![Tom Ristenpart working with students](https://tech.cornell.edu/wp-content/uploads/2021/03/TECH_20181113_091.png 5760w, https://tech.cornell.edu/wp-content/uploads/2021/03/TECH_20181113_091-450x300.png 450w, https://tech.cornell.edu/wp-content/uploads/2021/03/TECH_20181113_091-768x512.png 768w, https://tech.cornell.edu/wp-content/uploads/2021/03/TECH_20181113_091-1440x960.png 1440w, https://tech.cornell.edu/wp-content/uploads/2021/03/TECH_20181113_091-225x150.png 225w, https://tech.cornell.edu/wp-content/uploads/2021/03/TECH_20181113_091-100x67.png 100w)
Security & Privacy
Research Areas
Blockchain, Cryptocurrencies, and Cryptocontracts
- Ari Juels Computer Science Field Member, Cornell CIS
Cryptography
- Greg Morrisett Computer Science Field Member, Cornell CIS
- Rafael Pass Computer Science Field Member, Cornell CIS
- Thomas Ristenpart Computer Science Field Member, Cornell CIS
Ethics and Policy
- James Grimmelmann, Professor of Law, Cornell Law School and Information Science Field Member, Cornell CIS
- Helen Nissenbaum, Information Science Field Member, Cornell CIS
Software Security
- Greg Morrisett, Computer Science Field Member, Cornell CIS
- Thomas Ristenpart, Computer Science Field Member, Cornell CIS
- Vitaly Shmatikov, Computer Science Field Member, Cornell CIS
User Privacy
- Nicola Dell Information Science and Computer Science Field Member, Cornell CIS
- Deborah Estrin Computer Science and Information Science Field Member at Cornell CIS
- Helen Nissenbaum Information Science Field Member, Cornell CIS
- Thomas Ristenpart Computer Science Field Member, Cornell CIS
Labs & Initiatives
Faculty
![Nicola Dell headshot](https://tech.cornell.edu/wp-content/uploads/2018/06/Dell_Nicki_2016-1.jpg 1000w, https://tech.cornell.edu/wp-content/uploads/2018/06/Dell_Nicki_2016-1-450x360.jpg 450w, https://tech.cornell.edu/wp-content/uploads/2018/06/Dell_Nicki_2016-1-768x614.jpg 768w, https://tech.cornell.edu/wp-content/uploads/2018/06/Dell_Nicki_2016-1-225x180.jpg 225w, https://tech.cornell.edu/wp-content/uploads/2018/06/Dell_Nicki_2016-1-100x80.jpg 100w)
Nicola Dell
Associate Professor
Nicola Dell is an Associate Professor at the Jacobs Technion-Cornell Institute at Cornell Tech and in the Information Science Department at Cornell University.
Research focus: Designing, building, and evaluating novel computing systems that improve the lives of underserved populations in low-income regions
![Ari Juels headshot](https://tech.cornell.edu/wp-content/uploads/2018/06/headshot.jpg 650w, https://tech.cornell.edu/wp-content/uploads/2018/06/headshot-450x359.jpg 450w, https://tech.cornell.edu/wp-content/uploads/2018/06/headshot-225x180.jpg 225w, https://tech.cornell.edu/wp-content/uploads/2018/06/headshot-100x80.jpg 100w)
Ari Juels
Weill Family Foundation and Joan and Sanford I. Weill Professor
Ari Juels is a Professor at the Jacobs Technion-Cornell Institute at Cornell Tech and the Technion. He is a member of the Computer Science field at Cornell University.
Research focus: Computer security, cryptography, and privacy
![Greg Morrisett headshot](https://tech.cornell.edu/wp-content/uploads/2019/07/Gregoffice1-1.jpg 472w, https://tech.cornell.edu/wp-content/uploads/2019/07/Gregoffice1-1-450x440.jpg 450w, https://tech.cornell.edu/wp-content/uploads/2019/07/Gregoffice1-1-225x220.jpg 225w, https://tech.cornell.edu/wp-content/uploads/2019/07/Gregoffice1-1-100x98.jpg 100w)
Greg Morrisett
Jack and Rilla Neafsey Dean and Vice Provost, Cornell Tech
Greg Morrisett is the Jack and Rilla Neafsey Dean and Vice Provost of Cornell Tech and a faculty member in the Computer Science Department at Cornell University.
Research focus: The application of programming language technology for building secure, reliable, and high-performance software systems
![Helen Nissenbaum headshot](https://tech.cornell.edu/wp-content/uploads/2018/06/Nissenbaum_Helen_2016-1.jpg 1000w, https://tech.cornell.edu/wp-content/uploads/2018/06/Nissenbaum_Helen_2016-1-450x360.jpg 450w, https://tech.cornell.edu/wp-content/uploads/2018/06/Nissenbaum_Helen_2016-1-768x614.jpg 768w, https://tech.cornell.edu/wp-content/uploads/2018/06/Nissenbaum_Helen_2016-1-225x180.jpg 225w, https://tech.cornell.edu/wp-content/uploads/2018/06/Nissenbaum_Helen_2016-1-100x80.jpg 100w)
Helen Nissenbaum
Andrew H. and Ann R. Tisch Professor
Helen Nissenbaum is a Professor at Cornell Tech and in the Information Science Department at Cornell University.
Research focus: Ethical perspective on policy, law, science, and engineering relating to information technology, computing, digital media and data science
![Rafael Pass headshot](https://tech.cornell.edu/wp-content/uploads/2018/06/Rafael_Pass.jpg 1000w, https://tech.cornell.edu/wp-content/uploads/2018/06/Rafael_Pass-450x360.jpg 450w, https://tech.cornell.edu/wp-content/uploads/2018/06/Rafael_Pass-768x614.jpg 768w, https://tech.cornell.edu/wp-content/uploads/2018/06/Rafael_Pass-225x180.jpg 225w, https://tech.cornell.edu/wp-content/uploads/2018/06/Rafael_Pass-100x80.jpg 100w)
Rafael Pass
Professor
Rafael Pass is a Professor at Cornell Tech and in the Computer Science Department at Cornell University.
Research focus: Cryptography and its interplay with Computational Complexity and Game Theory
![Thomas Ristenpart headshot](https://tech.cornell.edu/wp-content/uploads/2018/06/Ristenpart_Thomas_2015_2-1-1440x1151.jpg 1440w, https://tech.cornell.edu/wp-content/uploads/2018/06/Ristenpart_Thomas_2015_2-1-450x360.jpg 450w, https://tech.cornell.edu/wp-content/uploads/2018/06/Ristenpart_Thomas_2015_2-1-768x614.jpg 768w, https://tech.cornell.edu/wp-content/uploads/2018/06/Ristenpart_Thomas_2015_2-1-225x180.jpg 225w, https://tech.cornell.edu/wp-content/uploads/2018/06/Ristenpart_Thomas_2015_2-1-100x80.jpg 100w)
Thomas Ristenpart
Professor
Thomas Ristenpart is an Associate Professor at Cornell Tech and in the Computer Science Department at Cornell University.
Research focus: Computer security topics, with a recent focus on cloud computing security, as well as topics in applied and theoretical cryptography
![Vitaly Shmatikov headshot](https://tech.cornell.edu/wp-content/uploads/2018/06/Shmatikov_Vitaly_2015_2-1-1440x1153.jpg 1440w, https://tech.cornell.edu/wp-content/uploads/2018/06/Shmatikov_Vitaly_2015_2-1-450x360.jpg 450w, https://tech.cornell.edu/wp-content/uploads/2018/06/Shmatikov_Vitaly_2015_2-1-768x615.jpg 768w, https://tech.cornell.edu/wp-content/uploads/2018/06/Shmatikov_Vitaly_2015_2-1-225x180.jpg 225w, https://tech.cornell.edu/wp-content/uploads/2018/06/Shmatikov_Vitaly_2015_2-1-100x80.jpg 100w)
Vitaly Shmatikov
Professor
Vitaly Shmatikov is a Professor at Cornell Tech and in the Computer Science Department at Cornell University.
Research focus: Data privacy, network security, and software security
![](https://tech.cornell.edu/wp-content/uploads/2021/03/Ari-Juels-Thumbnail-1440x809.png 1440w, https://tech.cornell.edu/wp-content/uploads/2021/03/Ari-Juels-Thumbnail-450x253.png 450w, https://tech.cornell.edu/wp-content/uploads/2021/03/Ari-Juels-Thumbnail-768x432.png 768w, https://tech.cornell.edu/wp-content/uploads/2021/03/Ari-Juels-Thumbnail-225x126.png 225w, https://tech.cornell.edu/wp-content/uploads/2021/03/Ari-Juels-Thumbnail-100x56.png 100w, https://tech.cornell.edu/wp-content/uploads/2021/03/Ari-Juels-Thumbnail.png 1920w)
Research Highlight: Ari Juels on Blockchains and Smart Contracts
Professor Ari Juels focuses his research on blockchains. Here, he discusses how smart contracts impact cryptocurrency transactions.
Built at Cornell Tech
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Anonize
Town Crier
OSO Security
Oso makes backend infrastructure security invisible for developers, and simple for operations. Oso is a normalized and consistent interface to core security controls – authentication, authorization, end-to-end encryption, and auditing.
1 OF
Institutional Partners
- Carnegie Mellon University
- Cornell University Department of Computer Science
- Cornell University Department of Information Science
- EPFL (Swiss Federal Institute of Technology in Lausanne)
- ETH Zürich (Swiss Federal Institute of Technology in Zurich)
- Jacobs Technion-Cornell Institute
- New York City Mayor’s Office to End Domestic and Gender-Based Violence (ENDGBV)
- Technion – Israel Institute of Technology
- University College London
- University of California Berkeley
- University of Illinois Urbana–Champaign
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