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Data Encryption for Hadoop and NoSQL Databases From Gazzang

The Gazzang Encryption Platform for Big Data works as a last line of defense for protecting data within Hadoop, Cassandra and MongoDB, non-relational, distributed and horizontally scalable data stores that have become common management tools for big data initiatives.

Sounds good so far. But then:

Gazzang today launched a cloud-based encryption […] The Encryption Platform transparently encrypts and secures data “on the fly,” whether in the cloud or on premises, ensuring there is minimal performance lag in the encryption or decryption process.

Anyone having any idea how a cloud-based solution could encrypt/decrypt on premises data on the fly? I don’t.

Original title and link: Data Encryption for Hadoop and NoSQL Databases From Gazzang (NoSQL database©myNoSQL)