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Secure Telephone Identity Threat Model (RFC7375)

IP.com Disclosure Number: IPCOM000239262D
Original Publication Date: 2014-Oct-01
Included in the Prior Art Database: 2014-Oct-24
Document File: 26 page(s) / 31K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

J. Peterson: AUTHOR

Abstract

This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License.

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Internet Engineering Task Force (IETF)                       J. Peterson Request for Comments: 7375                                 NeuStar, Inc. Category: Informational                                     October 2014 ISSN: 2070-1721

                  Secure Telephone Identity Threat Model

Abstract

   As the Internet and the telephone network have become increasingly    interconnected and interdependent, attackers can impersonate or    obscure calling party numbers when orchestrating bulk commercial    calling schemes, hacking voicemail boxes, or even circumventing    multi-factor authentication systems trusted by banks.  This document    analyzes threats in the resulting system, enumerating actors,    reviewing the capabilities available to and used by attackers, and    describing scenarios in which attacks are launched.

Status of This Memo

   This document is not an Internet Standards Track specification; it is    published for informational purposes.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Not all documents    approved by the IESG are a candidate for any level of Internet    Standard; see Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc7375.

Peterson                      Informational                     [Page 1]
 RFC 7375                      STIR Threats                  October 2014

 Copyright Notice

   Copyright (c) 2014 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    (http://trustee.ietf.org/license-info) in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

Table of Contents

   1. Introduction and Scope ..........................................2

   2. Actors ..........................................................4

      2.1. Endpoints ..................................................4

      2.2. Intermediaries .............................................5

      2.3. Attackers ...........