There is no defence against an attacker sitting on your wire. But headers and data 99.9% aren't logged or can be seen in a shared link or screenshot. Just hit

There is no defence against an attacker sitting on your wire. But headers and data 99.9% aren't logged or can be seen in a shared link or screenshot. Just hit F12 in you browser, switch to the Network tab and look what happens when you do the things. TL;DR: no, but you should be vary of how things are logged and/or shared. Eg: you see a screenshot with https://bank.com/pay.php?from=17255252&to=6445675665&amount=999.99 https://bank.com/pay.php?from=17255252&to=6445675665&amount=... URL in the browser...