Move securitY threat model docs into specification

1 files changed, 0 insertions, 141 deletions

diff --git a/docs/server-server/security-threat-model.rst b/docs/server-server/security-threat-model.rst
deleted file mode 100644
index cf0430e43d..0000000000
--- a/docs/server-server/security-threat-model.rst
+++ /dev/null
@@ -1,141 +0,0 @@
-Overview
-========
-
-Scope
------
-
-This document considers threats specific to the server to server federation 
-synapse protocol.
-
-
-Attacker
---------
-
-It is assumed that the attacker can see and manipulate all network traffic 
-between any of the servers and may be in control of one or more homeservers 
-participating in the federation protocol.
-
-Threat Model
-============
-
-Denial of Service
------------------
-
-The attacker could attempt to prevent delivery of messages to or from the 
-victim in order to:
-
-    * Disrupt service or marketing campaign of a commercial competitor.
-    * Censor a discussion or censor a participant in a discussion.
-    * Perform general vandalism.
-
-Threat: Resource Exhaustion
-~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-An attacker could cause the victims server to exhaust a particular resource 
-(e.g. open TCP connections, CPU, memory, disk storage)
-
-Threat: Unrecoverable Consistency Violations
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-An attacker could send messages which created an unrecoverable "split-brain"
-state in the cluster such that the victim's servers could no longer dervive a
-consistent view of the chatroom state.
-
-Threat: Bad History
-~~~~~~~~~~~~~~~~~~~
-
-An attacker could convince the victim to accept invalid messages which the 
-victim would then include in their view of the chatroom history. Other servers
-in the chatroom would reject the invalid messages and potentially reject the
-victims messages as well since they depended on the invalid messages.
-
-Threat: Block Network Traffic
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-An attacker could try to firewall traffic between the victim's server and some
-or all of the other servers in the chatroom.
-
-Threat: High Volume of Messages
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-An attacker could send large volumes of messages to a chatroom with the victim
-making the chatroom unusable.
-
-Threat: Banning users without necessary authorisation
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-An attacker could attempt to ban a user from a chatroom with the necessary
-authorisation.
-
-Spoofing
---------
-
-An attacker could try to send a message claiming to be from the victim without 
-the victim having sent the message in order to:
-
-    * Impersonate the victim while performing illict activity.
-    * Obtain privileges of the victim.
-
-Threat: Altering Message Contents
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-An attacker could try to alter the contents of an existing message from the 
-victim.
-
-Threat: Fake Message "origin" Field
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-An attacker could try to send a new message purporting to be from the victim
-with a phony "origin" field.
-
-Spamming
---------
-
-The attacker could try to send a high volume of solicicted or unsolicted 
-messages to the victim in order to:
-    
-    * Find victims for scams.
-    * Market unwanted products.
-
-Threat: Unsoliticted Messages
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-An attacker could try to send messages to victims who do not wish to receive 
-them.
-
-Threat: Abusive Messages
-~~~~~~~~~~~~~~~~~~~~~~~~
-
-An attacker could send abusive or threatening messages to the victim
-
-Spying
-------
-
-The attacker could try to access message contents or metadata for messages sent
-by the victim or to the victim that were not intended to reach the attacker in
-order to:
-
-    * Gain sensitive personal or commercial information.
-    * Impersonate the victim using credentials contained in the messages.
-      (e.g. password reset messages)
-    * Discover who the victim was talking to and when.
-
-Threat: Disclosure during Transmission
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-An attacker could try to expose the message contents or metadata during 
-transmission between the servers.
-
-Threat: Disclosure to Servers Outside Chatroom
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-An attacker could try to convince servers within a chatroom to send messages to
-a server it controls that was not authorised to be within the chatroom.
-
-Threat: Disclosure to Servers Within Chatroom
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-An attacker could take control of a server within a chatroom to expose message
-contents or metadata for messages in that room.
-
-