It has come to the IT administrator’s attention that the “post your comment” field on the company blog page has
been exploited, resulting in cross-site scripting attacks against customers reading the blog. Which of the
following would be the MOST effective at preventing the “post your comment” field from being exploited?
A.
Update the blog page to HTTPS
B.
Filter metacharacters
C.
Install HIDS on the server
D.
Patch the web application
E.
Perform client side input validation