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Welcome to Simson Garfinkel's personal web site.  
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.  ([[Bio|Read full bio.]])  
Simson L. Garfinkel 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.  ([[Bio|Read full bio.]])  


==News==
==Recent Publications==
* 2023-10-31 [https://www.linkedin.com/pulse/whoops-ai-llm-coach-simson-garfinkel-cyfwe WHOOP's AI (LLM) Coach] (LinkedIn).
* 2023-08-01 Simson Garfinkel, Jon Stewart, [https://cacm.acm.org/magazines/2023/8/274937-sharpening-your-tools/fulltext Sharpening Your Tools: Updating bulk_extractor for the 2020s], Communications of the ACM, August 2023
* 2023-01-01 Simson Garfinkel and Eugene H. Spafford. 2023. In Memoriam: Frederick P. Brooks, Jr. 1931-2022, Commun. ACM 65, 10 (Jan 2023), https://doi.org/10.1145/3572995
* 2022-01-24 [https://mit-serc.pubpub.org/pub/differential-privacy-2020-us-census/release/1 Differential Privacy and the 2020 US Census] published by the MIT Schwarzman College of Computing Case Studies series.
* 2022-01-24 [https://mit-serc.pubpub.org/pub/differential-privacy-2020-us-census/release/1 Differential Privacy and the 2020 US Census] published by the MIT Schwarzman College of Computing Case Studies series.
* 2021-10-22 AMS Notices has published [https://www.ams.org/journals/notices/202110/rnoti-p1727.pdf The Philosophy of Differential Privacy], which I wrote with Claire McKay Bowen.
* 2021-10-22 AMS Notices has published [https://www.ams.org/journals/notices/202110/rnoti-p1727.pdf The Philosophy of Differential Privacy], which I wrote with Claire McKay Bowen.
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* 2020-01-23 [https://simson.net/notepaper Simson's Notepaper App] has been upgraded! Print your own notepaper! And new features are on the way, including integration with Apple Calendar.
* 2020-01-23 [https://simson.net/notepaper Simson's Notepaper App] has been upgraded! Print your own notepaper! And new features are on the way, including integration with Apple Calendar.
* 2019-11-19 [https://simson.net/ref/2019/2019-11-19%20The%20Computer%20Book%20talk%20at%20NSF.pdf The Computer Book Talk at NSF]
* 2019-11-19 [https://simson.net/ref/2019/2019-11-19%20The%20Computer%20Book%20talk%20at%20NSF.pdf The Computer Book Talk at NSF]
 
.
==Differential Privacy Resources==
* [https://dpwiki.org/demo-top-down/dp-demo/sim-top-down/demo.html Demonstration of the US Census Bureau's Top-Down Differential Privacy algorithm]
* [[Differential privacy|More differential privacy resources]].


==Recent tutorials and presentations==
==Recent tutorials and presentations==
''Note: talks with the same name may (and frequently do) have different slides''
''Note: talks with the same name may (and frequently do) have different slides''
* 2023-12-18 [https://simson.net/ref/2023/2023-12-18%20DP%20Theory%20and%20Practice.pdf Differential Privacy Theory and Practice] [https://www.cl.cam.ac.uk/research/security/seminars/archive/video/2023-12-18-t206935.html video]
* 2020-06-15 [https://www.youtube.com/watch?time_continue=49&v=bxU6yHNUVns Using Apache Spark and Differential Privacy for Protecting the Privacy of the 2020 Census Respondents], at the Spark+AI virtual conference.
* 2020-06-15 [https://www.youtube.com/watch?time_continue=49&v=bxU6yHNUVns Using Apache Spark and Differential Privacy for Protecting the Privacy of the 2020 Census Respondents], at the Spark+AI virtual conference.
* 2019-11-19 [https://simson.net/ref/2019/2019-11-19%20The%20Computer%20Book%20talk%20at%20NSF.pdf The Computer Book Talk at NSF]
* 2019-11-19 [https://simson.net/ref/2019/2019-11-19%20The%20Computer%20Book%20talk%20at%20NSF.pdf The Computer Book Talk at NSF]
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* 2019-05-02 [http://simson.net/ref/2019/2019-05-02%20Garfinkel%20Differential%20Privacy%20Concepts%20(APPROVED).pptx Differential Privacy Concepts]
* 2019-05-02 [http://simson.net/ref/2019/2019-05-02%20Garfinkel%20Differential%20Privacy%20Concepts%20(APPROVED).pptx Differential Privacy Concepts]
* 2019-01-28 [https://www.youtube.com/watch?v=3ksa-e_501w Rice Symposium on Data Privacy], discussing the 2020 Disclosure Avoidance System.
* 2019-01-28 [https://www.youtube.com/watch?v=3ksa-e_501w Rice Symposium on Data Privacy], discussing the 2020 Disclosure Avoidance System.
* 2018-10-29 [https://simson.net/ref/2018/2018-10-31%20Cybersecurity%20Research.pdf Cybersecurity research is not making us more secure], University of Pennsylvania CIS Seminar and Events, [http://www.cis.upenn.edu/about-cis/events/ Fall 2018 Colloqium Series], Philadelphia, PA.
* 2018-10-19 [https://www2.census.gov/programs-surveys/decennial/2020/program-management/pmr-materials/10-19-2018/pmr-disclosure-avoidance-2019-10-19.pdf? 2020 Census Disclosure Avoidance], [https://www.census.gov/programs-surveys/decennial-census/2020-census/planning-management/program-briefings/2018-10-19-pmr.html 2020 Census Program Management Review – October 19, 2018], US Census Bureau, Suitland, MD
* 2018-10-16 [http://simson.net/ref/2018/2018-10-15%20Garfinkel%20WPES%20Toronto%20Canadav2.pdf Issues Encountered Deploying Differential Privacy], WPES 2018, Toronto, CA
* 2018-03-08 [http://simson.net/ref/2018/2018-03-08%20Challenges%20and%20Experiences%20Adapting%20Differentially%20Private%20Mechanisms%20to%20the%202020%20Census%20(APPROVED).pptx Challenges and Experiences Adapting Differentially Private Mechanisms to the 2020 Census]
* 2018-02-20 [http://simson.net/ref/2018/2018-02-20%20Garfinkel%20Protecting%20Data%20Sources.pdf Protecting Data Sources], presented at the 4th Kavli Conference on Science Journalism, Austin, TX.
* 2018-02-14 [http://simson.net/ref/2018/2018-02-14%20Garfinkel%20Gerogetown%20Modernizing%20the%20DAS%20for%20the%202020%20Census.pdf Modernizing the Disclosure Avoidance System for the 2020 Census], presented at Georgetown University


See also my [[Presentations Archive]] and my [[AWS Tutorial]].
See also my [https://simson.net/ref/ Presentations Archive].


==Recent publications==  
==Recent publications==  
* Pridgen, Adam, Simson Garfinkel and Dan Dan Wallach, [http://simson.net/clips/academic/2017.HICSS.Present_But_Unreachable.pdf 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. [http://simson.net/clips/academic/2017.HICSS.Present_But_Unreachable_Slides.pdf slides] [http://simson.net/clips/academic/2017.HICSS.Present_But_Unreachable_Plaque.jpg BEST PAPER AWARD]
#Garfinkel, Simson. [https://mit-serc.pubpub.org/pub/differential-privacy-2020-us-census/release/1 Differential Privacy and the 2020 Census], MIT Schwarzman College of Computing Case Studies in Social and Ethical Responsibilities of Computing, Winter 2022.
* Theofanos, Mary, Simson Garfinkel, and Yee-Yin Choong, Secure and Usable Enterprise Authentication: Lessons from the Field, IEEE Security and Privacy, September/October 2016.
#Bowen, Claire McKay and Simson Garfinkel, [https://www.ams.org/journals/notices/202110/rnoti-p1727.pdf The Philosophy of Differential Privacy], AMS Notices, November 2021.
* Garfinkel, Simson, Michael McCarrin, [http://www.simson.net/clips/academic/2015.DFRWS.Hash-Based-Carving.pdf Hash-Based Carving: Searching media for complete files and fragments with sector hashing and hashdb], DFRWS 2015, Philadelphia, PA.
# Abowd, J. M., Ashmead, R., Cumings-Menon, R., Garfinkel, S., Kifer, D., Leclerc, P., Sexton, W., Simpson, A., Task, C., & Zhuravlev, P. (2021). An uncertainty principle is a price of privacy-preserving microdata. In M. Ranzato, A. Beygelzimer, Y. Dauphin, P. Liang, & J. W. Vaughan (Eds.), Advances in neural information processing systems (pp. 11883– 11895). Curran Associates, Inc. https://proceedings.neurips.cc/paper/2021
# Simson L. Garfinkel and Philip Leclerc. 2020. [https://dl.acm.org/doi/10.1145/3411497.3420211 Randomness Concerns when Deploying Differential Privacy.] In Proceedings of the 19th Workshop on Privacy in the Electronic Society (WPES'20). Association for Computing Machinery, New York, NY, USA, 73–86. DOI:https://doi.org/10.1145/3411497.3420211 (Acceptance rate 44%)


   
   
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==Current projects==  
==Current projects==  
;Software and systems:
; Software and systems:
* bulk_extractor 2.0
* Cleaning up the [https://github.com/sleuthkit/sleuthkit Sleuth Kit Github site] Pull Requests and outstanding Issues.
* tcpflow 2.0
* _Differential Privacy_ (MIT Press 2025)
* [https://github.com/Plant-Tracer/webapp/ Plant-Tracer], a computer vision application for plant movement labs.
 
; Teaching
* [https://firstyearseminarprogram.college.harvard.edu/directory/defense-against-the-dark-arts-cybersecurity-edition/ Co-Teaching Defense of the Dark Arts (Cybersecurity Edition)] at Harvard.
* [https://scholar.harvard.edu/mikesmith/classes/ac221-critical-thinking-data-science Co-Teaching AC221 Critical Thinking in Data Science] at Harvard John A. Paulson School of Engineering and Applied Sciences
* Co-Teaching CSCI E-11, Frontiers in Computer Science at Harvard Extension


; Academic Research
; 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 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]]
You may also be interested in my [[Future Projects]]
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==Completed projects==  
==Completed projects==  
* bulk_extractor 2.0
* tcpflow 2.0
* ''Law and Policy for the Quantum Age'', Hoofnagle & Garfinkel, (Cambridge University Press, 2021)
* [https://github.com/simsong/tcpflow tcpflow], a TCP/IP session reassembler (2006--2014)
* [https://github.com/simsong/tcpflow tcpflow], a TCP/IP session reassembler (2006--2014)
* [https://github.com/simsong/bulk_extractor bulk_extractor], a high-speed feature extractor (2006--2014)
* [https://github.com/simsong/bulk_extractor bulk_extractor], a high-speed feature extractor (2006--2014)
* [http://www.forensicswiki.org/wiki/Category:Digital_Forensics_XML Digital Forensics XML] (2005--2012)
* [https://forensics.wiki/tags/#digital-forensics-xml Digital Forensics XML] (2005--2012)
* [http://www.forensicswiki.org/ The Forensics Wiki], founder and maintainer (2005--2014)
* [https://forensics.wiki/ The Forensics Wiki], founder and maintainer (2005--2014)
* [http://www.simson.net/ref/sbook5 SBook5], a free-format address book for MacOS. (1991--2006)  
* [https://www.simson.net/ref/sbook5 SBook5], a free-format address book for MacOS. (1991--2006)  
* [http://www.afflib.org AFF], The Advanced Forensic Format (for storing digital evidence)
* [https://forensics.wiki/aff/ AFF], The Advanced Forensic Format (for storing digital evidence)
* [http://www.simson.net/ref/2001/agenda/ Agenda], an early conference scheduling app for PalmOS. (2001)  
* [https://www.simson.net/ref/2001/agenda/ Agenda], an early conference scheduling app for PalmOS. (2001)  
* [http://www.simson.net/notepaper Print your own notepaper]  (2003, updated in 2020!)
* [https://www.simson.net/notepaper Print your own notepaper]  (2003, updated in 2020!)
* [http://www.mediawiki.org/wiki/Extension:Bibtex Updated MediaWiki BibText Extension] (2007)
* [https://www.mediawiki.org/wiki/Extension:Bibtex Updated MediaWiki BibText Extension] (2007)
* [http://www.simson.net/ref/NeXT/nextworld NeXTWORLD Magazine] (1991--1993)  
* [https://www.simson.net/ref/NeXT/nextworld NeXTWORLD Magazine] (1991--1993)  
* [http://www.simson.net/ref/1995/10spring/ 10 Spring Street], Vineyard Haven, Virtual Tour (1995)  
* [https://www.simson.net/ref/1995/10spring/ 10 Spring Street], Vineyard Haven, Virtual Tour (1995)  
* [[docx_steg]] Tools for hiding information in docx files and printing their contents (2008)
* [[docx_steg]] Tools for hiding information in docx files and printing their contents (2008)
|}  
|}  
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* [[XML Resources]]  
* [[XML Resources]]  
* [[Student Resources]]
* [[Student Resources]]
* [http://www.cis.syr.edu/~wedu/seed/index.html SEED: Developing Instructional Laboratories for Computer SEcurity EDucation]
* [http://www.cis.syr.edu/~wedu/seed/index.html SEED: Developing Instructional Laboratories for Computer Security Education]
| width="50%" style="vertical-align:top" |
| width="50%" style="vertical-align:top" |


==Where to find Simson Garfinkel online==  
==Where to find Simson Garfinkel online==  
* [https://twitter.com/xchatty @xchatty] on Twitter.
* [https://twitter.com/xchatty @xchatty] on Twitter
* [http://www.technologyreview.com/search.aspx?s=simson+garfinkel Articles in Technology Review]
* <html><a rel="me" href="https://newsie.social/@xchatty">@xchatty@newsie.social on Mastodon</a> </html>
* [http://portal.acm.org/author_page.cfm?id=81100415667&coll=GUIDE&dl=GUIDE&CFID=18863541&CFTOKEN=44283461 ACM Digital Library Author Profile]  Or just click: [[Official ACM Publications]]
* [https://github.com/simsong simsong] on GitHub
* [http://www.informatik.uni-trier.de/~ley/db/indices/a-tree/g/Garfinkel:Simson_L=.html DBLP Profile]
* [https://www.technologyreview.com/search.aspx?s=simson+garfinkel Articles in Technology Review]
* [http://www.linkedin.com/pub/dir/?last=Garfinkel&first=Simson LinkedIn Profile]  
* [https://portal.acm.org/author_page.cfm?id=81100415667&coll=GUIDE&dl=GUIDE&CFID=18863541&CFTOKEN=44283461 ACM Digital Library Author Profile]  Or just click: [[Official ACM Publications]]
* [https://www.informatik.uni-trier.de/~ley/db/indices/a-tree/g/Garfinkel:Simson_L=.html DBLP Profile]
* [https://www.linkedin.com/pub/dir/?last=Garfinkel&first=Simson LinkedIn Profile]
* [https://www.scopus.com/authid/detail.uri?authorId=36867821700 Scopus]
* [https://stackexchange.com/users/21138/vy32?tab=accounts StackExchange]
* [https://stackexchange.com/users/21138/vy32?tab=accounts StackExchange]
* [https://www.csauthors.net/simson-l-garfinkel/ csauthors.net] (Both my [https://spaf.cerias.purdue.edu/miscellaneous.html Erdös number]  and my [https://www.csauthors.net/distance/simson-l-garfinkel/edsger-w-dijkstra Dijkstra numbers] are three.)
* [https://www.csauthors.net/simson-l-garfinkel/ csauthors.net] (Both my [https://spaf.cerias.purdue.edu/miscellaneous.html Erdös number]  and my [https://www.csauthors.net/distance/simson-l-garfinkel/edsger-w-dijkstra Dijkstra numbers] are three.)
* [https://scholar.google.com/citations?user=87fGQ0AAAAAJ&hl=en Google Scholar]
* [https://scholar.google.com/citations?user=87fGQ0AAAAAJ&hl=en Google Scholar]
* [http://www.citeulike.org/search/all?q=simson+garfinkel Citeulike Profile]
* [https://muckrack.com/simsong Muckrack]
* [https://muckrack.com/simsong Muckrack]
* [http://www.forensicswiki.org/wiki/User:Simsong ForensicsWiki User Page]
* [https://en.wikipedia.org/wiki/Simson_Garfinkel Wikipedia Article on Simson Garfinkel]  
* [http://en.wikipedia.org/wiki/Simson_Garfinkel Wikipedia Article on Simson Garfinkel]  
* [https://www.amazon.com/gp/richpub/listmania/byauthor/A1GDABXA5Z7BLQ Amazon.com Listmania! Lists]
* [http://www.amazon.com/gp/richpub/listmania/byauthor/A1GDABXA5Z7BLQ Amazon.com Listmania! Lists]
* [https://orcid.org/ ORCID]: https://orcid.org/0000-0003-1294-2831
* [https://orcid.org/ ORCID]: https://orcid.org/0000-0003-1294-2831
* [https://www.mendeley.com/profiles/simson-garfinkel/ Mendeley]
* [https://www.mendeley.com/profiles/simson-garfinkel/ Mendeley]

Latest revision as of 08:13, 10 September 2024

Welcome to Simson Garfinkel's personal web site.

Simson L. Garfinkel 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.)

Recent Publications

.

Recent tutorials and presentations

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

See also my Presentations Archive.

Recent publications

  1. Garfinkel, Simson. Differential Privacy and the 2020 Census, MIT Schwarzman College of Computing Case Studies in Social and Ethical Responsibilities of Computing, Winter 2022.
  2. Bowen, Claire McKay and Simson Garfinkel, The Philosophy of Differential Privacy, AMS Notices, November 2021.
  3. Abowd, J. M., Ashmead, R., Cumings-Menon, R., Garfinkel, S., Kifer, D., Leclerc, P., Sexton, W., Simpson, A., Task, C., & Zhuravlev, P. (2021). An uncertainty principle is a price of privacy-preserving microdata. In M. Ranzato, A. Beygelzimer, Y. Dauphin, P. Liang, & J. W. Vaughan (Eds.), Advances in neural information processing systems (pp. 11883– 11895). Curran Associates, Inc. https://proceedings.neurips.cc/paper/2021
  4. Simson L. Garfinkel and Philip Leclerc. 2020. Randomness Concerns when Deploying Differential Privacy. In Proceedings of the 19th Workshop on Privacy in the Electronic Society (WPES'20). Association for Computing Machinery, New York, NY, USA, 73–86. DOI:https://doi.org/10.1145/3411497.3420211 (Acceptance rate 44%)


Current projects

Software and systems
  • Cleaning up the Sleuth Kit Github site Pull Requests and outstanding Issues.
  • _Differential Privacy_ (MIT Press 2025)
  • Plant-Tracer, a computer vision application for plant movement labs.


Teaching
Academic Research

You may also be interested in my Future Projects

Completed projects


Resources For Students

Where to find Simson Garfinkel online