The Dark Tangent at the Grand Canyon. What a view.
To contact the Dark Tangent, email him at dtangent at defcon.org
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DEF CON® Hacking Conference - The Dark Tangent
DEF CON Hacking Conference
Dark Tangent
Last Updated 2025 Feb 01 - defcon.social account added
Below is an "official" list of where I have accounts. Some people have already name-squatted on "Dark Tangent" so sometimes I also use "The Dark Tangent". Also some of the anti-sec followers have tried to impersonate me on different s ocial sites. If in doubt about one of my accounts, check here.
Due to the Twitter meldown of November 2022 DEF CON has started to operate our own Mastodon instance https://defcon.social/ and my account there is https://defcon.social/@thedarktangent
Below is an "official" list of where I have accounts. Some people have already name-squatted on "Dark Tangent" so sometimes I also use "The Dark Tangent". Also some of the anti-sec followers have tried to impersonate me on different social sites. If in doubt about one of my accounts, check here.
I post my articles and writings on my blog [https://forum.defcon.org/blog.php?u=6] and am trying to do more with it. It isn't the best way to distribute my writing, but this acts as a repository.
I use LinkedIn [https://www.linkedin.com/in/jeffmoss] for keeping a basic online resume. I don't link to everyone who asks, I try to make sure I have met in person, or know of you through friends before I accept an invite.
Facebook public profile [https://www.facebook.com/pages/Jeff-Moss/90385776818] as well as very rarely using my personal one [https://www.facebook.com/jeffmoss]. NOTE: I haven't used Facebook in a couple years, and try and stay away from it.
For day to day random I use Twitter [https://twitter.com/thedarktangent] and when talking about things related to DEF CON I use the hash tag #defcon, useful for when you do twitter searches to see what people are saying about DEF CON.
Want to send me email? Use either S/MIME or PGP/GPG
Here is my dtangent@defcon.org S/MIME key updated for 2020-2022:>
Thumbprint: d98940801739990bb09dbf8ce8ff7561c016a5c0
Serial Number: 08e5ee8cda6f24a712612a46c31a95b2
Key ID: e7022380004fd8d7bc940bd93f743949323c8a79
Expires: Thursday, February, 2023 4:00:00 AM
Direct Download: The Dark Tangent (2048 RSA 2020-2022) SMIME PUBLIC.cer
Here is my dtangent@defcon.org GPG key (2025-2027):
(NEW)
The Dark Tangent
EdDSA ed25519, Expires 1/1/2028
Key ID: 1BC9 58D1 4A4B 1B06
Fingerprint: 7A22AAB601B5748D189E8E4E1BC958D14A4B1B06
Direct Download: The Dark Tangent PGP PUBLIC.asc
All of my email is assumed to be sniffed, so encrypt if it is something you don't want the world knowing. The PGP key is also available on major key servers, with pgp.mit.edu preferred.
The Dark Tangent