An attack vector is the means by which a hacker is able to break into a computer system or network to launch an attack. A simple analogy would be that of a mosquito bite that spreads disease by injecting its victims with the virus that it carries.

In computing terms, an attack vector would take the form of malware such as Trojans that hackers use to deliver malicious code to their victims. Other popular examples are infected email attachments, malicious links, and pop-up ads. 

Attack vectors target vulnerabilities in the computer system as well as people’s susceptibility to social manipulation and impersonation.

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