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Pabrai Blogs on “ Why PCI DSS is a Valued Reference ” The Payment Card Industry’s Data Security Standard (PCI DSS) requirements – and there are 12 specific requirements – that impacted organizations must comply with – is one of the most specific standards in the field of information security. Take for example the PCI DSS requirement # 10.7 in the area of “Regularly Monitor and Test Networks”: Retain audit trail history for at least one year, with a minimum of three months immediately available for analysis (for example, online, archived, or restorable from back-up).
Retaining logs for at least a year allows for the fact that it often takes a while to notice that a compromise has occurred or is occurring, and allows investigators sufficient log history to better determine the length of time of a potential breach and potential system(s) impacted.
By having three months of logs immediately available, an entity can quickly identify and minimize impact of a data breach. Storing back-up tapes off-site may result in longer time frames to restore data, perform analysis, and identify impacted systems or data.
So is your organization required to comply with the PCI DSS mandate? Even if it is not, I would highly recommend you read and understand the PCI DSS standard. You will find an invaluable resource that will have a positive impact in the development of your security plans, policies and procedures. I would highly recommend the PCI DSS standard as required reading for all information security professionals and executives. |