Analysis of information sources in references of the Wikipedia article "Man-in-the-middle attack" in English language version.
Received August, 1975; revised September 1977
Received August, 1975; revised September 1977
Received August, 1975; revised September 1977
When a Meddler-in-the-Middle (MitM) attacker removes the STARTTLS capability from the server response, they can easily downgrade the connection to plaintext.