Even if someone is trying to log into my account, I don’t understand how thousands of auth requests doesn’t trigger some kind of red flag and lock the account or something.
Do they look like this, OP? semi-related: did you enable multi-factor authentication on your account?
https://i.imgur.com/B40pIBW.png
If you feel comfortable so I can look into this further, please drop me a Reddit DM with your Riot ID (it'll look like Riot danhonks#NVB94
)