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I learned that many large firms have found their big data pilots shut down by compliance officers concerned about legal or regulatory violations, but the good news is that some Hadoop distributions now include integrated data security features. For example, Hortonworks Hadoop distribution includes advanced security features at no additional license fee. The features include data tokenization, advanced HDFS Encryption, key management and auditing.
To reach the goal of securing the data while preserving its value for analytics, the data itself must be protected at as fine-grained a level as possible. Securing individual fields allows for the greatest flexibility in protecting sensitive identifying fields while allowing nonidentifying information to remain in the clear.
By protecting data at a very fine-grained level—fields or even part(s) of a field—we can continue to reap the benefits of data monetization while putting forth a significant barrier to data theft. I talk more about this issue here (http://www.protegrity.com/2014/10/protegrity-cto-ulf-mattsson-featured-in-thought-leaders-in-big-data/)
Ulf Mattsson, CTO Protegrity