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Internet security
Definitions for common terms and phrases related to security threats, vulnerabilities, and technology.
Industry: Internet
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Internet security
Port scanning
Internet; Internet security
A hacking technique used to cheque TCP/IP ports to reveal which services are available for exploitation, and to determine the operating system of a particular computer.
Spear phishing
Internet; Internet security
An email spoofing attack on a specific organisation with the goal of acquiring sensitive information, such as user names and passwords. The attacks normally target those in positions of power who ...
Smash and grab
Internet; Internet security
This is a cyber-attack where the perpetrator attempts to access as much information as possible before being discovered.
Anti-replay protocol
Internet; Internet security
The anti-replay protocol is part of the Internet Engineering Task Force (IETF) Internet Protocol Security (IPSec) standard. Anti-replay ensures IP packet-level security by making it impossible for a ...
Browser hijacker
Internet; Internet security
A browser hijacker (sometimes called hijackware) is a type of malware programme that alters your computer's browser settings so that you are redirected to Web sites that you had no intention of ...
Denial of service (DOS)
Internet; Internet security
This attack targets a computer, server, or network and is either an intentional or accidental byproduct of instruction code that is either launched from a separate network or Internet-connected ...
Phishing
Internet; Internet security
A method of fraudulently obtaining personal information, such as passwords, Social Security numbers, and credit card details by sending spoofed emails that look like they are sent from trusted ...