Lesson 8

26 cards·by 4072446547

Study this deck

Anti-Virus Software

Software that scans disks and programs for known viruses and eliminates them.

Asymmetric Encryption

An encryption method in which two keys are used to encrypt and decrypt a message.

Authentication

The process of verifying the identity of a user who logs on to a system, or the integrity of transmitted data.

Decryption

The process of converting encrypted data back into its original form.

Digital Certificate

A password-protected, encrypted data file containing message encryption, user identification and message text.

Encryption

A security technique designed to prevent access to information by converting it into a scrambled form of text.

Firewall

A security barrier that controls the flow of information between the Internet and a private network.

Hash

A number generated by an algorithm from a text string. Also known as message digest.

Hash Encryption

An encryption method in which hashes are used to verify the integrity of transmitted messages.

Illicit Server

An application that installs hidden services on systems.

Internet Control Messaging Protocol

A subset of Internet protocol that is most often used to determine whether a computer can communicate with the rest of the Internet.

Key

A variable value that uses algorithm to encrypt and decrypt data.

Malware

Abbreviation for malicious software. Is software designed to harm computer systems.

Non-repudiation

The security principle of providing proof that a transaction occurred between identified parties.

Patch

Programming code that provides a temporary solution to a known problem, or bug.

Screen Saver

A graphic or moving image that appears on your screen when your computer is idle.

Secure Sockets Layer

A protocol that provides authentication and encryption, used by most severs for secure exchanges over the Internet.

Spyware

A software application secretly placed on a user's system to gather information and relay it to outside parties.

Symmetric Encryption

An encryption method in which the same key is used to encrypt and decrypt a message.

Transport Layer Security

A protocol based on SSL 3.0 that provides authentication and encryption.

Trojan

A program disguised as a harmless application that actually produces harmful results.

Typosquatting

The unethical practice of registering domain names very similar to those of high-volume sites in hopes of receiving traffic from users s

Typosquatting Contiinued

the high-volume site who mistakenly enter an incorrect URL in their browsers.

Update

A file or collection of tools that resolves system liabilities and improves software performance.

Virus

A malicious program that replicates itself on computer systems and causes irreparable system damage.

Worm

A self replicating program or algorithm that consumes system resources.