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To find out about my research, students, and latest publications, please visit my research lab's website - the Amyoli Internet Research Laboratory or AIR lab for short. I have received generous research funding from the National Science Foundation, the National Security Agency, a Facebook "Securing the Internet" award, and multiple Google Faculty Research Awards. 


  • Blinder, E., Fessehazion, S., Torok, Z., bonsignore, e., Fails, J., Yip, J., Chetty, M., Vitak, J., and Clegg, T. Evaluating Privacy and Security Tradeoffs With Children Using Hypothetical `Would You Rather' Scenarios. To Appear CSCW 2024.

  • Katcher,S., Wang, L,  Yang, C., Messdaghi, C., Mazurek, M.L., Chetty, M.,  Fulton, K.R., and Votipka, D. A Survey of Cybersecurity Professionals’ Perceptions and Experiences of Safety and Belonging in the Community. To Appear SOUPS 2024.

  • Schaffner, B.,  Bhagoji, A.N., Cheng, M., Mei, J., Shen, J., Wang, G., Lakier, G., Tan, C., Feamster, N., and Chetty, M. Community Guidelines Make This the Best Party on the Internet: An In-Depth Study of Online Platforms' Content Moderation Policies. CHI 2024. [pdf] [dataset and web scraper]

  • Schaffner, B., Brohn, A., Chee, J., Feng, K.J., and Chetty, M. Designing and Testing a Mobile Application for Collecting WhatsApp Chat Data While Preserving Privacy. Available on Arxiv. 2024 [pdf]

  • Tran, V. Mehrotra, A., Chetty, M., Feamster, N., Frankenreiter, J., and Strahilevitz, L. Measuring Compliance with the California Consumer Privacy Act Over Space and Time. CHI 2024. [pdf]


  • Chanenson, J., Sloane, B., Morrill, A., Chee, J., Rajan, N., Huang, D., and Chetty, M. Uncovering Privacy and Security Challenges In K-12 Schools. CHI 2023. [pdf*Honorable Mention Award

  • Huisingh-Scheetz, M., Bryant, B., Taylor, C.,  Foster, B., Appelhans, B., Chetty, M., Danilovich, M., Davis, E., Feamster, N., Finch, L., Richardson, M., Thomas, N., Wagman, K., Wan, W., Wilder, J., Hawkley, L. Design, methods and preliminary findings for the EngAGE trial: An exercise and social engagement intervention for multimorbid, homebound African American older adult-care partner dyads delivered over voice-activated technology. Oral Presentation. International Conference on Frailty and Sarcopenia Research. Toulouse, France. To Appear March 22-24, 2023.

  • Kumar, P. C., O’Connell, F., Li, L., Byrne, V., Chetty, M., Clegg, T., and Vitak, J. Understanding research on designing for children’s privacy and security: A document analysis. IDC 2023. [pdf]

  • Schaffner, B., Stefanescu, A., Campili, O, and Chetty, M. Don’t Let Netflix Drive the Bus: User’s Sense of Agency OverTime and Content Choice on Netflix”. CSCW 2023. [pdf]

  • Wagman, K. B., Blinder, E. B., Song, K., Vignon, A., Dworkin, S., Clegg, T., Vitak, J., and Chetty, M. “We picked community over privacy”: Privacy and security concerns emerging from remote learning sociotechnical infrastructure during COVID-19. CSCW 2023. [pdf]


  • Apthorpe, N., Emami-Naeini, P., Mathur, A., Chetty, M., and Feamster, N. (2022) You, Me, and IoT: How Internet-Connected Consumer Devices Affect Interpersonal Relationships. Transactions of Internet of Things (TIOT). [pdf]

  • Dutkowska-Zuk, A., Hounsel, A., Morill, A., Xiong, A., Chetty, M., and Feamster, N. (2022) How and Why People Use Virtual Private Networks. USENIX Security 2022. [pdf]

  • Feng, K.K.J., Song, K., Li, K., Chakrabarti, O., and Chetty, M. (2022) Investigating How University Students in the United States Encounter and Deal With Misinformation in Private WhatsApp Chats During COVID-19. SOUPS 2022. [pdf]

  • Fulton, K.R., Katcher, S., Song, K., Chetty, M., Mazurek, M.L.,  Messdaghi, C., and Votipka, D. (2022) Vulnerability Discovery for All: Experiences of Marginalization in Vulnerability Discovery. IEEE Symposium on Security and Privacy 2022. [pdf]

  • Schaffner, B., Lingareddy, N., and Chetty, M. (2022) Understanding Account Deletion and Relevant Dark Patterns On Social Media. CSCW 2022. [pdf]

  • [Public Policy] Chetty, M., Kugler, M., Schaffner, B. and Strahilevitz, L. (2022). Comment on California Consumer Privacy Act Regulations - Public Participation in the Rulemaking Process. [pdf]

  • [Public Policy] Chanenson, J., Chetty, M., Crum, C., Feamster, N., Holiman, J., Khanna, A., MacMillan, K., Pandey, B., Peterson, A., Rothstein, Z., Schaffner, B., Strahilevitz, L., and Yasmeh, J. (2022) Comment on Dark Patterns in Social Media for European Data Protection Board. [pdf]

  • [Public Policy] Collaborative comment with King, J., Kshirsagar, M., et al. (2022) on Digital Advertising Business Guidance Request for Information. [pdf]


  • Boyd, M., Sullivan, J., Chetty, M. and Ur, B. (2021) Understanding the Security and Privacy Advice Given to Black Lives Matter Protesters. CHI 2021. [pdf]. *Honorable Mention Award

  • Major, D., Huang, D., Chetty, M. and Feamster, N. (2021) Alexa, Who Am I Speaking To? Understanding Users’ Ability to Identify Third-Party Apps on Amazon Alexa. Transactions on Internet Technology. 2021. [pdf].

  • [Public Policy] Chetty, M., Lingareddy, N., Schaffner, B., and Strahilevitz, L. (2021) Comment on Dark Patterns for Federal Trade Commission Docket FTC-2021-0019. [pdf]


  • Kumar, P.C., Subramaniam, M., Vitak, J., Clegg, T.L., & Chetty, M. (2020). Strengthening Children’s Privacy Literacy Through Contextual Integrity. Media and Communication, 8(4). [pdf]

  • Narayanan, A., Mathur, A., Chetty, M., & Kshirsagar, M. (2020). Dark Patterns: Past, Present, and Future. Queue, 18(2), 67-92. [pdf]

  • Reichel, J., Peck, F., Inaba, M., Moges, B., Chawla, B., S., and Chetty, M. (2020) `I have too much respect for my elders': Understanding South African Mobile Users' Perceptions of Privacy and Current Behaviors on Facebook and WhatsApp. USENIX Security 2020. [pdf]

  • Swart, M., Lopez, Y., Mathur, A., and Chetty, M. (2020) Is This An Ad?: Automatically Disclosing Online Endorsements On YouTube With AdIntuition. CHI 2020. [pdf] Note: AdIntuition is available for Firefox and Chrome.

  • [Public Policy] Chetty, M., Kshirsagar, M., Mathur A., Mayer, J., and Narayanan, A. (June 2020). Comment on Online Endorsement Guidelines To Federal Trade Commission. [pdf]

  • [Public Policy] Chetty, M., Cohney, S., Kshirsagar, M., Mathur, A., Mayer, J., Narayanan, A., Teixeira, E., and Waldman, A.E. (February 2020) Comment on Revised Proposed Regulations Implementing the California Consumer Privacy Act. [pdf]


  • Kumar, P., Chetty, M., Clegg, T., and Vitak, J. (2019) Privacy and Security Considerations For Digital Technology Use in Elementary Schools.  CHI 2019. [pdf]

  • Kumar, P., Vitak, J., Clegg, T., and Chetty, M. (2019). The Platformization Of The Classroom: Teachers As Surveillant Consumers. Surveillance & Society, 17(1/2), 145-152. [pdf]

  • Li, F., Rogers, L., Mathur, A., Malkin, N., and Chetty, M. (2019) Keepers of the Machines: Examining How System Administrators Manage Software Updates For Multiple Machines. SOUPS 2019 [pdf]  *Distinguished Paper Award

  • Mathur, A., Acar, G., Friedman, M., Lucherini, E., Mayer, J., Chetty, M., and Narayanan, A. (2019) Dark Patterns at Scale: Findings from a Crawl of 11K Shopping Websites. CSCW 2019. [pdf*Privacy Papers for Policymakers 2019 Award

  • [Public Policy] Chetty, M., Felten, E.W., Kshirsagar, M.,  Mathur, A., Mayer, J., Narayanan, A., Ongkowijaya, V.,  Salganik, M.J., Sanfilippo, M. and Waldman, A.E. (December 2019) COPPA Rule Review, 16 CFR part 312, Project No. P195404. [pdf]


  • Kumar, P., Vitak, J., Chetty, M., Clegg, T., Yang, J., McNally, B., and bonsignore, e. (2018) Co-Designing Online Privacy-Related Games and Stories with Children. Interaction Design and Children Conference 2018. [pdf]

  • Mathur, A., Narayanan, A., and Chetty, M. (2018) Endorsements on Social Media: An Empirical Study of Affiliate Marketing Disclosures on YouTube and Pinterest. CSCW 2018. [pdf*Best Paper Award.

  • Mathur, A., Narayanan, A., Vitak, J., and Chetty, M. (2018) Characterizing the Use of Browser-Based Blocking Extensions To Prevent Online Tracking. SOUPS 2018. [pdf]

  • Romanosky, J. and Chetty, M. (2018) 'Understanding the Use and Impact of the Zero-Rated Free Basics Platform in South Africa'. CHI 2018. [pdf]

  • Winter, P., Edmundson, A., Roberts, L., Dutkowska-Żuk, A., Chetty, M., and Feamster, N. (2018) How Do Tor Users Interact With Onion Services? Usenix Security 2018. [pdf]

  • Zheng, S., Apthorpe, N., Chetty, M., and Feamster, N. (2018) User Perceptions of Smart Home IoT Privacy. CSCW 2018. [pdf]

  • Mathur, A., Narayanan, A., and Chetty M. An Empirical Study of Affiliate Marketing Disclosures on YouTube and Pinterest. (2018) The Workshop on Technology and Consumer Protection (ConPro '18). [pdf]


  • Chang, V., Chundury, P., and Chetty, M. (2017). "Spiders in the Sky": User Perceptions of Drones, Privacy, and Security. CHI 2017, Denver, Colorado, USA. [pdf]

  • Kumar, P., Naik, S.M., Devkar, U.R., Chetty, M., Clegg, T., and Vitak, J. (2017) ‘No Telling Passcodes Out Because They’re Private’: Understanding Children’s Mental Models of Privacy and Security Online. CSCW 2018 Online First. [pdf]

  • Mathur, A. and Chetty, M. (2017). "Impact of User Characteristics on Attitudes Towards Automatic Mobile Application Updates. SOUPS 2017, Santa Clara, California, USA. [pdf]


  • Mathur, A., Sobti, S., Engel, J., Chang, V., and Chetty, M. (2016). "They Keep Coming Back Like Zombies" Improving Software Updating Interfaces. SOUPS 2016, Denver, Colorado, USA. [pdf


  • Chetty, M., Kim, H., Sundaresan, S., Burnett, S., Feamster, N., and Edwards, W.K.. (2015) "uCap: An Internet Data Management Tool For The Home". CHI 2015, Seoul, Korea. [pdf]

  • Mathur, A., Schlotfeldt, B, and Chetty, M.. (2015) "A Mixed-Methods Study of Mobile Users' Data Usage Practices in South Africa". Ubicomp 2015, Osaka, Japan. [pdf]


  • Gupta, A., Calder, M., Feamster, N., Chetty, M., Calandro, E., and Katz-Bassett, E. (2014) "Peering at the Internet's Frontier. A First Look at ISP Interconnectivity in Africa." PAM 2014, Los Angeles, CA, USA. [pdf]


  • Chetty, M., Muckaden, S., Sundaresan, S., Feamster, N., and Calandro, E. (2013) "Measuring Broadband Performance in South Africa". ACM DEV 2013, Cape Town, South Africa. [pdf]

  • Wyche, S.P. and Chetty, M. (2013) "Designing to Support Connectivity Between Africans Living Abroad and "Home"". CHI 2013, Paris, France. [pdf]

  • Chetty, M., Calandro, E. and Feamster, N. (2013) Latency Effects on Broadband Performance in South Africa. Internet Society Workshop on Reducing Internet Latency.[pdf]


  • Chetty, M., Banks, R., Bernheim Brush, A.J., Donner, J. and Grinter, R.E. (2012) "You're Capped" Understanding the Effects of Broadband Caps on Broadband Use in the Home. CHI 2012, Austin, TX, USA. [pdf]

  • Chetty, M. and Feamster, N. (2012) Refactoring Network Infrastructure to Improve Manageability: A Case Study of Home Networking. ACM SIGCOMM Computer Communication Review. Vol 42, No 3. July 2012. [pdf]


  • Chetty, M., Haslem, D., Baird, A., Ofoha, U., Sumner, B. and Grinter, R.E. (2011) Why Is My Internet Slow?: Making Network Speeds Visible. CHI 2011, Vancouver, Canada. [pdf] *Best Paper Award.

  • Kim, H., Sundaresan, S., Chetty, M., Feamster, N. and Edwards, W. K. (2011) Communicating with Caps: Managing Usage Caps in Home Networks. SIGCOMM 2011 Demo, ACM. [pdf]

  • Sundaresan, S., Feamster, N., Teixeira, R., Tang, T., Edwards, W.K., Grinter, R.E., Chetty, M., and de Donato, W. (2011) Helping Users to Shop for ISPs with Nutrition Labels. HomeNets Workshop SIGCOMM 2011, ACM. [pdf]

  • Chetty, M., Banks, R. Bernheim Brush, A.J., Donner, J. and Grinter, R.E. (2011) While The Meter Is Running: Computing In A Capped World. Interactions Magazine, ACM. [pdf]

  • Wagstom, P., Thomas, J., Martino, J., Jones, L., von Kaenel, J. and Chetty, M. (2011) A Dive into Online Community Properties. CSCW 2011 Interactive Papers, 19-23 March, Hangzhou, China.

  • Chetty, M. (2011) Making Infrastructure Visible: A Case Study of Home Networking. College of Computing, Georgia Institute of Technology. [pdf]


  • Chetty, M., Banks, R., Harper, R., Regan, T., Sellen, A., Gkantsidis, C., Karagiannis, T. and Key, P. (2010) Who's Hogging the Bandwidth?: The Consequences of Revealing the Invisible in the Home. CHI 2010, Atlanta, GA, USA. [pdf]

  • Wyche, S.P, Smyth, T.N., Chetty, M., Aoki, P.M., and Grinter, R.E. (2010) Deliberate Interactions: Characterizing Technology Use In Nairobi, Kenya. CHI 2010, Atlanta, GA USA. [pdf]

  • Chetty, M. (2010) Serving Up from The Internet Melting Pot. Presented at Transnational Times Workshop at Ubicomp 2010, 26-29 September, Copenhagen, Denmark. [pdf]

  • Chetty, M. (2010) Remaking The Things We've Already Made: A Look At Unused Computing Equipment in the Home. Presented at Examining Appropriation, Re-use and Maintenance for Sustainabilty Workshop at CHI 2010, 10-15 April, Atlanta, GA, USA. [pdf]


  • Chetty, M., Brush, A.J.B., Meyers, B.J. and Johns, P. (2009) It's Not Easy Being Green: Understanding Home Computer Power Management. CHI 2009, Boston, USA. [pdf]

  • Grinter, R. E., Edwards, W.K., Chetty, M., Shehan-Poole, E., Sung, J., Yang, J., Crabtree, A., Tolmie, P., Rodden, T., Greenhalgh, C. and Benford, S. (2009) The Ins and Outs of Home Networking: The Case for Useful and Usable Domestic Networking. ACM Trans. Computer-Human Interaction. Vol 16, Issue 2, Article 8. [pdf]

  • Shehan-Poole, E., Chetty, M., Morgan, T., Grinter, R.E. and Edwards, W.K. (2009) Computer Help At Home: Methods and Motivations for Informal Technical Support. CHI 2009, Boston, USA. [pdf]

  • Chetty, M. (2009) Contemporary Domestic Infrastructure and Technology Design. CHI 2009 Doctoral Colloquium, Boston, USA. [pdf]


  • Chetty, M., Tran, D. and Grinter, R.E. (2008) Getting to Green: Understanding Resource Consumption in the Home. Ubicomp 2008, Seoul, Korea. [pdf]

  • Shehan-Poole, E., Chetty, M., Grinter, R.E. and Edwards, W.K. (2008) More than Meets the Eye: Transforming the User Experience of Home Network Management. Designing Interactive Systems, Cape Town, South Africa. [pdf]

  • Chetty, M. (2008) Do Domestic Infrastructures Have Values? Ubicomp 2008 Doctoral Colloquium, Seoul, Korea.

  • Thomas, J. C., Dearden, A., Best, M.L., Dray, S., Light, A., Chetty, M., Kam, M., Maunder, A. and Sambasivan, N. (2008) HCI for Community and International Development. CHI 2008, 5-6 April, Florence, Italy. [pdf]

  • Thomas, J. C., Dearden, A., Best, M.L., Dray, S., Winscheirs. H, Chetty, M., Kam, M., Maunder, A. and Aykin, N. (2008) Building an International Community: Designing Interactive Systems for/with Communities in the Developing World. DIS 2008, Cape Town, South Africa.


  • Chetty, M. and Grinter, R.E. (2007) HCI4D: How Do We Design For The Global South. Presented at User Centered Design and International Development Workshop at CHI 2007, 28 April-3 May, San Jose, Ca, USA. [pdf]

  • Chetty, M. and Grinter, R.E. (2007) HCI4D: HCI Challenges in the Global South. CHI 2007 Extended Abstracts, 28 April-3 May, San Jose, California, USA. (Honorable Mention in People's Choice of WIP awards) [pdf]

  • Chetty, M., Sung, J. and Grinter, R.E. (2007) How Smart Homes Learn: The Evolution of the Networked Home and Household. Ubicomp 2007, Innsbruck, Austria. [pdf]

  • Kientz, J., Arriaga, R.I., Chetty, M., Hayes, G.R., Richardson, J., Patel, S. and Abowd, G. (2007) Grow and Know: Understanding Record-Keeping Needs for the Development of Young Children. CHI 2007, San Jose, California, USA. [pdf]

  • Chetty, M., Buckhalter, C., Best, M., Grinter, R.E. and Guzdial, M. (2007) Description of Computer Science Education in Sub-Saharan Africa: Initial Explorations. Technical Report GIT-GVU-07-14, College of Computing, Georgia Institute of Technology. 


  • Brown, B., Chetty, M., Grimes, A. and Harmon, E. (2006) Reflecting on health: A diet and exercise monitoring system for college students. CHI Extended Abstracts, 22-27 April, Montreal, Canada. [pdf]

  • Chetty, M., Blake, E. and McPhie, E. (2006) Voice Deregulation In South Africa: Implications for Underserviced Areas. Vol 30, Issues 5-6, Pages 332-344, Telecommunications Policy, Elsevier Ltd. [pdf]

  • Chetty, M. and Grinter, R.E. (2006) Making Connections: Designing for Home Networking. Presented at IT@Home Workshop at CHI 2006, 22-27 April, Montreal, Canada. [pdf]


  • Chetty, M. (2005) Developing Locally Relevant Applications for Rural South Africa: A Telemedicine Example. Dept of Computer Science, University of Cape Town, Cape Town, South Africa. [pdf]


  • Chetty, M., Tucker, W. and Blake, E. (2004) Developing Locally Relevant Software Applications For Rural Areas: A South African Example Proceedings of SAICSIT 2004, 4-6 October, Cape Town. [pdf]

  • Chetty, M., Tucker, B. and Blake, E. (2004) Telemedicine in the Eastern Cape using VoIP combined with a Store and Forward Approach In Proceedings Southern African Telecommunication Networks Applications Conference, Cape Town, South Africa. [pdf]


  • Chetty, M., Tucker, B. and Blake, E. (2003) Using Voice over IP to Bridge the Digital Divide - A Critical Action Research Approach. In Proceedings Southern African Telecommunication Networks Applications Conference, George, South Africa. [pdf]

  • Kritzinger, P., Chetty, M., Landman, J., Marconi, M. and Ryndina, O. (2003) ChattaBox: A Case Study in Using UML and SDL for Engineering Concurrent Communicating Software Systems. In Proceedings Southern African Telecommunications Networks and Applications Conference, George, South Africa. [pdf]


  • Chetty, M. (2002) A Comparison of Unified Modeling Language (UML) and Specification and Description Language (SDL). Technical Report 02-01-00, Department of Computer Science, University of Cape Town.

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