A bot (short for “robot”) is a program that operates as an agent for a user or another program or simulates a human activity. On the Internet, the most ubiquitous bots are the programs, also called spiders or crawlers, that access Web sites and gather their content for search engine indexes. Bots are also used […]
A zombie is a computer that has been implanted with a daemon that puts it under the control of a malicious hacker without the knowledge of the computer owner. Zombies are used by malicious hackers to launch DoS attacks. The hacker sends commands to the zombie through an open port. On command, the zombie computer
In normal DNS resolution, when a resolver attempts to resolve a domain name, it first queries the root, which provides the top-level domain. Next, it queries the top-level domain servers, which provide the domain’s authoritative nameservers. Finally, it queries the authoritative nameservers for the domain to resolve the domain name. If the nameservers for a
“Steganography is a method of hiding secret data, by embedding it into an audio, video, image or text file. It is one of the methods employed to protect secret or sensitive data from malicious attacks.”
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A data breach is a security incident in which information is accessed without authorization. It can hurt businesses and consumers in a variety of ways. A data breach is the intentional or unintentional release of secure private/confidential information to an untrusted environment.
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