Languages English (en)
Users 20,306
Active users (last month) 2,030
Active users (last six months) 5,385
Characters per post (max) 4,000
Known instances 45,317
First sight Nov 16, 2022 UTC
Last successful check Jun 1, 2026 UTC
Noxious No
New No
Software Mastodon 4.5.10
Registrations Open
Meta’s Threads moderation Threads is neither suspended nor limited, according to this instance’s list of moderated instances.
Short description
DEFCON.social = The intersection of technology and society, a community for artists, hackers, policy, academics, researchers, infosec, activists & cyberpunks
Instance rules
- No toxic behavior
- Don't break laws here
- Pornography, Nudity, Gore, illegal content, spam & commercial advertising are forbidden
- No impersonation or undeclared automated accounts
- You must be at least 13 years old
Instances certainly moderating this instance [?]

Date of creation Nov 14, 2022 UTC
Display name support@defcon.social
Bio
The official Support account for DEFCON.social
Statistics
Last 12 weeks activity (totals: 34010 statuses, 13460 logins, 1258 registrations)
S: 2781 L: 1174 R: 101 | S: 3858 L: 1328 R: 238 | S: 4489 L: 1328 R: 179 | S: 3125 L: 1181 R: 88 | S: 2936 L: 1186 R: 69 | S: 2896 L: 1224 R: 133 | S: 2676 L: 1206 R: 123 | S: 2625 L: 1199 R: 89 | S: 2820 L: 1189 R: 83 | S: 2724 L: 1154 R: 75 | S: 2964 L: 1155 R: 78 | S: 116 L: 136 R: 2 |
Last checks (green: OK; red: KO)
| 5/25/26, 1:09:24 AM UTC | 5/26/26, 2:11:55 AM UTC | 5/27/26, 1:32:06 AM UTC | 5/28/26, 2:16:58 AM UTC | 5/29/26, 1:08:36 AM UTC | 5/30/26, 1:36:29 AM UTC | 5/31/26, 2:06:00 AM UTC | 6/1/26, 2:09:29 AM UTC |
Succesful checks: 1218/1225 (99.43%)