A variant where the attacker includes malicious script content in data supplied to a site is the __________ vulnerability.

________ are software systems that make using computers more convenient or users, application developers and system administrators.

a) Operating systems b) Applications c) GUIs d) None of the above.

Network administrators and IT managers use network ____ to expose network vulnerabilities.

A. service providers B. operating systems C. interface cards D. security audits