Common abbreviations for a man-in-the-middle attack include MITM, MitM, MiM, and MIM. WHAT IS A MAN-IN-THE-MIDDLE ATTACK? A man-in-the-middle attack is a type of eavesdropping attack, where attackers interrupt an existing conversation or data transfer. After inserting themselves in the “middle” of the transfer, the attackers pretend to be both legitimate participants. This enables an…