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Lorrie Faith Cranor

Director and Bosch Distinguished Professor in Security and Privacy Technologies, CyLab Security and Privacy Institute
FORE Systems University Professor, Computer Science and Engineering & Public Policy

Director, Collaboratory Against Hate: Research and Action Center
Director, CyLab Usable Privacy and Security Laboratory
Co-director, MSIT-Privacy Engineering masters program

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mailing address: Carnegie Mellon University, CIC 2107, 4720 Forbes Avenue, Pittsburgh, PA 15213
office: CIC 2107 (4720 Forbes Ave [directions])
phone: 412-268-7534 (I rarely check voice mail)
email: lorrie AT cmu DOT edu
administrative assistant: Priyanka Kochhar, 412 268 1416 pkochha2@andrew.cmu.edu

How should you address me? Professor Cranor and Dr. Cranor are both fine if this is a professional context where titles are used. Outside of professional contexts you may use Dr. Cranor or Ms. Cranor. Please do not address me as Mrs. Cranor in any context. If we're not using titles, then Lorrie is just fine. If you can't decide whether to be formal or not, Professor Lorrie will also do. I use my full name Lorrie Faith Cranor in my publications, but no need to include my middle name elsewhere. Pronouns: she/her.

Important information for prospective students and visitors

Research focus

Usable privacy and security, technology and public policy - See the CyLab Usable Privacy and Security Laboratory website for more information or watch a short video about my research


Current projects

usable privacy choices, Usable Privacy Policy Project, usable and secure passwords, privacy decision making, user-controllable security and privacy, usable cyber trust indicators

Previous research

anti-phishing, P3P, electronic voting, and security vulnerabilities in movie distribution


CMU affiliations

Other affiliations



Current PhD Students: Elijah Bouma-Sims (Societal Computing), Kyle Crichton (EPP), Andy Gallardo (Societal Computing), Sarah Pearman (Societal Computing)

Graduated PhD Students (advisor): Rebecca Balebako (EPP PhD 2014), Cristian Bravo Lillo (EPP PhD 2014), Jessica Colnago (Societal Computing PhD 2021), Serge Egelman (COS PhD 2009), Pardis Emami-Naeini (Societal Computing PhD 2020), Hana Habib (Societal Computing PhD 2021), Patrick Kelley (COS PhD 2013, co-advisor w/ N. Sadeh), Saranga Komanduri (Societal Computing PhD 2016), Ponnurangam Kumaraguru (COS PhD 2009), Pedro Leon (EPP PhD 2014), Abby Marsh (Societal Computing PhD 2018), Aleecia McDonald (EPP PhD 2010), Rob Reeder (CSD PhD 2008), Rich Shay (COS PhD 2015), Steve Sheng (EPP PhD 2009), Manya Sleeper (Societal Computing PhD 2016), Josh Tan (Societal Computing PhD 2020, co-advisor w/ L. Bauer), Janice Tsai (EPP PhD 2009), Blase Ur (Societal Computing PhD 2016), Kami Vaniea (CSD PhD 2012, co-advisor w/ L. Bauer)


I have consulted for companies and non-profits on privacy policies, P3P, usable privacy and security, and technology policy. I have also served as an expert witness in patent litigation and in privacy cases, and in cases challenging the constitutionality of Internet harmful-to-minors laws, including the ACLU's successful challenge to the 1998 Children's Online Protection Act. I currently do expert witness consulting through Harbor Labs.


I spend most of my free time with my husband (Chuck), son (Shane), and daughters (Maya and Nina). I walk to work, practice yoga, take lots of photos, and design and create quilts. I also serve as an elected election judge, SciTech PTO President, and Dynamoms women's soccer commissioner.

Painted Sun Quilt Thesis2 Quilt Happy Flowers Quilt Circular Logic Quilt 2hip 2b square Quilt

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