Intro to Cybersecurity Exam 1 Questions with Complete Solutions

Security Policy - what are we trying to protect? - ANSWER-Confidentiality, Integrity, Availability, Privacy, Authenticity Threat Model - who are the attackers? - ANSWER-Their motives, capabilities, level of access Risk assessment - what would a breach cost us? - ANSWER-Direct costs, Indirect costs, How likely are costs Logic Bomb - ANSWER-Has a payload (action to perform) and a trigger (boolean condition) self rep: no, pop growth: 0, parasitic: possibly Trojan horse - ANSWER-Looks like a valid program - has a malicious purpose self rep: no, pop growth: 0, parasitic: yes Back door - ANSWER-Any mechanism that allows bypassing of normal security checks self rep: no, pop growth: 0, parasitic: possibly Virus - ANSWER-Code that modifies an executable program file and inserts itself into it (defining feature), often has destructive payload, does not propagate using a network, but infected files can be downloaded or emailed by a network self rep: yes, pop growth: positive; parasitic: yes Worm - ANSWER-Standalone program that propagates via a network, does not modify an existing binary file self rep: yes, pop growth: positive, parasitic: no Rabbit - ANSWER-Rapidly reproducing program, consumes all of the available computer resources, leaves lots of traces, doesn't accomplish much self rep: yes, pop growth: positive, parasitic: no Spyware - ANSWER-Software that collects info from a computer, transmits to another self rep: no, pop growth: 0, parasitic: no Adware - ANSWER-Gathers info no user, but more market/marketing focused self rep: no, pop growth: 0, parasitic: no Dropper - ANSWER-Program that deposits malware on a computer, many viruses or worms contain dropper for larger piece of malware self rep: n/a, pop growth: n/a, parasitic: n/a