Reply to post:

Hacked in a public space? Thanks, HTTPS

Preston Munchensonton
Boffin

I understand what a man in the middle attack is but I don't understand why the user's browser would think its receiving data over an ssl connection.

Because there's two separate HTTPS connections: one from the user to MITM and the other from MITM to the real destination. This is exactly how Bluecoat or Cisco recommend deploying their proxies, with an internal SSL CA providing the cover to prevent browser warnings to users.

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