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Chapter 2 information Security
Chapter 2 Information security
44
Computer Science
Undergraduate 4
01/22/2013

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Term
Adware
Definition
A software program that delivers advertising content in a manner that is unexpected and unwanted by the user
Term
Backdoor
Definition
Software code that gives access to a program or a service that circumvents normal security protections
Term
Botnet
Definition
A logical computer network of zombies under the control of an attacker
Term
Computer Virus
Definition
A malicious computer code that, like its biological counterpart, reproduces itself in an attack
Term
Hoax
Definition
False warning
Term
Impersonation
Definition
An attack that creates a fictitious character and then plays out the role of that person on a victim
Term
keylogger
Definition
Captures and stores each stroke that a user types on the computer's keyboard
Term
Logic bomb
Definition
Computer code that lies dormant until it is triggered by a specific logical event
Term
Malware
Definition
Software that enters a computer system without the user's knowledge or consent and then performs an unwanted and usually harmful action
Term
Pharming
Definition
A phishing attack that automatically redirects the user to a fake site
Term
Phishing
Definition
Sending an email or displaying a web announcement that falsely claims to be from a legitimate enterprise in an attempt to trick the user into surrendering private information
Term
Rootkit
Definition
A set of software tools used by an attacker to hide the actions or presence of other types of malicious software
Term
Shoulder Surfing
Definition
Watching an unauthorized user enter a security code on a keypad
Term
Social Engineering
Definition
A means of gathering information for an attack by relying on the weakness of individuals
Term
Spam
Definition
Unsolicited email
Term
Spear Phishing
Definition
A phishing attack that targets only specific users
Term
Spim
Definition
A variation of spam, which targets instant messaging users instead of email users
Term
Spyware
Definition
A general used to describe software that spies on users by gathering information without consent, thus violating their privacy
Term
Tailgating
Definition
The act of unauthorized individuals entering a restricted access building following an authorized user
Term
Trojan Horse
Definition
An executable program advertised as performing one activity , but actually does something else, or it may perform both the advertised and malicious activities
Term
Vishing
Definition
A phishing attack that uses a telephone call instead of using email
Term
Whaling
Definition
A phishing attack that targets only wealthy individuals
Term
Word Splitting
Definition
Horizontally splitting words so that they can still be read by the human eye
Term
Worm
Definition
A malicious program designed to take advantage of a vulnerability in an application or an operating system in order to enter a computer and then self replicate to other computers
Term
Objective of Malware
Definition
rapidly spreading its infection
Cencealment
Profit for its creators
Term
2 Types for spreading
Definition
Viruses
Worms
Term
Appender Infection
Definition
Appends itself to the end of the file
Removes first three bytes and puts in a jump instruction and redirects control of virus
Term
Swiss Cheese Infection
Definition
Executable code instead at the end of the file
Term
Split infection
Definition
Virus in split into several parts
Parts are placed at random throughout the program
Term
Virus performs tow actions
Definition
Tries to reproduce
Unloads a malicious payload and performs some action
Term
How can a virus replicate?
Definition
Only replicate itself on the host computer, it cannot automatically spread to another computer
Term
2 carriers for viruses
Definition
file to attach
human to tranpsort
Term
Program Virus
Definition
Infects executable files
Term
Macro Virus
Definition
Written script known as macro
Term
Macro
Definition
series of instructions that can be grouped together as a single command and are often used to automate a complex set of tasks or a repeated series of tasks
Term
Resident Virus
Definition
Loaded into RAM each time the computer is turned off and on
Term
Boot Virus
Definition
Infects the MBR
Term
Companion Virus
Definition
Adds a program to the operating system that is a malicious copycat version to a legitimate program
Term
GIF Layering
Definition
Image spam divided into multiple images much like a biology textbook that has transparent plastic overlays of the different parts of the human body. Each piece of the message is divided and then layered to create a complete and legible message so that one spam email could be made up of a dozen layered GIF images
Term
Geometric Variance
Definition
Uses speckling and different colors so that no two spam emails appear to be the same
Term
Dumpster Diving
Definition
digging through trash receptacles to find information that can be useful in an attack.
Term
Malware Concealment
Definition
Trojans
Rootkits
Logic Bombs
Backdoors
Term
Malware for profit
Definition
Botnets
Spyware
Adware
keyloggers
Term
Tricks of Social Engineering
Definition
Phishing
Dumpster Diving
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