Security+ and Query Attacks

Are you preparing to take the Security+ exam? If so, make sure you can identify common attacks. For example, can you answer this question?

Q. Looking at logs for an online web application, you see that someone has entered the following phrase into several queries:

' or '1'='1' --

Which of the following is the MOST likely explanation for this?

A. A buffer overflow attack

B. An XSS attack

C. A SQL injection attack

D. An LDAP injection attack

Check out the answer (and the full explanation) here.