The 5 worst big data privacy risks (and how to guard against them)

There are enormous benefits from Big Data analytics, but also massive potential for exposure that could result in anything from embarrassment to outright discrimination. Here's what to look out for — and how to protect yourself and your employees

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Big data, as its proponents have been saying for nearly a decade now, can bring big benefits: advertisements focused on what you actually want to buy, smart cars that can help you avoid collisions or call for an ambulance if you happen to get in one anyway, wearable or implantable devices that can monitor your health and notify your doctor if something is going wrong. 

It can also lead to big privacy problems. By now it is glaringly obvious that when people generate thousands of data points every day — where they go, who they communicate with, what they read and write, what they buy, what they eat, what they watch, how much they exercise, how much they sleep and more — they are vulnerable to exposure in ways unimaginable a generation ago. 

It is just as obvious that such detailed information, in the hands of marketers, financial institutions, employers and government, can affect everything from relationships to getting a job, and from qualifying for a loan to even getting on a plane. While there have been multiple expressions of concern from privacy advocates and government, there has been little action to improve privacy protections in the online, always connected world. 

It was more than five years ago that the Obama administration published a blueprint for what it termed a Consumer Privacy Bill of Rights (CPBR), in February 2012. That document declared that, “the consumer privacy data framework in the U.S. is, in fact, strong … (but it) lacks two elements: A clear statement of basic privacy principles that apply to the commercial world, and a sustained commitment of all stakeholders to address consumer data privacy issues as they arise from advances in technologies and business models.” 

Three years later, in February 2015, that blueprint became proposed legislation by the same name, but it was immediately attacked, both by industry groups, who says it would impose “burdensome” regulations, and by privacy advocates, who says it was riddled with loopholes. It never made it to a vote. 

The CPBR declaration that the, “consumer privacy data framework in the U.S. is, in fact, strong …” ironically came about a year before revelations by former NSA contractor Edward Snowden that the U.S. government was, in fact, spying on its citizens.

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