Https protect the information both ways. It protect the data you upload but also the data you download. Thanks to https you can verify that the data you recieve

Https protect the information both ways. It protect the data you upload but also the data you download. Thanks to https you can verify that the data you recieve and is displayed by your browser is the one that was sent by the server and it hasn't been modified by any of potentially multiple intermediaries between you and the server. The way the Internet works, it will try to find a way from you to the server you are trying to contact, it doesn't guarantee you that you will pass only through trusted intermediaries. There are some stories of ISP changing http content to add advertisement or changing images for "lighter" one.