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Banks, Internet firms team up to fight spam

Boston, January 30, 2012

Some of the world's biggest Internet companies and financial services firms have developed a new approach to fighting email spam that they hope will reduce online scams. 

Facebook, Google and Microsoft Corp  have joined with financial firms Bank of America Corp, Fidelity Investments and eBay Inc's PayPal to create a set of industry standards for preventing criminals from sending out spam emails that appear to come from corporate email addresses.

Fraudsters often pose as banks and other trusted firms in attempts to persuade email recipients to provide payment card numbers, bank account information and other personal data or click on links that infect computers with malicious software.

The new approach calls for email providers and businesses to attack spammers by coordinating on a massive scale the use of two existing technologies for email authentication known by the acronyms SPF and DKIM, which have yet to be widely adopted.

PayPal is one company that currently uses SPF (Sender Policy Framework) and DKIM  (DomainKeys Identified Mail) technology standards to fight email spoofing, but only through partnerships with Yahoo Inc and Google, said Brett McDowell, a security manager at PayPal who serves as chairman of the group that developed the new standard.

The group goes by the name DMARC.org, which stands for Domain-based Message Authentication, Reporting and Conformance.

If Yahoo or Google get an email claiming to come from PayPal that is not properly authenticated with SPF or DKIM, the email is not delivered, he said. But if fraudsters send spoofed PayPal email to other email providers, it might get through.

'What we need is an Internet standard that allows this level of protection to work at scale - without any discussion, without any partner agreements,' McDowell said. 'That is what DMARC does.'  

Other companies involved in the group include American Greetings Corp, LinkedIn Corp and Yahoo as well as privately held Agari, Cloudmark, eCert, Return Path and the Trusted Domain Project.

IDC security analyst Michael Versace said that the approach recommended by the group appeared to be effective and inexpensive to implement.

Yet he said that the industry should keep developing new technologies to fight spammers because he expects that cyber criminals will eventually figure out how to circumvent the DMARC protections. - Reuters




Tags: banks | Internet | Paypal | Spam | spoofing |

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