i am not sure the breadth of this yet, but my username was briefly changed using oauth tokens. i am trying to figure it out. i dont know the source at this time but i can confirm someone did change my name.
im sorry, im looking into it now
nostr:note1sxjcl4pjjldmchn96lje5v2nsydw6s9wvh5nszzaugv9juttwqusdjh77r