Web Heavies Form Blockade Against Phishers

Yahoo, eBay and PayPal are teaming up to improve protections against phishing attacks, the companies announced Thursday. The companies have adopted a new e-mail authentication technology, developed by Yahoo and known as “DomainKeys Identified Mail,” that uses cryptography to verify the domain of the sender. By allowing e-mail providers to validate an e-mail’s originating domain — ensuring that an e-mail apparently from PayPal really is from PayPal, for instance — the technology makes blacklists and whitelists more effective.

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