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Welcome to Simson Garfinkel's personal web site.

Simson L. Garfinkel is the Senior Data Scientist in the Office of the Chief Information Officer at the U.S. Department of Homeland Security. He is also a part-time faculty member at George Washington University in Washington DC, a guest researcher at the U.S. National Institute of Standards and Technology (NIST), and an affiliate of both Georgetown University and George Mason University. He serves on the Association for Computing Machinery's U.S. Technology and Policy Committee, and on its Ethics and Plagiarism Committee. He is also a science journalist who has published hundreds of articles in newspapers and magazines, and 17 books. His research interests broadly include data science ethics, digital forensics, personal information management, counter-intelligence and counter-terrorism. (Read full bio.)

News

• 2021-10-22 AMS Notices has published The Philsophy of Differential Privacy, which I wrote with Claire McKay Bowen.
• 2021-04-13 I will be teaching GWU DATS 6450 — Data Science Ethics this fall.
• 2020-08-28 Marian S. Garfinkel (1932-2020)
• 2020-01-23 Simson's Notepaper App has been upgraded! Print your own note paper! And new features are on the way, including integration with Apple Calendar.
• 2019-11-19 The Computer Book Talk at NSF

Differential Privacy Resources

• Demonstration of the US Census Bureau's Top-Down Differential Privacy algorithm
• More differential privacy resources.

Recent tutorials and presentations

Note: talks with the same name may (and frequently do) have different slides

• 2020-06-15 Using Apache Spark and Differential Privacy for Protecting the Privacy of the 2020 Census Respondents, at the Spark+AI virtual conference.
• 2019-11-19 The Computer Book Talk at NSF
• 2019-07-16 PETS Keynote Address - Deploying Differential Privacy for the 2020 Census of Population and Housing (slides) (pdf)
• 2019-06-18 Mac Forensics in 90 Minutes
• 2019-05-02 Differential Privacy Concepts
• 2019-01-28 Rice Symposium on Data Privacy, discussing the 2020 Disclosure Avoidance System.
• 2018-10-29 Cybersecurity research is not making us more secure, University of Pennsylvania CIS Seminar and Events, Fall 2018 Colloqium Series, Philadelphia, PA.
• 2018-10-19 2020 Census Disclosure Avoidance, 2020 Census Program Management Review – October 19, 2018, US Census Bureau, Suitland, MD
• 2018-10-16 Issues Encountered Deploying Differential Privacy, WPES 2018, Toronto, CA
• 2018-03-08 Challenges and Experiences Adapting Differentially Private Mechanisms to the 2020 Census
• 2018-02-20 Protecting Data Sources, presented at the 4th Kavli Conference on Science Journalism, Austin, TX.
• 2018-02-14 Modernizing the Disclosure Avoidance System for the 2020 Census, presented at Georgetown University

See also my Presentations Archive and my AWS Tutorial.

Recent publications

• Pridgen, Adam, Simson Garfinkel and Dan Dan Wallach, Present but Unreachable, reducing persistent latent secrets in HotSpot JVM, Hawaii International Conference on System Sciences (HICSS-50), Jan 4-7, 2017, Hilton Waikoloa Village, Hawaii. slides BEST PAPER AWARD
• Theofanos, Mary, Simson Garfinkel, and Yee-Yin Choong, Secure and Usable Enterprise Authentication: Lessons from the Field, IEEE Security and Privacy, September/October 2016.
• Garfinkel, Simson, Michael McCarrin, Hash-Based Carving: Searching media for complete files and fragments with sector hashing and hashdb, DFRWS 2015, Philadelphia, PA.

Current projects Software and systems bulk_extractor 2.0 tcpflow 2.0 Academic Research Article about security research and AI New approach to provenance: the Data Vintaging System (new wine in old bottles?) New Data Science Ethics assignment Article on https://digitalcorpora.org/ for a forensics journal. Article about the new bulk_extractor and why it's so much better. In Submission Law and Policy for the Quantum Age, Hoofnagle & Garfinkel, (Cambridge University Press, 2021) You may also be interested in my Future Projects Completed projects tcpflow, a TCP/IP session reassembler (2006--2014) bulk_extractor, a high-speed feature extractor (2006--2014) Digital Forensics XML (2005--2012) The Forensics Wiki, founder and maintainer (2005--2014) SBook5, a free-format address book for MacOS. (1991--2006) AFF, The Advanced Forensic Format (for storing digital evidence) Agenda, an early conference scheduling app for PalmOS. (2001) Print your own notepaper (2003, updated in 2020!) Updated MediaWiki BibText Extension (2007) NeXTWORLD Magazine (1991--1993) 10 Spring Street, Vineyard Haven, Virtual Tour (1995) docx_steg Tools for hiding information in docx files and printing their contents (2008) Resources For Students Current Toolset -- The tools that I use in my research Open Source Computer Science Books -- A good list Mac Resources LaTeX Resources Python Resources Web Resources Windows Resources XML Resources Student Resources SEED: Developing Instructional Laboratories for Computer SEcurity EDucation Where to find Simson Garfinkel online @xchatty on Twitter. Articles in Technology Review ACM Digital Library Author Profile Or just click: Official ACM Publications DBLP Profile LinkedIn Profile StackExchange csauthors.net (Both my Erdös number and my Dijkstra numbers are three.) Google Scholar Citeulike Profile ForensicsWiki User Page Wikipedia Article on Simson Garfinkel Amazon.com Listmania! Lists ORCID: https://orcid.org/0000-0003-1294-2831 Mendeley BibTeX: Garfinkel Academic CSO Magazine Boston Globe NeXTWORLD Technology Review Other