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Log4Shell ( CVE-2021-44228) is a zero-day vulnerability in Log4j, a popular Java logging framework, involving arbitrary code execution. [2] [3] The vulnerability had existed unnoticed since 2013 and was privately disclosed to the Apache Software Foundation, of which Log4j is a project, by Chen Zhaojun of Alibaba Cloud 's security team on 24 ...
A botnet is a group of Internet -connected devices, each of which runs one or more bots. Botnets can be used to perform Distributed Denial-of-Service (DDoS) attacks, steal data, [1] send spam, and allow the attacker to access the device and its connection. The owner can control the botnet using command and control (C&C) software. [2]
Hail Mary Cloud. The Hail Mary Cloud was, or is, a password guessing botnet, which used a statistical equivalent to brute force password guessing. The botnet ran from possibly as early as 2005, [1] and certainly from 2007 until 2012 and possibly later. The botnet was named and documented by Peter N. M. Hansteen.
Diagram of a DDoS attack. Note how multiple computers are attacking a single computer. In computing, a denial-of-service attack ( DoS attack) is a cyber-attack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to a network.
Fast flux is a domain name system (DNS) based evasion technique used by cyber criminals to hide phishing and malware delivery websites behind an ever-changing network of compromised hosts acting as reverse proxies to the backend botnet master —a bulletproof autonomous system. [1] It can also refer to the combination of peer-to-peer networking ...
Malware (a portmanteau for malicious software) 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.
BitDefender has stated that approximately 15% of computers are members of a botnet, usually recruited by a Trojan infection. Recent investigations have revealed that the Trojan horse method has been used as an attack on cloud computing systems. A Trojan attack on cloud systems tries to insert an application or service into the system that can ...
Cloud computing security or, more simply, cloud security, refers to a broad set of policies, technologies, applications, and controls utilized to protect virtualized IP, data, applications, services, and the associated infrastructure of cloud computing. It is a sub-domain of computer security, network security, and, more broadly, information ...