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IT296 - Chapter 03
IT296 - Chapter 03 (Security+)
44
Computer Science
Undergraduate 2
04/23/2016

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Term
ActiveX
Definition
A set of rules for how applications under the Microsoft Windows operating system should share information.
Term
ActiveX control
Definition
A specific way of implementing ActiveX that runs through the web browser and functions like a miniature application.
Term
add-on
Definition
Program that provides additional functionality to web browsers. Also called
extension
Term
Address Resolution Protocol (ARP)
Definition
Part of the TCP/IP protocol for determining the MAC address based on the IP address.
Term
arbitrary/remote code execution
Definition
An attack that allows an attacker to run programs and execute commands on a different computer.
Term
ARP poisoning
Definition
An attack that corrupts the ARP cache.
Term
attachment
Definition
A file that is coupled to an email message and often carries malware.
Term
buffer overflow attack
Definition
An attack that occurs when a process attempts to store data in RAM beyond the boundaries of a fixed-length storage buffer.
Term
client-side attack
Definition
An attack that targets vulnerabilities in client applications that interact with a compromised server or process malicious data.
Term
command injection
Definition
Injecting and executing commands to execute on a server.
Term
cookie
Definition
A file on a local computer in which a web server stores user-specific information.
Term
cross-site scripting (XSS)
Definition
An attack that injects scripts into a web application server to direct attacks at clients.
Term
denial of service (DoS)
Definition
An attack that attempts to prevent a system from performing its
normal functions by overwhelming the system with requests.
Term
directory traversal
Definition
An attack that takes advantage of a vulnerability so that a user can
move from the root directory to restricted directories.
Term
distributed denial of service (DDoS)
Definition
An attack that uses many computers to perform a
DoS attack.
Term
DNS poisoning
Definition
An attack that substitutes DNS addresses so that the computer is
automatically redirected to an attacker’s device.
Term
Domain Name System (DNS)
Definition
A hierarchical name system for translating domain names to
IP addresses.
Term
extension
Definition
Another name for add-on.
Term
first-party cookie
Definition
A cookie that is created from the website currently being viewed.
Term
Flash cookie
Definition
Another name for locally shared object (LSO).
Term
host table
Definition
A list of the mappings of host names to IP addresses.
Term
HTTP header
Definition
Part of HTTP that is comprised of fields that contain the different
characteristics of the data that is being transmitted.
Term
HTTP header manipulation
Definition
Modifying HTTP headers to create an attack.
Term
integer overflow attack
Definition
An attack that is the result of an attacker changing the value of a
variable to something outside the range that the programmer had intended.
Term
locally shared object (LSO)
Definition
A cookie that is significantly different in size and location from
regular cookies, and can store more complex data. Also called Flash cookie.
Term
man-in-the-middle
Definition
An attack that intercepts legitimate communication and forges a
fictitious response to the sender.
Term
persistent cookie
Definition
A cookie that is recorded on the hard drive of the computer and does
not expire when the browser closes
Term
ping
Definition
A utility that sends an ICMP echo request message to a host
Term
ping flood
Definition
An attack that uses the Internet Control Message Protocol (ICMP) to flood a
victim with packets
Term
plug-in
Definition
A third-party library that attaches to a web browser and can be embedded inside a
webpage.
Term
privilege escalation
Definition
An attack that exploits a vulnerability in software to gain access to
resources that the user normally would be restricted from accessing.
Term
replay
Definition
An attack that makes a copy of the transmission before sending it to the recipient.
Term
session cookie
Definition
A cookie that is stored in Random Access Memory (RAM), instead of on
the hard drive, and only lasts only for the duration of a visit to a website.
Term
session hijacking
Definition
An attack in which an attacker attempts to impersonate the user by
using the user’s session token
Term
session token
Definition
A form of verification used when accessing a secure web application.
Term
smurf attack
Definition
An attack that broadcasts a ping request to computers yet changes the
address so that all responses are sent to the victim.
Term
spoofing
Definition
Impersonating another computer or device.
Term
SQL injection
Definition
An attack that targets SQL servers by injecting commands to be manipulated
by the database.
Term
SYN flood attack
Definition
An attack that takes advantage of the procedures for initiating a TCP/IP
session.
Term
third-party cookie
Definition
A cookie that was created by a third party that is different from the
primary website.
Term
transitive access
Definition
An attack that exploits the trust relationship between three parties
Term
XML (Extensible Markup Language)
Definition
A markup language that is designed to carry data, in
contrast to HTML, which indicates how to display data.
Term
XML injection
Definition
An attack that injects XML tags and data into a database.
Term
zero-day attack
Definition
Attack that exploits previously unknown vulnerabilities, so victims have
no time (zero days) to prepare for or defend against the attack.
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