A Notable Step in the Fight Against Phishing
Yahoo! e-mail users should soon start noticing the disappearance of scam e-mails that try to steal PayPal and eBay account information. eBay and Yahoo! announced a partnership today that involves a technology developed by Yahoo! called "DomainKeys" to filter out such messages.
DomainKeys works like this: The sender, in this case eBay/PayPal, digitally signs all e-mails that it sends with a special cryptographic signature. The receiving network, in this case Yahoo!, agrees to block or delete any incoming e-mails that purport to be from eBay or PayPal but do not have this special signature.
In a post on the PayPal Blog, the company's chief information security officer, Michael Barrett, said the announcement was the first of many the company will be making with other service providers.
"There are about half a dozen large Internet service providers around the world which between them operate nearly fifty percent of the world's e-mail addresses," Barrett wrote. "We're working with all of them to implement similar technology to what we announced with Yahoo!."
This is welcome news, as PayPal and eBay were the No. 1 and No. 2 most-phished companies in September, according to Phishtank.com, a volunteer phish-fighting group. Phishtank members verified at least 3,649 PayPal scams and 3,509 distinct eBay spoof sites in the past month alone.
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