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Professor David Choffnes inside West Village H
David Choffnes
Associate Professor of Computer and Information Science

David Choffnes in the Press

David Choffnes for Northeastern Global News

TikTok won’t be banned from US app stores. Here’s why.

TikTok won’t be banned from US app stores. Here’s why.

TikTok doesn’t pose a national security threat to the U.S. any more than some of our most beloved apps such as Facebook and Twitter, says David Choffnes, associate professor of computer science. Banning the app would require a vote from Congress and massive changes in net neutrality.
Are Alexa, Siri, and Cortana recording your private conversations?

Are Alexa, Siri, and Cortana recording your private conversations?

Smart speakers aren’t recording all the time, says associate professor David Choffnes. “But that doesn’t mean there’s no cause for concern.”
Facial recognition technology: In our rush to deploy it, are we ignoring the risks?

Facial recognition technology: In our rush to deploy it, are we ignoring the risks?

London has announced that it will install cameras across the city to catch and identify criminal suspects, joining a growing list of cities that have embraced facial recognition technology. David Choffnes, whose research focuses on network security and privacy, cautions that with so much at stake, it’s worth considering the potential risks of public surveillance tools before rushing to deploy them.
Northeastern University research finds smart TVs, other Internet-connected devices are exposing private user data
The smart devices in your home are listening to you, recording your whereabouts, and sending data to technology companies and other third-parties, according to a new study by David Choffnes, an associate professor at Northeastern. Photo by Matthew Modoono/Northeastern University

Northeastern University research finds smart TVs, other Internet-connected devices are exposing private user data

While you were watching the finale of Chernobyl, your smart TV was sending data to technology and advertising companies, a new study finds.
Northeastern University researcher finds that wireless networks are throttling video streaming 24/7
A new study by David Choffnes, an associate professor of computer and information science at Northeastern, found that almost all wireless carriers pervasively slow down internet speed for video streaming, even when networks are not overloaded. Stock photo of ethernet cables by Matthew Modoono/Northeastern University

Northeastern University researcher finds that wireless networks are throttling video streaming 24/7

A new study by professor David Choffnes has found that almost all wireless carriers slow down internet speed for video streaming.
We can’t get enough of FaceApp. But should we be giving away the rights to our faces?

We can’t get enough of FaceApp. But should we be giving away the rights to our faces?

“The obvious privacy concern is it’s your face that is now in the hands of a company that can go and use that face however they want, according to their terms and conditions,” says David Choffnes, an assistant professor at Northeastern’s Khoury College of Computer Sciences who designs solutions to internet security and privacy.
The new iPhone comes out today. Is Apple slowing down your old device to make you buy the new one?

The new iPhone comes out today. Is Apple slowing down your old device to make you buy the new one?

The new iPhone XR comes out today, and conspiracy theorists want to know whether Apple will slow down customers’ old iPhones to make them buy new ones. But “when it comes to slow operating speed,” said Northeastern professor David Choffnes, “the biggest culprits are usually apps that run in the background and use up a lot of battery power.”
Is your refrigerator spying on you?

Is your refrigerator spying on you?

Are smart devices collecting data on us while they’re supposed to be off? The answer, so far, appears to be yes.
New research shows that, post net neutrality, internet providers are slowing down your streaming

New research shows that, post net neutrality, internet providers are slowing down your streaming

YouTube resolution down again? Through a collaboration with another Massachusetts university, this Northeastern team unveils exactly who’s responsible.
Is your smartphone spying on you?

Is your smartphone spying on you?

New research by Northeastern faculty and students shows that popular smartphone apps can secretly take screenshots of your phone activity and send it to third parties without your permission.