An intruder might install this on a networked computer to collect user ids and passwords from other machines on the network.

Related MCQs

• This is a type of network security attack in which the intruder takes control of a communication between two entities and masquerades as one of them.
• In what type of attack does an intruder manipulate a URL in such a way that the Web server executes or reveals the contents of a file anywhere on the server, including those lying outside the document root directory?
• This type of intrusion relies on the intruder's ability to trick people into breaking normal security procedures.
• This is a series of messages sent by someone attempting to break into a computer to learn which computer network services the computer provides.
• An IDS follows a two-step process consisting of a passive component and an active component. Which of the following is part of the active component?
• When discussing IDS/IPS, what is a signature?
• One of the most obvious places to put an IDS sensor is near the firewall. Where exactly in relation to the firewall is the most productive placement?
• This is the modification of personal information on a Web user's computer to gain unauthorized information with which to obtain access to the user's existing accounts.
• This electronic "credit card" establishes a user's credentials when doing business or other transactions on the Web and is issued by a certification authority.
• This is the name for a group of programmers who are hired to expose errors or security holes in new software or to find out why a computer network's security is being broken.