Chapter 11 Flashcards
What is a traffic anomaly detector?
A special-purpose security device that is installed in the front of the main router.
What is a virus?
Malware designed to spread from host to host and has the ability to replicate itself. They cannot reproduce and spread without programming such as a file or document.
What is a worm?
A self-replicating computer program that penetrates an operating system with the intent of spreading malicious code.
What is a DoS?
A Denial of Service is a cyber-attack where the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to the Internet.
What is a DDoS?
A Distributed Denial of Service is when multiple compromised systems, which are often infected with a Trojan, are used to target a single system causing a Denial of Service (DoS) attack.
What is firewall?
A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules
What is spoofing?
A technique used to gain unauthorized access to computers, whereby the intruder sends messages to a computer with an IP address indicating that the message is coming from a trusted host.
What is sniffer?
Software or hardware that can intercept and log traffic passing over a digital network.
What is Trojan Horse?
Any malicious computer program which misleads users of its true intent.
What is spyware?
A type of malware that is installed on a computer without the knowledge of the owner in order to collect the owner’s private information.
What is PKI?
Public Key Infrastructure Supports the distribution and identification of public encryption keys, enabling users and computers to both securely exchange data over networks such as the Internet and verify the identity of the other party.
What is SSL?
Secure Sockets Layer is a protocol developed by Netscape for transmitting private documents via the Internet. Uses a cryptographic system that uses two keys to encrypt data − a public key known to everyone and a private or secret key known only to the recipient of the message.
What is PGP?
Pretty Good Privacy is a popular program used to encrypt and decrypt email over the Internet, as well as authenticate messages with digital signatures and encrypted stored files.
What is IPSec?
Internet Protocol Security is a framework of open standards for helping to ensure private, secure communications over Internet Protocol (IP) networks through the use of cryptographic security services.
What is phishing?
A term used to describe a malicious individual or group of individuals who scam users. They do so by sending e-mails or creating web pages that are designed to collect an individual’s online bank, credit card, or other login information.
