I remember when I was in Greek college and we were building a login app with PHP and MySQL. We actually were storing every password in plain text and I asked my

I remember when I was in Greek college and we were building a login app with PHP and MySQL. We actually were storing every password in plain text and I asked my professor why shouldn't we hashed them for better security and he was like "that's not necessary cause we overload the server hashing all those passwords". For a moment I thought I was paranoid but then I start thinking how vulnerable some systems may be.