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The WannaCry ransomware attack was a worldwide cyberattack in May 2017 by the WannaCry ransomware cryptoworm, which targeted computers running the Microsoft Windows operating system by encrypting data and demanding ransom payments in the Bitcoin cryptocurrency. [5] It propagated by using EternalBlue, an exploit developed by the United States ...
Computer hacking. The Conscience of a Hacker (also known as The Hacker Manifesto) is a short essay written on January 8, 1986 by Loyd Blankenship, a computer security hacker who went by the handle The Mentor, and belonged to the second generation of hacker group Legion of Doom. [1]
The Equifax data breach occurred between May and July 2017 at the American credit bureau Equifax. Private records of 147.9 million Americans along with 15.2 million British citizens and about 19,000 Canadian citizens were compromised in the breach, making it one of the largest cybercrimes related to identity theft.
The Office of Personnel Management data breach was a 2015 data breach targeting Standard Form 86 (SF-86) U.S. government security clearance records retained by the United States Office of Personnel Management (OPM). One of the largest breaches of government data in U.S. history, the attack was carried out by an advanced persistent threat based ...
Symmetric -key algorithms [a] are algorithms for cryptography that use the same cryptographic keys for both the encryption of plaintext and the decryption of ciphertext. The keys may be identical, or there may be a simple transformation to go between the two keys. [1] The keys, in practice, represent a shared secret between two or more parties ...
In computer security, shoulder surfing is a type of social engineering technique used to obtain information such as personal identification numbers (PINs), passwords and other confidential data by looking over the victim's shoulder. Unauthorized users watch the keystrokes inputted on a device or listen to sensitive information being spoken ...
Anarchist hackers. Internet activism, hacktivism, or hactivism (a portmanteau of hack and activism ), is the use of computer-based techniques such as hacking as a form of civil disobedience to promote a political agenda or social change. [1] With roots in hacker culture and hacker ethics, its ends are often related to free speech, human rights ...
The hack was conducted in order to support the 2019 Hong Kong protests, amidst the Hong Kong police's siege of the city's Polytechnic University. They also brought up a possible peace plan first proposed by a professor at Inha University in hopes of having the Korean reunification and the five key demands of the Hong Kong protest being ...
Hyperjacking is an attack in which a hacker takes malicious control over the hypervisor that creates the virtual environment within a virtual machine (VM) host. The point of the attack is to target the operating system that is below that of the virtual machines so that the attacker's program can run and the applications on the VMs above it will be completely oblivious to its presence.
It was possible to remove the second _NSAKEY: when loading a cryptographic module, the crypto_verify first tries using _KEY to verify the module, then goes to _NSAKEY if the first key fails. Since no known cryptographic modules in Windows are signed with _NSAKEY, it never gets used. Replacing the key with a different key allows non-US companies ...