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An Open Letter to Robert Carr, CEO of Heartland Payment Systems

Mr. Carr, I read your interview with Bill Brenner in CSO magazine today, and I sympathize with your situation. I completely agree that the current system of standards and audits contained in the Payment Card Industry Data Security Standard is flawed and unreliable as a breach-prevention mechanism. The truth is that our current transaction systems were never designed for our current threat environment, and I applaud your push to advance the processing system and transaction security. PCI is merely an attempt to extend the life of the current system, and while it is improving the state of security within the industry, no best practices standard can ever fully repair such a profoundly defective transaction mechanism as credit card numbers and magnetic stripe data. That said, your attempts to place the blame of your security breach on your QSAs, your external auditors, are disingenuous at best. As the CEO of a large public company you clearly understand the role of audits, assessments, and auditors. You are also fundamentally familiar with the concepts of enterprise risk management and your fiduciary responsibility as an officer of your company. Your attempts to shift responsibility to your QSA are the accounting equivalent of blaming your external auditor for failing to prevent the hijacking of an armored car. As a public company, I have to assume your organization uses two third-party financial auditors, and internal audit and security teams. The role of your external auditor is to ensure your compliance with financial regulations and the accuracy of your public reports. This is the equivalent of a QSA, whose job isn’t to evaluate all your security defenses and controls, but to confirm that you comply with the requirements of PCI. Like your external financial auditor, this is managed through self reporting, spot checks, and a review of key areas. Just as your financial auditor doesn’t examine every financial transaction or the accuracy of each and every financial system, your PCI assessor is not responsible for evaluating every single specific security control. You likely also use a public accounting firm to assist you in the preparation of your books and evaluation of your internal accounting practices. Where your external auditor of record’s responsibility is to confirm you comply with reporting and accounting requirements and regulations, this additional audit team is to help you prepare, as well as provide other accounting advice that your auditor of record is restricted from. You then use your internal teams to manage day to day risks and financial accountability. PCI is no different, although QSAs lack the same conflict of interest restrictions on the services they can provide, which is a major flaw of PCI. The role of your QSA is to assure your compliance with the standard, not secure your organization from attack. Their role isn’t even to assess your security defenses overall, but to make sure you meet the minimum standards of PCI. As an experienced corporate executive, I know you are familiar with these differences and the role of assessors and auditors. In your interview, you state: The audits done by our QSAs (Qualified Security Assessors) were of no value whatsoever. To the extent that they were telling us we were secure beforehand, that we were PCI compliant, was a major problem. The QSAs in our shop didn’t even know this was a common attack vector being used against other companies. We learned that 300 other companies had been attacked by the same malware. I thought, ‘You’ve got to be kidding me.’ That people would know the exact attack vector and not tell major players in the industry is unthinkable to me. I still can’t reconcile that.” There are a few problems with this statement. PCI compliance means you are compliant at a point in time, not secure for an indefinite future. Any experienced security professional understands this difference, and it was the job of your security team to communicate this to you, and for you to understand the difference. I can audit a bank one day, and someone can accidently leave the vault unlocked the next. Also, standards like PCI merely represent a baseline of controls, and as the senior risk manager for Heartland it is your responsibility to understand when these baselines are not sufficient for your specific situation. It is unfortunate that your assessors were not up to date on the latest electronic attacks, which have been fairly well covered in the press. It is even more unfortunate that your internal security team was also unaware of these potential issues, or failed to communicate them to you (or you chose to ignore their advice). But that does not abrogate your responsibility, since it is not the job of a compliance assessor to keep you informed on the latest attack techniques and defenses, but merely to ensure your point in time compliance with the standard. In fairness to QSAs, their job is very difficult, but up until this point, we certainly didn’t understand the limitations of PCI and the entire assessment process. PCI compliance doesn’t mean secure. We and others were declared PCI compliant shortly before the intrusions. I agree completely that this is a problem with PCI. But what concerns me more is that the CEO of a public company would rely completely on an annual external assessment to define the whole security posture of his organization. Especially since there has long been ample public evidence that compliance is not the equivalent of security. Again, if your security team failed to make you aware of this distinction, I’m sorry. I don’t mean this to be completely critical. I applaud your efforts to increase awareness of the problems of PCI, to fight the PCI Council and the card companies when they make false public claims regarding PCI, and to advance the state of transaction security. It’s extremely important that we, as an industry, communicate more and share information to improve our security, especially breach details. Your efforts to build an end to end encryption mechanism, and your use

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