Faculty Experts

David Choffnes

David Choffnes

Assistant Professor of Computer and Information Science



Related Articles

App vs. website: Which best protects your privacy? It depends

Both apps and web­sites leak per­sonal infor­ma­tion, including names, gender, phone num­bers, and e-​​mail. But don’t despair. North­eastern researchers, led by assis­tant pro­fessor David Choffnes, have devel­oped an auto­mated system to help you know which plat­form to use for your online interactions.


Northeastern researchers find T-Mobile’s Binge On doesn’t live up to the hype

New research led by David Choffnes shows that what T-​​Mobile promises about free video streaming with Binge On is not what you, or con­tent providers, may actu­ally get. In many cases, sub­scribers were left with lower quality videos and unex­pected charges. More­over, because of flaws in T-Mobile’s system, the researchers found a way to make prac­ti­cally any Internet traffic free to subscribers.


3Qs: Can ‘scrubbing’ your online identity save your reputation?

Scrub­bing is a mis­nomer, says David Choffnes, pro­fessor in the Col­lege of Com­puter and Infor­ma­tion Sci­ence. It’s more like adding a coat of paint to an already tar­nished online reputation.

Scrubbing is a misnomer, says David Choffnes, professor in the College of Computer and Information Science. It’s more like adding a coat of paint to an already tarnished online reputation. Image by Greg Grinnell/Northeastern University

Researchers develop system to control information leaks from smartphone apps

A research team led by Northeastern’s David Choffnes has found “exten­sive” leakage of users’ per­sonal iden­ti­fying infor­ma­tion from apps on mobile devices, including pass­words. Their unique ReCon cloud-​​based system can detect those leaks and give you the tools to stop them.

11/13/15 - BOSTON, MA. -  Assistant professor David Choffnes poses for a portrait in West Village H at Northeastern University on Nov. 13, 2015. Choffnes research concerns personal identification leaks on mobile apps. Northeastern University on Nov. 13, 2015. Photo by: Matthew Modoono/Northeastern University

New app monitors net neutrality in mobile networks

David Choffnes, a mobile sys­tems expert at North­eastern Uni­ver­sity, and his research col­leagues have released the novel app just four days after the Fed­eral Com­mu­ni­ca­tions Com­mis­sion voted for net neutrality.

Word Cloud Internet Neutrality

New tools to get your smartphone up to speed

Dave Choffnes, an assis­tant pro­fessor in the Col­lege of Com­puter and Infor­ma­tion Sci­ence, is devel­oping pro­grams that incen­tivize smart­phone users to share their data in order to improve the mobile Internet expe­ri­ence while still pro­tecting their privacy.

David Choffnes

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