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man-in-the-middle-attack (BC-SEC)

Security (BC-SEC)

An attack in which an attacker inserts itself between two parties and pretends to be one of the parties.

The best way to thwart this attack is for both parties to prove to each other that they know a secret that is only known to them. This is usually done by digitally signing a message and sending it to the other party as well as asking the other party to send a digitally signed message.

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