analogrithems writes "Recently I was asked by one of the suits in my company to come up with a method to comply with the new PCI DSS policy that requires companies to have write once, read many logs. In short the requirement is for a secure method to make sure that once a log is written it can never be deleted or changed. So far I've only been able to find commercial and hardware-based solutions. I would prefer to use an open source solution. I know this policy is already part of HIPPA and soon to be part of SOX. It seems like there ought to be a way to do this with cryptography and checksums to ensure authenticity. Has anyone seen or developed such a solution? Or how have you made compliance?"
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