Which attack method inserts unauthorized code that will execute at a certain time into a system? Login spoofing Back door Logic bomb Information leaking 64 Which cyberattack uses a program that appears to provide a service but actually contains a hidden function that will violate computer security? Buffer overflow Virus Trojan horse Worm How does the constant linear velocity device-recording method operate? Density of bits per track is maintained by varying the rotational speed of the medium. Rotational speed is maintained while bit density decreases from the inner to outer track. Density of bits per track is maintained by sustaining the rotational speed of the medium. Rotational speed is maintained while bit density increases from the inner to outer track. What is used to augment passwords stored in a password file? Challenge-response Hash Salt Multi-factor