(Cytonn Photography / Unsplash)

As data breaches in recent years have exposed weaknesses in the storage and transfer of personal data, lawmakers in the United States and Europe have expressed concern over the tracking of users online. 

(WTTW News)

As governors grapple with the question of when to reopen their states, the need for a wide-scale contact tracing effort is at the top of many experts’ lists. Help may be on the way, but it’s getting a lot of scrutiny.

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When you send messages to an Airbnb host or order food through Yelp, you probably don’t spend much time thinking about where else that information goes – or who it goes to. But that data has the potential to affect you in surprising ways.

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Another day, another data breach. This time, Capital One admits that more than 100 million of its credit card users have had their personal data hacked.

(Almonroth / Wikimedia Commons)

The recent Marriott hotel data breach affected half a billion people. Who’s behind the attack, and what can we learn from it? We speak with Blase Ur, assistant professor of computer science at the University of Chicago.