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Date: Thu, 16 Oct 2014 14:03:57 +0200
From: Hanno Böck <>
Subject: attacking hsts through ntp

it's a pretty neat and simple idea:
Kill HSTS through NTP by sending victims PC into the future.

Same should work for HPKP. The idea of setting some security feature
through a header needs a revisit.
The solution would be to have a more reliable PC time. How do we do

Hanno Böck


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