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In computer security, a threat is a potential negative action or event enabled by a vulnerability that results in an unwanted impact to a computer system or application.. A threat can be either a negative "intentional" event (i.e. hacking: an individual cracker or a criminal organization) or an "accidental" negative event (e.g. the possibility of a computer malfunctioning, or the possibility ...
CVE-2017-5715, 2017-5753, 2017-5754: The Spectre and Meltdown hardware vulnerabilities, a cache side-channel attack on CPU level (Rogue Data Cache Load (RDCL)), allow a rogue process to read all memory of a computer, even outside the memory assigned to a virtual machine; CVE-2017-0075 Hyper-V Remote Code Execution Vulnerability
Intel Trust Domain Extensions (TDX) is a CPU-level technology proposed by Intel in May 2021 for implementing a trusted execution environment in which virtual machines (called "Trust Domains", or TDs) are hardware-isolated from the host's Virtual Machine Monitor (VMM), hypervisor, and other software on the host. This hardware isolation is ...
An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...
Endpoint security management is a software approach that helps to identify and manage the users' computer and data access over a corporate network. [3] This allows the network administrator to restrict the use of sensitive data as well as certain website access to specific users, to maintain, and comply with the organization's policies and standards.
The Internet is an inherently insecure channel for information exchange, with high risk of intrusion or fraud, such as phishing, [3] online viruses, trojans, ransomware and worms. Many methods are used to combat these threats, including encryption and ground-up engineering. [4]
In the case of IRC botnets, infected clients connect to an infected IRC server and join a channel pre-designated for C&C by the bot herder. The bot herder sends commands to the channel via the IRC server. Each client retrieves the commands and executes them. Clients send messages back to the IRC channel with the results of their actions. [6]
Internet security awareness or Cyber security awareness refers to how much end-users know about the cyber security threats their networks face, the risks they introduce and mitigating security best practices to guide their behavior. [1] [2] End users are considered the weakest link and the primary vulnerability within a network.