Failure to properly store, audit and maintain data chain of custody undermines individual privacy. Fortunately, there is a host of big data analytics models that are inherently more respectful of our privacy than others. Threats to privacy increase exponentially when governments and commercial users lose chain-of-custody control of their data or become reliant on closed, proprietary systems that hold data hostage in vendor networks. Strong data control models let the owner determine who can access the data and with whom it should be shared, both in raw and correlated forms.”]
Source: https://securityintelligence.com/big-data-control-frameworks-have-your-data-and-control-it-too/