If your Instagram account gets hacked then you should change your passwords because changing your password is the most important step in recovering from a hacked Instagram account. Ensure that you've changed your password right away. You'll need to enter your old and new passwords in the same order. You'll want to make sure your passwords are unique and hard to guess. After doing this, change your username and profile picture. Don't forget to change your profile settings.

For more information - https://onlinegeeks.net/recover-disabled-hacked-or-deleted-instagram-account/