Avoid phishing with e-mail authentication: Cisco Identified Internet Mail |
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| 31 May 2005 | John Wiley & Sons |
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What you will learn from this excerpt: How Cisco Identified Internet Mail authenticates e-mail and helps organizations avoid phishing.
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| E-mail Security School |
| Attend our on-demand E-mail Security School webcasts and learn tactics for securing your e-mail systems while earning CPE credits from (ISC)2. |
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Designed to help identify fraudulent e-mail, Cisco Identified Internet Mail
(IIM) is the proposed Cisco Systems signature-based e-mail authentication
standard. Implementing IIM makes the sending domain more accountable for
e-mail originating from its domain and limits the ability of spammers and malware
distributors to forge return addresses or disguise the identity of infected
systems.
To establish the authenticity of an e-mail message, IIM verifies that the message
sender is authorized to send messages using a given e-mail address and
that the original message was not altered in any consequential manner. IIM
adds two headers to the message format: IIM-Signature and IIM-Verification.
It also applies user-defined policies depending on the outcome of the message
verification process.
E-MAIL AUTHENTICATION
 Introduction
The Sender Policy Framework (SPF)
SenderID
DomainKeys
Cisco Identified Internet Mail
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PHISHING: CUTTING THE IDENTITY THEFT LINE
By Rachael Lininger and Russel Dean Vines
334 pages; $29.99
John Wiley & Sons
Read Chapter 6, Helping your organization avoid phishing
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