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Vol. 5 No. 8 October 2006

Untangling the encryption chain

Untangling the encryption chain Encryption can protect your data, but it can also play havoc with other storage applications. Encryption would seem to be a critical technology in today's world of embarrassing data losses, but studies reveal that it's rarely used. So why is data that should be encrypted left alone, even as numerous products target this exact problem? Simply put, encryption is a chain, not just a single link, and unless each point in the data path includes encryption and decryption, other desirable functions are lost. Users have opted to leave their data unencrypted, relying on access control to keep data safe. But recent industry moves may change that practice. From the top down The first decision point in investigating encryption technologies is where to encrypt. If we think of the stack from application through operating system, network and storage device, we can see that encrypting data near the top (at the application or OS level) will protect it all the way down to the storage device. We protect data in ...

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Features in this issue

  • Survey Says: Users name their 10GbE price

  • The right way to provision storage

    Provisioning storage is still mostly a manual job, but solid planning, including the right interested parties and some improved tools, can help ease the chore. Follow these provisioning best practices to gain greater performance and higher disk utilization.

  • Long-term archiving

    With some legislative requirements mandating data be kept for as long as 70 years, your organization needs an archiving plan that defines what data needs to be kept and why. But don't overlook how you'll restore old data when it needs to be accessed.

  • How to manage encryption keys

    Encryption is an effective way to secure data. But managing encryption keys can be a major undertaking. While there are no encompassing key management tools available yet, some apps can help you keep track of proliferating encryption keys.

Columns in this issue

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