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VoIPのセキュリティ

VoIP security

発行 Ovum, Ltd.
出版日 2006年08月 商品コード 44516
ページ情報 英文 23 PAGES
価格
US$ 1,755 換算 ¥ 141,224 (税抜) PDF by E-mail (Single User License)
US$ 4,387.50 換算 ¥ 353,062 (税抜) PDF by E-mail (Global License)


原文目次

Abstract

Voice over IP (VoIP) is gaining ground in both the corporate and consumer domains. Its headline promise of free, or very cheap, long-distance phone calls is resonating widely. However, what are the risks of relying on the Internet for telephony services, and what risks does this further opening up of data networks to the outside world pose to them? Numerous risks have been mentioned, but it is hard to find documented successful attacks relating to VoIP. There are similarities with the wireless telephony and instant messaging arenas where theoretical threats did eventually become real as deployment became widespread, while the configuration of VoIP services tends to diminish the immediate threat.

This report puts the threats in the context of the use of VoIP, particularly in the enterprise, and describes what could, should, and is being done to mitigate them.

Table of Contents

Key messages

The importance of VoIP security

  • VoIP in the business
  • VoIP and the individual
  • Security is an issue for VoIP service providers
  • Real VoIP risks may be unknown but they are real

What is VoIP?

  • VoIP protocols
  • VoIP as part of a collaboration framework
  • What is the composition of a VoIP network?
  • Service level

VoIP security issues

  • General threat scenario
  • The risk to voice communications
  • The risk to corporate data systems
  • Regulatory concerns
  • Government interception requirements
  • Protecting the PSTN infrastructure
  • Spam, phishing and misrepresentation

How to address VoIP security

  • Defending corporate gateways
  • Defending VoIP servers
  • Defending VoIP user devices
  • Defending VoIP signalling protocols
  • Defending messages
  • Caller authentication
  • Software examination
  • Wireless connections
  • Voice spam
  • Industry collaboration
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