you have to activate two step verification

I think you're not waiting for another answer. Both the previous ones are prefect 👌👌 I was here to say them both. Do them.

Go to setting-privacy-active sesition-terminate ather active sesition.......slkh keza more secute lemadreg demo setting privacy two step verfication keza ke emailh ga be magenagnet password tasgebaleh keza yaleza pssword manm sew be ante acount megbat aychlm add acout siyadergu two step yteykachewal

You don't have to delete your account just go to setting and clear your active sessions