Access "Untangling the encryption chain"
This article is part of the Vol. 5 No. 8 October 2006 issue of What you need to know about data storage provisioning
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 motion (across the storage network... Access >>>
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Untangling the encryption chain
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In many companies, data that should be safeguarded against loss or theft isn't getting encrypted. The main reason why so many storage managers are shying away from encryption is that they don't understand how it functions within the storage infrastructure.
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- Untangling the encryption chain by Stephen Foskett
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