All injection attacks are successful because the web application fails to properly sanitize user input. What do we mean when we say that input needs to be sanitized $($i$.$e$.,$ what is a web application that is sanitizing input doing?$)$

Group of answer choices

Sanitizing input means to verify that the input does not contain any malicious content.

Sanitizing input means to verify that the input comes from a trusted host.

To sanitize input the network traffic must be routed through a firewall.

Sanitized input to a web server must be encrypted $($i$.$e$.,$ the web server uses HTTS and not HTTP$).$