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Welcome to Simson Garfinkel's web site.  
Welcome to Simson Garfinkel's personal web site.  
   
   
Simson L. Garfinkel is an Associate Professor at the Naval Postgraduate School in Monterey, California. His research interests include computer forensics, the emerging field of usability and security, personal information management, privacy, information policy and 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.]])  
 
==Recent and Upcoming Tutorials and Presentations==
==Recent Publications==
* 2013-01-07 [http://meetup.dcacm.org/events/88009552/?eventId=88009552&action=detail  Digital Forensics Innovation: Searching A Terabyte of Data in 10 minutes] (DCACM, Washington DC)
* Garfinkel, Simson. 2024. “Complete Delete: In Practice, Clicking ‘Delete’ Rarely Deletes. Should It?” MIT Case Studies in Social and Ethical Responsibilities of Computing, September. https://doi.org/10.21428/2c646de5.26e95ae4.
* 2012-01-11 [http://simson.net/ref/2013/2013-01-11_Cybersecurity.pdf The Cybersecurity Mess], and what SFS students can do about it.
* Garfinkel, Simson. [https://doi.org/10.2478/jos-2023-0018 "Comment to Mulalidhar and Domingo-Ferrer (2023) – Legacy Statistical Disclosure Limitation Techniques Were Not An Option for the 2020 US Census of Population And Housing"], Journal of Official Statistics, vol.39, no.3, 2023, pp.399-410. https://doi.org/10.2478/jos-2023-0018
* Abowd, J., Ashmead, R., Cumings-Menon, R., Garfinkel, S., Heineck, M., Heiss, C., Johns, R., Kifer, D., Leclerc, P., Machanavajjhala, A., Moran, B., Sexton, W., Spence, M., & Zhuravlev, P. (2022). The 2020 Census Disclosure Avoidance System TopDown Algorithm. Harvard Data Science Review, (Special Issue 2). https://doi.org/10.1162/99608f92.529e3cb9
* Larry Medsker, Philip Koopman, Homa Alemzadeh, Simson Garfinkel, Andrew Grosso, Carl Landwehr, Sam Liles, John Murray, Cristina Nita-Rotaru, William Widen, and Alec Yasinsac. 2024. [https://dl.acm.org/doi/10.1145/3654812 ACM TechBrief: Automated Vehicles]. Association for Computing Machinery, New York, NY, USA.
* Garfinkel, S. [https://www.technologyreview.com/2024/01/04/1084227/how-technology-review-got-its-start/ How Technology Review got its start], Technology Review, January 4, 2024
* Garfinkel, Simson, Rvi Jain, and Aron Rosenthal, [https://www.acm.org/binaries/content/assets/public-policy/final-ustpc-digital-twin-comments-to-ostp_nitrd.pdf Comments in response to NITRD Request for Information for the Creation of a National Digital Twins R&D Strategy Plan], Association for Computing Machinery US Technology Policy Committee, July 18, 2024.
 
==Recent tutorials and presentations==
''Note: talks with the same name may (and frequently do) have different slides''
* 2024-09-20 [https://simson.net/ref/2024/2024-09-20%20Exploring%20the%20Limits%20of%20DP.pdf Exploring the limits of Differential Privacy]
* 2024-06-03 [https://simson.net/ref/2024/2024-06-03%20Harvard%20Innovation.pdf Driving Innovation from the University to Government and the Enterprise: Tricks, Traps and Techniques]
* 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]


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


==Recent Publications==  
==Recent Notable publications==  
You may find these articles interesting:
Academic:
; Academic:
# Clark, David. D, Simson Garfinkel, and KC Claffy, [https://ieeexplore.ieee.org/document/10680197 Differential Privacy, Firm-Level Data, and the Binomial Pathology], IEEE Security and Privacy, January 2025.
#Young J., Foster, K., Garfinkel, S., and Fairbanks, K., [http://simson.net/clips/academic/2012.IEEE.SectorHashing.pdf Distinct Sector Hashes for Target File Detection], IEEE Computer, December 2012
# Garfinkel, Simson. 2024. “Complete Delete: In Practice, Clicking ‘Delete’ Rarely Deletes. Should It?” MIT Case Studies in Social and Ethical Responsibilities of Computing, September. https://doi.org/10.21428/2c646de5.26e95ae4.
#Garfinkel, S. [http://simson.net/clips/academic/2012.DI.dfxml.pdf Digital Forensics XML and the DFXML toolset], Digital Investigation, 2012.  
# Garfinkel, Simson. [https://doi.org/10.2478/jos-2023-0018 "Comment to Mulalidhar and Domingo-Ferrer (2023) – Legacy Statistical Disclosure Limitation Techniques Were Not An Option for the 2020 US Census of Population And Housing"], Journal of Official Statistics, vol.39, no.3, 2023, pp.399-410. https://doi.org/10.2478/jos-2023-0018
#Garfinkel, S., and Dinolt, G. Operations with Degraded Security. IEEE Security & Privacy, pages 18–23, November/December 2011
#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.
# Beverly, Robert, Simson Garfinkel and Greg Cardwell, [http://simson.net/clips/academic/2011.DFRWS.ipcarving.pdf "Forensic Carving of Network Packets and Associated Data Structures"], DFRWS 2011, Aug. 1-3, 2011, New Orleans, LA BEST PAPER AWARD (Acceptance rate: 23%, 14/62)
#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.
History of Computing, Technology and MIT:
# Garfinkel, S. [https://www.technologyreview.com/2025/04/22/1114502/m-i-t-rah-rah-rah-technology/ “M.I.T., rah, rah, rah. Technology!”], April 22, 2025
# Garfinkel, S. [https://www.technologyreview.com/2025/02/25/1111234/mit-prepares-for-nuclear-attack/ MIT prepares for nuclear attack], February 25, 2025
# Garfinkel, S. [https://www.technologyreview.com/2024/12/23/1107304/mits-mostly-secret-society/ MIT’s (mostly) secret society], December 23, 2024
# Garfinkel, S. [https://www.technologyreview.com/2024/08/27/1095666/this-is-mit-and-yes-we-have-bananas/ This is MIT and yes, we have bananas], August 27, 2024
# Garfinkel, S. [https://www.technologyreview.com/2024/06/25/1093149/editor-of-the-tech-becomes-president-of-mit/ Editor of The Tech becomes president of MIT], Technology Review, June 25, 2024


; Journalistic:
* [http://www.technologyreview.com/news/506521/how-to-delete-regrettable-posts-from-the-internet/ How to Delete Regrettable Posts from the Internet], ''Technology Review,'' October 30, 2012.
* [http://www.technologyreview.com/web/39354/ Seven Ways to get yourself hacked],  ''Technology Review'', December 15, 2011.
* [http://www.technologyreview.com/review/425141/a-cloud-over-ownership/ A Cloud over Ownership]: Online services set content free from the physical world’s constraints—including those that have defined the very idea of possession,''Technology Review,'' August 23, 2011
   
   
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==[[Research|Current Research]]==  
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* [[ADOMEX|Automated Computer Forensics]]
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** [[Sub-Linear Drive Analysis]]
** [[Real Data Corpus|The Real Data Corpus]]: Building an unclassified research corpora of disk images from around the world.
* [[Human Subject Data and computer security research]]
* [[Digitally Signed Do-Not-Reply Email]]
You can find a complete list of my research on my [[Research]] page.
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==[[Courses|Teaching]]==  
==Current projects==  
I have recently taught:
; Software and systems:
* [[CS3690|CS3690 - Network Security]]
* Cleaning up the [https://github.com/sleuthkit/sleuthkit Sleuth Kit Github site] Pull Requests and outstanding Issues.
* [[CS4920|CS4920 - Automated Computer Forensics]]
* ''Differential Privacy'' (MIT Press 2025)
* [[CS3636|CS3636 - Data Fusion with Online Information]]
* [https://github.com/Plant-Tracer/webapp/ Plant-Tracer], a computer vision application for plant movement labs.
 
See also [[Courses|complete list of courses I have taught.]]
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==Current Projects==
; Teaching
Software and systems:
* [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://github.com/simsong/tcpflow tcpflow], a TCP/IP session reassembler.  
* [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
* [https://github.com/simsong/bulk_extractor bulk_extractor], a high-speed feature extractor
* Co-Teaching CSCI E-11, Frontiers in Computer Science at Harvard Extension
* [http://www.forensicswiki.org/wiki/Category:Digital_Forensics_XML Digital Forensics XML].
* [http://www.forensicswiki.org/ The Forensics Wiki]. I founded this wiki, monitor it, and contribute.


Writing:
; Academic Research
* I regularly contribute to [http://www.technologyreview.com/ MIT's Technology Review].
* Article on https://digitalcorpora.org/ for a forensics journal.
* I am an associate editor at [http://www.journals.elsevier.com/computers-and-security/ Computers & Security]


You may also be interested in my [[Future Projects]], especially if you are looking for ideas.
You may also be interested in my [[Future Projects]]
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==Completed Projects==  
==Completed projects==  
* [http://www.simson.net/ref/NeXT/nextworld NeXTWORLD Magazine] (1991--1993)  
* bulk_extractor 2.0
* [http://www.simson.net/ref/sbook5 SBook5], a free-format address book for MacOS. (1991--2006)  
* tcpflow 2.0
* [http://www.simson.net/ref/1995/10spring/ 10 Spring Street], Vineyard Haven, Virtual Tour (1995)  
* ''Law and Policy for the Quantum Age'', Hoofnagle & Garfinkel, (Cambridge University Press, 2021)
* [http://www.simson.net/ref/2001/agenda/ Agenda], an early conference scheduling app for PalmOS. (2001)  
* [https://github.com/simsong/tcpflow tcpflow], a TCP/IP session reassembler (2006--2014)
* [http://www.simson.net/clips/academic/2003.DGO.GarfinkelCrypto.pdf Stream], an opportunistic encryption proxy. (2003)
* [https://github.com/simsong/bulk_extractor bulk_extractor], a high-speed feature extractor (2006--2014)
* [http://www.simson.net/notepaper Print your own notepaper]  (2003, but it still works!)
* [https://forensics.wiki/tags/#digital-forensics-xml Digital Forensics XML] (2005--2012)
* [http://www.mediawiki.org/wiki/Extension:Bibtex Updated MediaWiki BibText Extension] (2007)
* [https://forensics.wiki/ The Forensics Wiki], founder and maintainer (2005--2014)
* [https://www.simson.net/ref/sbook5 SBook5], a free-format address book for MacOS. (1991--2006)  
* [https://forensics.wiki/aff/ AFF], The Advanced Forensic Format (for storing digital evidence)
* [https://www.simson.net/ref/2001/agenda/ Agenda], an early conference scheduling app for PalmOS. (2001)  
* [https://www.simson.net/notepaper Print your own notepaper]  (2003, updated in 2020!)
* [https://www.mediawiki.org/wiki/Extension:Bibtex Updated MediaWiki BibText Extension] (2007)
* [https://www.simson.net/ref/NeXT/nextworld NeXTWORLD Magazine] (1991--1993)
* [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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==Useful Resources==  
==Resources For Students==  
* [[Current Toolset]] -- The tools that I use in my research  
* [[Current Toolset]] -- The tools that I use in my research  
* [[Open Source Computer Science Books]] -- A good list
* [[Open Source Computer Science Books]] -- A good list
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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]
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==Where to find me online==  
==Where to find Simson Garfinkel online==  
* [http://www.technologyreview.com/search.aspx?s=simson+garfinkel Articles in Technology Review]
* [https://twitter.com/xchatty @xchatty] on Twitter
* [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]]
* <html><a rel="me" href="https://newsie.social/@xchatty">@xchatty@newsie.social on Mastodon</a> </html>
* [http://www.informatik.uni-trier.de/~ley/db/indices/a-tree/g/Garfinkel:Simson_L=.html DBLP Profile]
* [https://github.com/simsong simsong] on GitHub
* [http://www.linkedin.com/pub/dir/?last=Garfinkel&first=Simson LinkedIn Profile]  
* [https://www.technologyreview.com/search.aspx?s=simson+garfinkel Articles in Technology Review]
 
* [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]]
* [http://www.citeulike.org/search/all?q=simson+garfinkel Citeulike Profile]  
* [https://www.informatik.uni-trier.de/~ley/db/indices/a-tree/g/Garfinkel:Simson_L=.html DBLP Profile]
* [http://www.forensicswiki.org/wiki/User:Simsong ForensicsWiki User Page]  
* [https://www.linkedin.com/pub/dir/?last=Garfinkel&first=Simson LinkedIn Profile]  
* [http://en.wikipedia.org/wiki/Simson_Garfinkel Wikipedia Article on Simson Garfinkel]  
* [https://www.scopus.com/authid/detail.uri?authorId=36867821700 Scopus]
* [http://www.amazon.com/gp/richpub/listmania/byauthor/A1GDABXA5Z7BLQ Amazon.com Listmania! Lists]
* [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://scholar.google.com/citations?user=87fGQ0AAAAAJ&hl=en Google Scholar]
* [https://muckrack.com/simsong Muckrack]
* [https://en.wikipedia.org/wiki/Simson_Garfinkel Wikipedia Article on Simson Garfinkel]  
* [https://www.amazon.com/gp/richpub/listmania/byauthor/A1GDABXA5Z7BLQ Amazon.com Listmania! Lists]
* [https://orcid.org/ ORCID]: https://orcid.org/0000-0003-1294-2831
* [https://www.mendeley.com/profiles/simson-garfinkel/ Mendeley]
* BibTeX: [http://simson.net/ref/bibtex/garfinkel.bib Garfinkel Academic] [http://simson.net/ref/bibtex/garfinkel_cso.bib CSO Magazine] [http://simson.net/ref/bibtex/garfinkel_globe.bib Boston Globe] [http://simson.net/ref/bibtex/garfinkel_nextworld.bib NeXTWORLD] [http://simson.net/ref/bibtex/garfinkel_tr.bib Technology Review] [http://simson.net/ref/bibtex/garfinkel_other.bib Other]
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<hr>
<hr>


==Other sites of interest==
* http://ex.nitroba.org --- All that's left of Deus Ex Machina Software now that we sold the ex.com domain.
* http://dmr.nitroba.org --- Donald M. Rosenberg''s online site (his papers are at the Michigan State University Archives).
* http://realworlddocs.com --- My father''s newly published book on document drafting.
* http://forensicwiki.org --- Wiki for computer forensics
   
   
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Revision as of 04:40, 26 June 2025

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 Notable publications

Academic:

  1. Clark, David. D, Simson Garfinkel, and KC Claffy, Differential Privacy, Firm-Level Data, and the Binomial Pathology, IEEE Security and Privacy, January 2025.
  2. Garfinkel, Simson. 2024. “Complete Delete: In Practice, Clicking ‘Delete’ Rarely Deletes. Should It?” MIT Case Studies in Social and Ethical Responsibilities of Computing, September. https://doi.org/10.21428/2c646de5.26e95ae4.
  3. Garfinkel, Simson. "Comment to Mulalidhar and Domingo-Ferrer (2023) – Legacy Statistical Disclosure Limitation Techniques Were Not An Option for the 2020 US Census of Population And Housing", Journal of Official Statistics, vol.39, no.3, 2023, pp.399-410. https://doi.org/10.2478/jos-2023-0018
  4. Garfinkel, Simson. Differential Privacy and the 2020 Census, MIT Schwarzman College of Computing Case Studies in Social and Ethical Responsibilities of Computing, Winter 2022.
  5. Bowen, Claire McKay and Simson Garfinkel, The Philosophy of Differential Privacy, AMS Notices, November 2021.

History of Computing, Technology and MIT:

  1. Garfinkel, S. “M.I.T., rah, rah, rah. Technology!”, April 22, 2025
  2. Garfinkel, S. MIT prepares for nuclear attack, February 25, 2025
  3. Garfinkel, S. MIT’s (mostly) secret society, December 23, 2024
  4. Garfinkel, S. This is MIT and yes, we have bananas, August 27, 2024
  5. Garfinkel, S. Editor of The Tech becomes president of MIT, Technology Review, June 25, 2024


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