamber on the other team kept calling me a rat for flanking. Dude was literally out in the open with no cover with him clearly in my sight, not sure how that’s being a rat. But it’s been...

I have had someone access my account, play a few games, changed my settings and spend some in game currency. I've changed my password, buy how else can I prevent this from happening? How were they able to in the first place?