Encrypting the data stored in the clusters of Amazon Redshift

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How is the data stored in Amazon Redshift is secure? Does Amazon Redshift offer encryption option? If yes, how?
Oct 4, 2018 in AWS by datageek
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Below is the answer to your question. It's from AWS Documentation.

"Amazon Redshift encrypts and keeps your data secure in transit and at rest using industry-standard encryption techniques. To keep data secure in transit, Amazon Redshift supports SSL-enabled connections between your client application and your Redshift data warehouse cluster. To keep your data secure at rest, Amazon Redshift encrypts each block using hardware-accelerated AES-256 as it is written to disk. This takes place at a low level in the I/O subsystem, which encrypts everything written to disk, including intermediate query results.

 The blocks are backed up as is, which means that backups are encrypted as well. By default, Amazon Redshift takes care of key management but you can choose to manage your keys using your own hardware security modules (HSMs) or manage your keys through AWS Key Management Service. "

answered Oct 4, 2018 by Archana
• 3,770 points

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