Maritza is a PhD student in the Department of Computer Science at Columbia University. Her research interests are in security and human-computer interaction, more specifically usable security and privacy policy management. Her research adviser is Steve Bellovin and she's a member of the Systems Security Center at Columbia. As an undergrad, she studied computer science at the University of San Diego.
Contact
Email: maritzaj 'at' cs.columbia.edu
Office: CSB 464
Publications
Conference Papers
Maritza Johnson, John Karat, Clare-Marie Karat, and Keith Grueneberg. Optimizing a policy authoring framework for security and privacy policies. In SOUPS '10: Proceedings of the 6th Symposium on Usable Privacy and Security, 2010. [pdf] [bib]
Maritza Johnson, John Karat, Clare-Marie Karat, and Keith Grueneberg. Usable policy template authoring for iterative policy refinement. In POLICY '10: Proceedings of the IEEE International Workshop on Policies for Distributed Systems and Networks, 2010. [pdf] [bib]
Elli Androulaki, Maritza Johnson, Binh Vo and Steven Bellovin. Cybersecurity through an Identity Management System. Engaging Data Forum Conference, 2009. [pdf]
Maritza L. Johnson, Chaitanya Atreya, Adam Aviv, Mariana Raykova, Steven M. Bellovin, and Gail Kaiser. RUST: A Retargetable Usability Testbed for Web Site Authentication Technologies. In UPSEC '08: Proceedings of the 1st Conference on Usability, Pyschology, and Security, April 2008. [pdf] [bib]
Zachary O. Toups, Ross Graeber, Andruid Kerne, Louis Tassinary, Sarah Berry, Kyle Overby, and Maritza Johnson. A Design for Using Physiological Signals to Affect Team Game Play. In ACI '06: Proceedings of Augmented Cognition International, Oct 2006. [pdf] [bib]
Workshops
Michelle Madejski, Maritza Johnson, and Steven M. Bellovin. A Study of Privacy Settings Errors in an Online Social Network. In SESOC '12: Proceedings of the 4th IEEE International Workshop on Security and Social Networking, 2012.
Maritza L. Johnson, Steven M. Bellovin, Robert W. Reeder, and Stuart Schechter. Laissez-faire file sharing: Access control designed for individuals at the endpoints. In NSPW '09: Proceedings of the New Security Paradigms Workshop, September 2009. [pdf] [bib]
Position Papers
Serge Egelman and Maritza Johnson. How Good is Good Enough? The Sisyphean struggle for optimal privacy settings. CSCW 2012 Workshop: Reconciling Privacy with Social Media. [pdf]
Maritza Johnson, Steven M. Bellovin, Angelos D. Keromytis. Computer Security Research with Human Subjects: Risks, Benefits, and Informed Consent. 2nd Workshop on Ethics in Computer Security Research 2011. [pdf] [bib]
Maritza Johnson and Steven M. Bellovin. Policy Management for E-Health Records. HealthSec 2010, Usenix Security Workshop, 2010. Position paper. [pdf] [html]
Maritza L. Johnson and Steven M. Bellovin. Security Assurance for Web Device APIs, Security for Access to Device APIs from the Web - W3C Workshop, December 2008, London, UK. Position Paper. [pdf] [bib]
Maritza L. Johnson and Mary Ellen Zurko, Security User Studies and Standards: Creating Best Practices, Security User Studies: Methodologies and Best Practices, CHI 2007, April 2007. [pdf]
Technical Reports
Michelle Madejski, Maritza Johnson, and Steven M. Bellovin. The Failure of Online Social Network Privacy Settings. Tech Report CUCS-010-11, Columbia University, February 2011. [pdf]
Shreyas Srivatsan, Maritza Johnson, and Steven M. Bellovin. Simple-VPN: Simple IPsec Configuration. Tech Report CUCS-020-10, Columbia University, July 2010. [pdf]
Hang Zhao, Maritza Johnson, Chi-Kin Chau, Steven M. Bellovin. Source Prefix Filtering in ROFL. Tech Report CUCS-033-09, Columbia University, July 2009. [pdf]