Timothy Libert is a special faculty instructor of the Institute for Software Research, a department in Carnegie Mellon University's School of Computer Science. His primary research interests are security, privacy, and internet governance and policy. His teaching and research focuses on privacy-compromising information flows on the web, and he is the author of the open-source software platform webXray. He has published research in The Web Conference (WWW2018), ACM WebSci, The Communications of the Association for Computing Machinery, The International Journal of Communication, and The BMJ (British Medical Journal). His work has received international press coverage and he has been interviewed by National Public Radio’s All Things Considered, Good Morning America, and other outlets. He was previously a research fellow at the Alexander von Humboldt Institute for Internet and Society in Berlin, the Center for Media, Data, and Society in Budapest, and the New America Foundation in Washington DC.

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Timothy Libert
Timothy Libert


2017 Ph.D. in Communication, University of Pennsylvania

2014 M.A. in Communication, University of Pennsylvania

2004 B.A. in Sociology (minor in Computer Science), New York University


Media mentions

CyLab Security and Privacy Institute

Third round of Secure and Private IoT Initiative funded projects announced

Carnegie Mellon CyLab’s Secure and Private IoT Initiative (IoT@CyLab) has announced its third round of funding, which will support 12 Internet of Things (IoT)-related projects for one year.

Stats News

Libert published on online privacy

CyLab’s Tim Libert was published on Stats News on the loss of privacy in the wake of the coronavirus pandemic.

CyLab Security and Privacy Institute

Websites containing COVID info are tracking you

In a new study, CyLab's Tim Libert showed that 99 percent of websites that contained information regarding COVID-19 also contained code that shares user activity data with third parties, including advertisers.


Libert quoted on the unforeseen costs of targeted advertising

CyLab's Tim Libert lends his expertise in a recent story from Motherboard on the effects that targeted advertising have had on public discourse and society as a whole.