From schoen@eff.org Fri Jul 6 02:36:27 2018 From: Seth David Schoen To: cypherpunks-legacy@lists.cpunks.org Subject: Re: What are email risks? Date: Fri, 06 Jul 2018 02:36:27 +0000 Message-ID: <172289267452.3881296.11755136648920369360.generated@mail.pglaf.org> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="===============3917281097460771314==" --===============3917281097460771314== Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Bjarni Rznar Einarsson writes: > Combine that sort of stuff with analysis of writing style, vocabulary, etc. > and you might be able to correlate two e-mails as originating from the same > person with some degree of accuracy. >=20 > I'm not aware of any research into the trackability of such things, as > e-mail generally isn't considered anonymous anyway, but a lot of the work > that has gone into fighting spam would actually have implications here as > well. Hi Bjarni, There is a stylometry item in the anonbib where they do statistical analysis of features of writing style: http://www.usenix.org/publications/library/proceedings/sec2000/full_papers/ra= o/rao.pdf I bet these techniques have gotten more powerful as the field of machine learning has developed, although I don't know if there are more recent studies of what this means for anonymity. --=20 Seth Schoen Senior Staff Technologist schoen(a)eff.org Electronic Frontier Foundation https://www.eff.org/ 454 Shotwell Street, San Francisco, CA 94110 +1 415 436 9333 x107 *********************************************************************** To unsubscribe, send an e-mail to majordomo(a)torproject.org with unsubscribe or-talk in the body. http://archives.seul.org/or/talk/ ----- End forwarded message ----- --=20 Eugen* Leitl leitl http://leitl.org ______________________________________________________________ ICBM: 48.07100, 11.36820 http://www.ativel.com http://postbiota.org 8B29F6BE: 099D 78BA 2FD3 B014 B08A 7779 75B0 2443 8B29 F6BE --===============3917281097460771314==--