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Q&A: PayPal fights back against phishing

CISO Michael Barrett says his company is a top target

February 12, 2007 12:00 PM ET

Computerworld - With 133 million consumers worldwide, PayPal is arguably one of the most recognizable Internet brands -- and one of the most frequently phished as well. With that in mind, PayPal's chief information security officer, Michael Barrett, talked about the problem and his company's multipronged strategy for handling it. Excerpts from the interview follow:

How does it feel to be CISO of what is perhaps one of the most targeted companies on the Internet? I guess it's the old, 'You've got to be careful what you wish for' thing. Actually, it's been fun. I have enjoyed working here. It's a job you can really sink your teeth into. It's a great culture, it is very entrepreneurial, it's relatively easy to make decisions and get funded and to make an impact.

PayPal's chief information security officer, Michael Barrett
PayPal's chief information security officer, Michael Barrett
Why do you think PayPal is targeted so much by malicious attackers? That's an incredibly easy answer to give. Actually, there are two reasons. One is we have a very large customer base by the standards of most companies. We have 133 million customers on a global basis. We also have a business model that makes it easy by design to move money around between those 133 million individuals. By definition that's going to make both us and our customers targets. That's one of those things there isn't much to do about other than make it as difficult as possible for the bad guys to victimize them.

What's your biggest security challenge? Essentially, the most significant issue is phishing. It is not so much a financial issue because we make our customers whole. If a consumer ever does get victimized by phishing, we 100% reimburse them. But clearly it causes a perception problem. Phishing definitely is something we hear [about] loud and clear from our customers. They want us to take that away, and we are actually working very actively on addressing that. We don't believe it's a problem that there is a single silver bullet for. We also think it is an industry problem. In fact, quite a lot of what we are trying to do is link the industry in coming up with a solution. But we do want to make a significant dent. Of all of the things that we worry about, this is pretty much top of mind for the company.

So what is PayPal doing in this regard? Basically, what we are doing is taking a broad brush strategy. It has a number of elements. Essentially, it is incredibly simple and yet incredibly hard to argue against. If consumers don't receive phish mail in their e-mail inbox, it's kind of tough to victimize them. Sometimes people say, and I don't subscribe to the belief, that spam is an uncontrollable problem. If you mean can you catch every bit of spam and phish mail -- that is probably very difficult to achieve. But can you deal with it such that you see very little spam and very little phish mail? I would submit [that] technically we already know how to do that. I am actually a great poster child for that because I have had a personal e-mail address since 1996 but I see effectively no spam when I have my spam control filter turned on. But I see hundreds of spam mails a day when I turn my spam filters off. So I don't believe that we can't solve the problem; I just think by and large we haven't put the controls in front of the consumers.



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