Luke Lugares

Out of curiosity, if I have a similar problem with unauthorized logins (which I was not notified for). Is it possible to check what else other accounts and apps have been accessed (which I was not notified about)? For example, with bank accounts I had fraudulent transactions once and was notified, with my gmail I get notified when logging in from different computers. How about more obscure accounts such as Discord or Adobe Acrobat. Should I assume this "hacker" is accessing these other accounts and I'm not being notified. Similar to what happened with Evernote?