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Message authentication code. In cryptography, a message authentication code ( MAC ), sometimes known as an authentication tag, is a short piece of information used for authenticating and integrity -checking a message. In other words, to confirm that the message came from the stated sender (its authenticity) and has not been changed (its integrity).
The term "Cyber Monday" was coined by Ellen Davis, [6] [7] and was first used within the ecommerce community during the 2005 holiday season. [8] According to Scott Silverman, the head of Shop.org, the term was coined based on 2004 research showing "one of the biggest online shopping days of the year" was the Monday after Thanksgiving (12th-biggest day historically). [9]
Cybercrime encompasses a wide range of criminal activities that are carried out using digital devices and/or networks. These crimes involve the use of technology to commit fraud, identity theft, data breaches, computer viruses, scams, and expanded upon in other malicious acts. Cybercriminals exploit vulnerabilities in computer systems and ...
Allahabad Address. The Allahabad Address ( Urdu: خطبہ الہ آباد) was a speech by scholar, Sir Muhammad Iqbal, one of the best-known in Pakistani history. It was delivered by Iqbal during the 21st annual session of the All-India Muslim League, on the afternoon of Monday, 29 December 1930, at Allahabad in United Provinces (U. P.).
An example of a cybertext is Twelve Blue by Michael Joyce. It is a web-based text that includes navigation modes characterized by fluid and multiple sense of structures of electronic textuality such as colored threads that play different "bars" and blue-script text that returns to images of rivers and water. [13]
SMS phishing [25] or smishing [26] [27] is a type of phishing attack that uses text messages from a cell phone or smartphone to deliver a bait message. [28] The victim is usually asked to click a link, call a phone number, or contact an email address provided by the attacker.
A simple example is the following malicious version of the Linux sudo command. An attacker would place this script in a publicly writable directory (e.g., /tmp). If an administrator happens to be in this directory and executes sudo, then the Trojan may execute, compromising the administrator's password.
The Internet (or internet) [ a] is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) [ b] to communicate between networks and devices. It is a network of networks that consists of private, public, academic, business, and government networks of local to global scope, linked by a broad array of ...