Internet Flashcards
Computer Worm
A computer worm is a malicious, self-replicating software program (malware) which affects the functions of software and hardware programs
Ransomware
Ransomware is a type of malware program that infects and takes control of a system. It infects a computer with the intention of extorting money from its owner
Botnet
Botnet is a set of networks connected computers/devices that are used for malicious purposes. Each computer in a botnet is called Bot. It is also known as Zombie
Trojan horse
It is a type of malware that presents itself as legitimate software. It may perform actions on a computer that is genuine but will install malware actions
keylogger
A keylogger is a type of malware that stores all keystrokes of a computer. It can record all sorts of personal information, such as usernames, passwords, credit card numbers, and personal documents such as emails and reports
Rootkit
A rootkit is a secret computer program designed to provide continued access to a computer while actively hiding its presence. Rootkits are associated with malware such as Trojans, worms, viruses.
Spyware
Spyware is a software that is installed on a computing device without the end user’s knowledge. It steals internet usage data and sensitive information such as usernames and passwords, activating the microphone or camera on a computer to record physical activity.
Adware
Adware is unwanted software designed to display advertisements on the computer screen to generate income. This type of ads cannot be removed easily
Phishing
Phishing is a cyber-attack that used to steal user data, including login credentials and credit card numbers. They use email as a weapon and trick the email recipient into believing that the message is received from real companies such as banks, Amazon etc to harvest the recipient’s details. Email Phishing, Spear Phishing (targets special person/organization) are techniques of Phishing.
ARPANET
world’s first fully operational packet switching computer network,
developed by the Advanced Research Projects Agency of the U.S. Department of Defense in 1969. It connected with only four computers
ARPANET adopted TCP/IP in 1983 and the “network of networks” became the modern Internet
World Wide Web
WWW is one of the services interconnected over the internet. It is a collection of all information, resources, pictures, sounds, multimedia on the internet which is formatted in HTML and accessed through HTTP.
Web Server
A web server stores, processes and delivers web pages to the users. The intercommunication between users and servers is done using Hypertext Transfer Protocol (HTTP).
Web Page
It is a document written in HTML that can be accessed through the internet by using the web browser. It is identified by Uniform Resource Locator.
(HTML)
Hypertext Mark-up Language
HTML is used to create web pages that are displayed on the Internet.
Hypertext Transfer Protocol (HTTP)
This protocol is used to transfer data over the web. It runs on top of the TCP/IP set of protocols. It uses a server-client model.
