Home > Backup, Data Protection > Backup is Evil – Part 2 – Regulatory FAIL

Backup is Evil – Part 2 – Regulatory FAIL

How backup systems fail to satisfy regulatory requirements

If we then examine the typical backup retention policies against Australian regulatory requirements, we find that Sections 9 and 286 of the Corporations Act states that the following information needs to be kept

Financial Records (invoices, receipts, orders for the payment of money, bills of exchange, cheques, promissory notes, vouchers and other documents of prime entry; and such working papers and other documents as are necessary to explain the methods and calculations by which accounts are made up) that correctly record and explain the transactions and (including any transactions as trustee) and would enable true and fair financial statements to be prepared.

It is this legislation the drives the vast majority of the “7 year retention” requirement. This is then applied as a blanket policy across all data types regardless of whether the data falls under the definition of financial records above. This often results in large amounts of data being kept with little or no business justification.

Unfortunately, even for data which does fall under the Act, the “keep monthly backups for 7 years” policy does not completely satisfy the above requirement. Take for example a spreadsheet meeting the definition of a “working paper” above, that was created on the 4th day of the month, used as the basis for transaction on the 6th day of the month, and then inadvertently deleted, or changed on the 9th day. There is no guarantee that any document of this type will appear in the monthly archives as they are created after the previous month’s backup, and destroyed before the current month’s backup takes place.

If this wasn’t bad enough, there are a number of other regulations that requires data to be kept for a certain period of time after a specific event has passed. One example of this is the Workplace Relations Act that requires pay slips to be kept for seven years after employment is terminated. In the case of an employee who has been working for five years the “keep monthly backups for 7 years” retention policy would begin to cause potential non compliance two years after the termination of that employee. As a final complication, the Privacy Act of 1988 states that an organization must take reasonable steps to destroy or permanently de-identify personal information if it is no longer needed; a legal requirement which may prove very difficult with which to comply if tape backup is the primary method used for data archiving.

The reason traditional backup  systems fails for regulatory compliance is that it was never designed for the task, nor is tape, the traditional backup media of choice.

Although there is considerable overlap in the functional requirements,  backup is not the same as archive or disaster recovery. If people allowed a backup system to be just that, without overloading it with other non-core requirements, then it would have a good chance of meeting its data availabilty targets at a reasonable cost, however while it tries to carry these additional burdens, it is beaten before it has even started the race.

Categories: Backup, Data Protection
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