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Christmas Tree EXEC was the first widely disruptive computer worm, which paralyzed several international computer networks in December 1987. [1] The virus ran on the IBM VM/CMS operating system. Written by a student at the Clausthal University of Technology in the REXX scripting language, it drew a crude Christmas tree as text graphics, then ...
The greatest AOL hack program ever written, Lucifer-X by NailZ, is released. In a matter of days AOL is being used for free by hundreds of thousands of users. A 16-year-old Croatian youth penetrates computers at a U.S. Air Force base in Guam. [43] June: Eligible Receiver 97 tests the American government's readiness against cyberattacks.
Anonymous (hacker group) Anonymous. An emblem that is commonly associated with Anonymous. The "man without a head" represents anonymity and leaderless organization. [ 1] Individuals appearing in public as Anonymous, wearing Guy Fawkes masks. Formation.
A Trojan horse is a program that purports to perform some legitimate function, yet upon execution it compromises the user's security. [17] 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).
Malware (a portmanteau of malicious software) [1] is any software intentionally designed to cause disruption to a computer, server, client, or computer network, leak private information, gain unauthorized access to information or systems, deprive access to information, or which unknowingly interferes with the user's computer security and privacy.
Between November 2021 and February 2024, a malicious backdoor was introduced to the Linux utility xz within the liblzma library in versions 5.6.0 and 5.6.1 by an account using the name "Jia Tan". [ b][ 2] The backdoor gives an attacker who possesses a specific Ed448 private key remote code execution capabilities on the affected Linux system.
Microsoft Windows allows JavaScript source files on a computer's hard drive to be launched as general-purpose, non-sandboxed programs (see: Windows Script Host). This makes JavaScript (like VBScript) a theoretically viable vector for a Trojan horse, although JavaScript Trojan horses are uncommon in practice. [102] [failed verification]
SpyEye is a malware program that attacks users running Google Chrome, Safari, Opera, Firefox and Internet Explorer on Microsoft Windows operating systems. [ 1] This malware uses keystroke logging and form grabbing to steal user credentials for malicious use. [ 1][ 2] SpyEye allows hackers to steal money from online bank accounts and initiate ...