Ceh V11 Study Guide

Authentication - Answer- The process of identifying a user's identity, making sure that they can have access to the system and/or files. This can be accomplished either by a password, retina scan, or fingerprint scan, sometimes even a combination of the above. Botnet - Answer- A network of computers that have been infected with a virus, and now are working continuously in order to create security breaches. DDoS - Answer- Using multiple hosts and users, hackers bombard a website with a tidal wave of requests to such an extent that it locks up the system and forces it to temporarily shut down. Domain - Answer- A series of computers and associated peripherals (routers, printers, scanners), that are all connected as one entity. Encryption - Answer- Coding used to protect your information from hackers. Malware - Answer- malicious software that damages or disables computer systems and gives limited or full control of the systems to the creator for malicious activities such as theft or fraud. Spoofing - Answer- When a hacker changes the IP address of an email so that it seems to come from a trusted source Spyware - Answer- A type of malware that attackers install on a computer to secretly gather information about its users without their knowledge. Trojan Horse - Answer- A form of malware, this one a misleading computer program that looks innocent, but in fact allows the hacker into your system via a back door, allowing them to control your computer. Virus - Answer- It infects a system by inserting itself into a file or executable program. Malware which changes, corrupts, or destroys information, and is then passed on to other systems, usually by otherwise benign means. VPN - Answer- creates a safe and encrypted tunnel over a public network to securely send and receive sensitive information. It creates a subnet by using key-based encryption for secure communication between endpoints. Worm - Answer- Malware that can reproduce itself for the purposes of spreading itself to other computers in the network. Hack Value - Answer- The notion among hackers that something is worth doing or is interesting. Vulnerability - Answer- An existence of a weakness, design, or implementation error that may lead to compromising the security of the system. Exploit - Answer- A breach of IT system security through vulnerabilities. It is the part the malware that contains code or a sequence of commands that can take advantage of a bug or vulnerability in a digi