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Vol. 4 No. 8 October 2005

Really delete your data

Once data is written to magnetic media, the likelihood that it will stay written is high because magnetic traces tend to linger on disk and tape with a bewildering tenacity. That's good news if you're trying to recover the data, but it's less comforting if your goal is compliance, where the aim is to keep data for a given period of time and then destroy it beyond all recoverability. "Ever since Enron, no one wants to keep files around any more," says Diamond Lauffin, executive VP at Nexsan Technologies. This summer, the SATA array manufacturer announced a "secure storage appliance" called Assureon that digitally shreds files and data based on user-defined data disposition policies. Organizations increasingly want to delete data from their archives the minute they're legally eligible to do so. "If you physically have the data, you are required to produce it, even if its retention period has expired," says Dave DuPont, senior VP of sales and marketing at Plasmon, which makes optical media and libraries. For users who archive data ...

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