What's MITM?
Man In The Middle. They're saying that the US is intercepting the traffic.
MAGA-Infused Trump Machine.
The most effective way to intercept messages encrypted with public key cryptography: https://en.wikipedia.org/wiki/Man-in-the-middle_attack
You can also call it "U.S. government spying on Europeans".
Man In The Middle. They're saying that the US is intercepting the traffic.