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Can you explain the various ways to encrypt tape?

14 Apr 2008 | Pierre Dorion

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The most recent addition is a tape level or device level encryption. We've heard of STK and LTO-4, there are a number of devices available for LTO-4 and device level encryption at the hardware level.

There are also appliances you can use and those have been around for a little while longer. Examples of these would be NetApp's Decru or NeoScale, which is now owned by nCipher. These are appliances that you put between your backup server or the source of your backup data and the target, which is your tape device. So, that is another form of encryption.

And of course, probably the most ancient form of encryption, is software level encryption. This encrypts your data at the server level or the backup client level and then sends it to the tape device encrypted.

Check out the entire Tape Encryption FAQ.



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Frequently asked questions
Why should I encrypt tape?
What are the benefits of using LTO-4?
Who are the major vendors in the tape encryption market?
Are there any major drawbacks to using tape encryption?
How can you ease encryption key management issues?

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