Definition of "man-in-the-middle" []

• An adversary that intercepts, and often modifies, communications. (noun)

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• "When users in Iran went to a Google site, including Gmail and Google Docs, they could be intercepted by the impostors in what is known as a man-in-the-middle attack."
• "Breaking into a secure link is known as a "man-in-the-middle attack.""
• "Spoofing those Web sites would allow the Iranian government to use what's known as a man-in-the-middle attack to impersonate the legitimate sites and grab passwords, read e-mail messages and monitor any other activities its citizens performed, even if the connections were protected with SSL Secure Sockets Layer encryption."