Create an account
Sometimes called WPA2, a network standard developed by IEEE with enhanced security for wireless communications.
Security measure that defines who can access a computer, when they can access it, and what actions they can take while accessing the computer.
Program that displays an online advertisement in a banner or pop-up window on Web pages, e-mail, or other Internet services.
Program that protects a computer against viruses by identifying and removing any computer viruses found in memory, on storage media, or on incoming files.
Program or set of instructions in a program that allow users to bypass security controls when accessing a program, computer, or network.
Duplicate or copy of a file, program, or disk that can be used if the original is lost, damaged, or destroyed.
Device that authenticates a person's identity by translating a personal characteristic, such as a fingerprint, into a digital code that then is compared with a digital code stored in a computer verifying a physical or behavioral characteristic.
Payment method where the customer's fingerprint is read by a fingerprint scanner that is linked to a payment method such as a checking account or credit card.
Group of compromised computers connected to a network such as the Internet that are used as part of a network that attacks other networks, usually for nefarious purposes. See also zombie army.
Completely Automated Public Turing test to tell Computers and Humans Apart; program used by some Web sites to provide further protection for a user's password by verifying that user input is not computer generated.
certificate authority (CA)
Authorized person or company that issues and verifies digital certificates.
Scam in which an object that can be clicked on a Web site, such as a button, image, or link, contains a malicious program.
Growing health problem that occurs when the computer consumes someone's entire social life.
computer security risk
Any event or action that could cause a loss of or damage to computer hardware, software, data, information, or processing capability.
Exclusive rights given to authors and artists to duplicate, publish, and sell their materials.
Someone who accesses a computer or network illegally with the intent of destroying data, stealing information, or other malicious action.
Someone who uses the Internet or network to destroy or damage computers for political reasons.
denial of service attack
Assault on a computer or network whose purpose is to disrupt computer access to an Internet service such as the Web or e-mail. See also DoS attack.
The discovery, collection, and analysis of evidence found on computers and networks. See also computer forensics, cyberforensics, or network forensics.
digital rights management (DRM)
Strategy designed to prevent illegal distribution of movies, music, and other digital content.
Encrypted code that a person, Web site, or organization attaches to an electronic message to verify the identity of the message sender.
Assault on a computer or network whose purpose is to disrupt computer access to an Internet service such as the Web or e-mail. See also denial of service attack.
The use of computers to observe, record, and review an employee's use of a computer, including communications such as e-mail messages, keyboard activity (used to measure productivity), and Web sites visited.
Process of converting readable data into unreadable characters to prevent unauthorized access.
Set of steps that can convert readable plaintext into unreadable ciphertext. See also cypher.
Set of characters that the originator of the encrypted data uses to encrypt the plaintext and the recipient of the data uses to decrypt the ciphertext.
ENERGY STAR program
Program developed by the United States Department of Energy (DOE) and the United States Environmental Protection Agency (EPA) to help reduce the amount of electricity used by computers and related devices.
Hardware and/or software that protects a network's resources from intrusion by users on another network such as the Internet.
Computer usage that reduces the electricity and environmental waste involved in using a computer.
Right of individuals and companies to deny or restrict the collection and use of information about them.
Computer security risk that occurs when someone steals personal or confidential information.
intrusion detection software
Program that automatically analyzes all network traffic, assesses system vulnerabilities, identifies any unauthorized intrusions, and notifies network administrators of suspicious behavior patterns or system breaches.
An agreement issued by a software manufacturer that gives the user the right to use the software.
Short for malicious software; programs that act without a user's knowledge and deliberately alter a computer's operations.
Private combination of characters associated with a user name that allows access to certain computer resources.
Utility program that detects and protects a personal computer and its data from unauthorized intrusions.
personal identification number (PIN)
Numeric password, either assigned by a company or selected by a user.
Scam, similar to phishing, where a perpetrator attempts to obtain your personal and financial information, except they do so via spoofing.
Scam in which a perpetrator sends an official looking e-mail that attempts to obtain your personal and financial information.
Program that warns or blocks you from potentially fraudulent or suspicious Web sites.
Process that attempts to prevent software piracy by requiring users to provide a software product's 25-character identification number in order to receive an installation identification number.
real time location system (RTLS)
Safeguard used by some businesses to track and identify the location of high-risk or high-value items.
repetitive strain injury (RSI)
Injury or disorder of the muscles, nerves, tendons, ligaments, and joints.
Program that hides in a computer and allows someone from a remote location to take full control of the computer.
Someone who accesses a computer or network illegally with the intent of destroying data, stealing information, or other malicious action but does not have the technical skills and knowledge.
Gaining unauthorized access or obtaining confidential information by taking advantage of the trusting human nature of some victims and the naivety of others.
Computer security risk that occurs when someone (1) steals software media, (2) intentionally erases programs, (3) illegally copies a program, or (4) illegally registers and/or activates a program.
Unsolicited e-mail message or newsgroups posting sent to many recipients or newsgroups at once.
Technique intruders use to make their network or Internet transmission appear legitimate to a victim computer or network.
Program placed on a computer without the user's knowledge that secretly collects information about the user.
Device that uses special electrical components to smooth out minor noise, provide a stable current flow, and keep an overvoltage from reaching the computer and other electronic equipment. See also surge suppressor.
Program named after the Greek myth that hides within or looks like a legitimate program.
uninterruptible power supply (UPS)
Device that contains surge protection circuits and one or more batteries that can provide power during a temporary or permanent loss of power.
Unique combination of characters, such as letters of the alphabet and/or numbers, that identifies a specific user.
Potentially damaging computer program that affects, or infects, a computer negatively by altering the way the computer works without the user's knowledge or permission.
Intrusion technique in which an individual attempts to detect wireless networks via their notebook computer while driving a vehicle through areas they suspect have a wireless network. See also access point mapping.
Wi-Fi Protected Access (WPA)
Security standard that improves on older security standards by authenticating network users and providing more advanced encryption techniques.
Program that copies itself repeatedly, using up system resources and possibly shutting down the system.
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together