Malory is creating a webpage in PHP where users will have to logon to gain access to certain areas of the site. Malory is concerned that malicious users might try to exploit her site, so she decides…

Malory is creating a webpage in PHP where users will have to logon to gain access to certain areas of the site. Malory is concerned that malicious users might try to exploit her site, so she decides to use the following code to prevent some attacks. What is Malory trying to prevent here? $username = addslashes($_POST["username"]); $password = addslashes($_POST["password"]);