PayPal considers blocking browsers

by Robert Vamosi April 18, 2008

PayPal is seriously considering blocking some browsers from accessing its site, according to a paper (PDF) available to shareholders. Titled "A Practical Approach to Managing Phishing," the paper admits that there's no one silver bullet to prevent fraudsters from making money on the Internet. However, authors Michael Barrett, PayPal's chief information security officer, and Dan Levy, the company's senior director of risk management for Europe, say companies could and should start addressing five specific areas:
1. Prevent fraudulent e-mail from getting into users' in-boxes
2. Prevent phishing sites by shutting them down
3. Authenticate users so that stolen credentials can't be used on PayPal
4. Prosecute fraudsters to the full extent of the law
5. Focus on brand and consumer recovery
Of these, the paper focuses mainly on e-mail prevention and phishing-site blocking. For e-mail prevention, the authors cite Yahoo Mail as an example and point to its use of domain keys to identify legitimate and illegitimate mail marked as coming from PayPal.

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