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Jeff Moss

@thedarktangent.defcon.social.ap.brid.gy
1.2K followers 2 following 353 posts

Founder of DEF CON & Black Hat. Maintainer of infocon.org. Member of the UK Gov Cybersecurity Advisory Board & The Council on Foreign Relations. Working to […] 🌉 bridged from ⁂ defcon.social/@thedarktangent, follow @ap.brid.gy to interact

PostsRepliesMedia
Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 10/10/2026
Hundreds of people carefully beeping their pass so as to not disturb a cat sleeping on a metro gate in Istanbul. #Caturday
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 26/09/2026
So many #volcanoes erupting around #Singapore they have their own weather map:
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 22/09/2026
They had a series of workspaces for different crafts set up to show what a typical space looks like:
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 22/09/2026
More pictures
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 22/09/2026
I’m at the HOMO FABER exhibit in Venice that is celebrating craftsmanship and artistic expression, and it is really impressive and moving. Just want to share a few pictures:
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 09/08/2026
Final post: Las Vegas from my hotel window Sunday morning, 261 nodes: #LasVegas #Meshtastic #Meshcore #DefCon
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 06/08/2026
Here is the map for Thursday morning from my hotel room on the strip, 203 nodes: #LasVegas #Meshtastic #Meshcore #DefCon
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 05/08/2026
Here is Wednesday morning: #LasVegas #Meshtastic #Meshcore #DefCon
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 04/08/2026
Here is the map from Tuesday August 4 as seen from hotel, set to 3 hops. #LasVegas #Meshtastic #Meshcore #DefCon
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 03/08/2026
The #LasVegas #Meshtastic mesh is starting to get its annual influx of users. I’m sure #Meshcore is having the same experience. #DefCon
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 25/07/2026
Great new feature in the latest Signal app. If you enable disappearing messages the meta data of calls and missed calls gets deleted as well. I know this was a long standing goal for them, but the engineering behind it took time. #Privacy @signalapp
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 16/07/2026
@jef
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 13/07/2026
It did not appreciate the floor calibration #DefCon
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 09/07/2026
I’d like to thank @noid for unearthing this ancient picture of me at a hacker space in LA from like 1994 or something:
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 07/07/2026
I was hanging out at a local #Seattle bar I haven’t been to in years yesterday watching USA lose their soccer match. I was served by Antifa and read this great announcement on the wall. Seattle keeping it real.
Tee shirt Antifascist
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 30/06/2026
Just conformal coating my new network cards before deployment.. instead of painting D&D or WH40k figures I’m doing circuitry. The desk mounted black light makes it so much easier.
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 20/06/2026
How old skool is my #YubiKey?
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 31/05/2026
A glimps behind the curtain as the @InfoCon Security BSides @SecurityBSidesGlobal archive collection is getting 41 conference updates. #InfoSec #InfoCon
Screen capture of Security BSides conferences that are being updated on infocon.org
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 12/05/2026
A much bigger robot “mech” from China:
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 28/04/2026
Under the giant #DefCon cube!
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 16/04/2026
This image from Reddit seems to pretty much sum up the situation: #USPol
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 11/04/2026
With South East Asia getting around 80% oil from the Straight of Hormuz, and #Singapore around 65%, it seems prescient that back in February they had a campaign around awareness if the power goes out:
Singapore public messaging sign: “

When the lights go out, how do we stay on?
Be ready before disruption strikes.
Follow the ABCs of what to do during a prolonged power outage:
ASSESS
your situation (check for safety and extent of outage)
BE CAREFUL
(switch off all equipment/ appliances)
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 02/03/2026
RIP FX - You are a legend
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 19/02/2026
I saw this video on Reddit, I’m curious how it calculates “cups” and is cups a good proxy for productivity? Obviously the person running the espresso machine will have the most. It reminds me of the (inaccurate) adage “If you can’t measure it, it doesn’t exist”
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 16/02/2026
Just to conclude, Infinished the evening with a giant pull tab beer: #CNY #LNY #Singapore
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 16/02/2026
Can you imagine having these just sitting in inventory?
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 13/02/2026
Goodbye South Africa, you were beautiful. The night sky in Cape Town was amazing. I don’t see stars like that in Singapore.
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 04/02/2026
@defcon201 @MaggieMayhem It’s clear he made plans to attend, but as far as we can tell he never did.
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 19/01/2026
@adamshostack I saw a Star Wars robotic library at the Singapore airport and thought of you:
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 12/01/2026
From #Singapore Reddit community - transportation etiquette is serious. Can or Not?!
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 02/01/2026
Kung Fu #Robots too close to each other. It kinda feels like LLMs getting better over time but won’t be there for a long time.
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 01/01/2026
Super creepy man / #robot interaction on the opposite end of the spectrum, also found on Reddit:
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 28/12/2025
Seen on Reddit, “This is just a metaphor for modern technology” - motion capture gone wrong.
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 10/11/2025
www.reddit.com/r/mathmemes/s/Ec6Azc… #math
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 07/11/2025
Cool $10k bounty: bounties.fulu.org/bounties/ge-refri…
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 27/10/2025
You know Halloween is here when the Spooktopus is on the menu.
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 02/10/2025
[Testing Tor .onion upload] @defcon @Defcon_Music
Person holding up to fingers in front of the DEF CON logo and the words "Sick beats"
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 15/08/2025
You can really see the surge of new users right around #DefCon, then as the conference ends so do the sign ups. Let's see how many stick around Mastodon - a great complement to existing social media.
709 +139% New Users
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 12/08/2025
Las Vegas keeping the pool warnings real: #DefCon
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 10/08/2025
OK that’s it, time to delete this app.
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 08/08/2025
This year’s #BlackHat limited edition Lego like kit. Each year they have a different theme, last year was the NOC, and this year is the Main Stage. There I am with glasses, and @jennifer is heading up to talk. ❤️
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 02/08/2025
When I worked as a SGE for the White House ONCD we had to attend mandatory Hatch Act training. I just found my “Social Media Quick Guide” for what is permissible. Nowdays I bet it is quite different.
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 29/07/2025
“There’s only one man that can get us the Epstein files” www.reddit.com/r/MrRobot/s/LJdjD91H…
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 06/06/2025
It sucks, but the CDC vaccination app is now updated with politically driven COVID information.
App Store update saying CDC COVID vaccination schedule has been updated
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 01/06/2025
Looks like the #Tor Proof of Work (PoW) defenses are working four our #DEFCON and #InfoCon .onion sites! "[warn] Verification of EquiX solution in PoW failed."
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 13/05/2025
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 13/05/2025
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 17/04/2025
I was given this #CISA rubix cube by then director Easterly and it was all orderly and nice. Unfortunately this is the approximate current situation:
Scrambled up CISA logo on a rubix cube
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 06/04/2025
Old Skool:
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Jeff Moss @thedarktangent.defcon.social.ap.brid.gy · 07/03/2025
For example:
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