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vocabulary
LESSON 9
72
Computer Science
9th Grade
05/22/2006

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Cards

Term
ActiveX component
Definition
Microsofts technology for writing small aplications that perform actions in web pages
Term
ad blocker
Definition
a program that searches for and erases spyware from a users computer
Term
add-on
Definition
a general classification of browser extensions that includes tools to enhance your browsing experience
Term
adware
Definition
a category of software that displays advertisements to help pay for the program
Term
algorithm
Definition
a formula or set of steps to solve a particular problem
Term
asymetric encription
Definition
n
Term
authentication
Definition
g
Term
beatnik
Definition
lk
Term
browser extensions
Definition
l
Term
brute force attack
Definition
k
Term
buffer
Definition
a temporary storage area in a computers memory
Term
buffered play
Definition
a feature by which music is downloaded and qued for play when the transfer play rate exceeds your modems speed
Term
Certificate authority
Definition
a trusted third party that verifies the identity of a person or organization in the process of issuing a digital certificate
Term
cipher text
Definition
encrypted information
Term
clickstream
Definition
a record of the links clicked by a user while visiting a website
Term
computer security
Definition
the protection of assets using non-physical means
Term
countermeasure
Definition
the general name for a procedure, whether phyisical or logical, that recognizes, reduces, or eliminates a threat
Term
cracker
Definition
a slang term for a person who uses his knowledge of computers and programming to gain unauthorized access to a computer for the purpose of stealing or altering data
Term
cryptography
Definition
the process of transforming data from a readable format to an unreadable format
Term
decryption
Definition
the process of reversing encrypted text into a readable format
Term
Denial of Service attack
Definition
a security threat where a cracker bombards a server or other computer with messages in an attempt to consume the networks bandwith resources, efectively disabling the organizations communications
Term
digital certificate
Definition
an encrpyted and password-protected file that contains sufficient information to authenticate and prove a persons or oganizations identity
Term
digital ID
Definition
An electronic file that you purchase from a certificate authority and install into a program that uses it, such as an e-mail program or web browser
Term
Digital watermark
Definition
a process that inserts a digital pattern cantaining copyright information into a digital image, animation or audio or video file.
Term
encryption
Definition
a way of scrambling and encoding data transmissions that reduces the risk that a person who intercepts the Web page as it travels across the internet will be able to decode and read the transmissions contents
Term
Extensible 3D (X3D)
Definition
An open standard being developed by the Web3D consortion that lets a developer create 3D words
Term
firewall
Definition
a software program or hardware device that controls access between two networks, such as a local are network and the internet or the internet and a computer.
Term
Flash player
Definition
a browser pluf-in that displays simple animations, user interfaces, static graphics, movies, sound, and text that was created using macromedia flash software
Term
Hash code function program
Definition
a program that maintains the integrity of an e-mail message by producing a unique identifying code called a message authentication code
Term
helper application
Definition
A program installed on a user's computer that the browser starts and uses "help" display or play a file
Term
integrity
Definition
a security measure that prevents unauthorized data modification.
Term
java applet
Definition
a small program written in the java programming language
Term
JavaScript program
Definition
A small program that can be executed without first being compiled into computer readable codes
Term
logical security
Definition
The protection of assets using non-physical means
Term
login
Definition
the process of identifying yourself to a computer with a user name and password
Term
Message Authentication Code (MAC)
Definition
unique number that a message digest function program uses to maintain the integrity of an e-mail
Term
Message Digest function program
Definition
a program that maintains the integrity of an e-mail message by producing a unique identifying code called a message authentication code
Term
packet flooding attack
Definition
A security threat wherin a cracker bobmards a server or other computer with messages in an attempt to consume bandwith resources, thus eliminating their ability to communicate
Term
necessity
Definition
security measures that prevent data delays or denials
Term
password manager
Definition
a program that stores login information in an encrypted form on the user's hard drive
Term
personal certificate
Definition
an electronic file that you purchase from a certificat authority and install into a program that uses it, such as e-mail program or web browser
Term
phishing
Definition
a computer attack in which e-mail messages claiming to be from a legitimate business direct recipients to a spoofed web site where the recipient is directed to provide sensitive information so the poofed web site can steal the recipients personal information
Term
physical security
Definition
Tangible devices such as locks alarms fireproof doors security fences safes or vaults, and bombproof buildings, that protect assets from unauthorized access, use alteration or destruction
Term
plain text
Definition
unencrypted information
Term
plug-in
Definition
a program that is a software extension of a browser
Term
port
Definition
a virtual door on a computer that permits virtual traffic to enter and leave the computer
Term
port scan
Definition
when a computer tests ports on another computer
Term
private key
Definition
the key known only to its owner
Term
private key encryption
Definition
a form of encryption that uses only one key known to the senderr and reciever
Term
public key encryption
Definition
a form of encryption that uses 2 different keys a public key and a private or secret key
Term
quicktime
Definition
plays videos and other media stuff
Term
RealPlayer
Definition
plays streaming audio and video files
Term
secrecy
Definition
security measures that prevent bad stuff from happenin
Term
secret key
Definition
the key known only to its owner
Term
scure sockets layer
Definition
a video protocol that acts as a separate layer or "secure channel" on top of the tcp/ip internet protocol.
Term
secure/multipurpose internet mail extentions
Definition
provides authentication and encryption to e-mail messages
Term
security
Definition
protects all your stuff from bad things you dont want to happen
Term
server certificate
Definition
authentication for a web sites users that proves the site's identity
Term
session key
Definition
a temporary key used in the encryption process to ensure a secure connection
Term
Shockwave player
Definition
a browser extension that provides animated three dimensional interfaces, interactive advertisements and product demonstrations
Term
Spyware
Definition
software that tells bad people what you are doing on your computer, and gets information from it about personal thinga
Term
secure sockets layer
Definition
a widely used protocol that acts as a secure channel
Term
stenagraphy
Definition
a process that hides an encrypted message within different types of files
Term
strong key
Definition
an encryption key that is 128 bits long
Term
symetric encryption
Definition
an encryption process that uses a single key that is known by both the sender and the reciever
Term
threat
Definition
anything that is bad oor can possibly damage files on your pc
Term
Trojan Horse
Definition
a small program hidden inside of another program that is created with the intent of causing damage
Term
user authentication
Definition
The process of associating a person and his identification with a very high level of assurance
Term
user identification
Definition
the process of identifying yourself to a computer
Term
Virtual Reality Modeling language (VRML)
Definition
dfh
Term
Web bug
Definition
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Term
worm
Definition
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