@TeamYouTube for days now, there has been activity on my youtube account that is not mine including videos watched & subscriptions (in another language too). I have already signed out out of all my listed devices and changed my password and problem persists. can you please advise
Glad this was caught in time! Make sure to enable 2SV for enhanced account security. We also suggest adding extra layers of security to your account with these tips: https://yt.be/help/XEbn