Active Matrix Rooms

Active Cybersecurity Matrix Rooms

Find 394 active cybersecurity Matrix rooms and spaces. Matrix room search list — sorted by real-time message velocity. Updated live. We only count messages to measure activity — message content is never read, stored, or indexed.

394 active rooms · sorted by message count · updated live · content never stored

#1

CVE Feeds

🛡️ Live feed van nieuwe CVE-kwetsbaarheden

35 msg/hr 42 members mtux.nl
#2

Free Software Movement

Libre Software, free file formats, open standards/protocols. See also: #libregaming-matchmaking:tchncs.de https://matrixrooms.info | Free Software (popularly marketed as Open Source, OSS, FOSS, or FL

3.0 msg/hr 658 members matrix.org
#3

Linux Security Feeds

Not affiliated with any distribution or group. Followed feeds: https://usn.ubuntu.com/usn/atom.xml https://www.debian.org/security/dsa https://bodhi.fedoraproject.org/rss/updates/?type=security&status

1.3 msg/hr 20 members fedora.im
#5

devlug-bot

IT Security Feeds: https://forum.opnsense.org/index.php?PHPSESSID=02aghbesc7c4embfb9d2qrr9hq&action=.xml;type=rss;board=11.0 https://matrix.org/blog/feed https://my.proxmox.com/en/announcements/rss ht

0.19 msg/hr 62 members tchncs.de
#6

[PG] Main

Privacy Guides is your central privacy and security resource to protect yourself online • Have a question? Ask on our forum: https://discuss.privacyguides.net • https://www.privacyguides.org • Space:

0.08 msg/hr 2,994 members tchncs.de
#8

#!

Security. Privacy. Decentralization. Digital Sovereignty. Weekly hangout Thursday at 19:00 PST: https://meet.element.io/hashbang (Friday 03:00 UTC / 05:00 CEST)

0.08 msg/hr 122 members matrix.org
#9

Linux

🇺🇦🇪🇺 | Talk about the GNU/HURD/Linux operating system and related stuff | be sensible, have nice discussions :) | oh, and https://dontasktoask.com | try not to become a help vampire, we have banhammer

0.08 msg/hr 1,523 members envs.net
#10

Cybersecurity-General

Part of the Cybersec matrix.org community (#cyber-space:matrix.org) The room needs urgent attention? @ all the mods! RULES: https://cybersec-rules.neocities.org

0.06 msg/hr 666 members envs.net
#11

Hack Liberty Community

We are a group of cypherpunks, privacy advocates, engineers, and philosophers dedicated to the pursuit of truth, liberty, and knowledge for all. We believe technology is a tool for liberation, not ens

0 msg/hr 26,106 members envs.net
#12

Anonymity Privacy and Security

This is where we discuss ways to protect your online identity and maintain privacy. Share experiences, learn strategies, and explore latest developments in online security. Join us and let's work towa

0 msg/hr 25,593 members envs.net
#13

Cypherpunk Cryptopia

Welcome to the Cypherpunk Cryptopia, where privacy, security, and freedom take center stage. Join us as we discuss cryptography, decentralization, and online anonymity, working towards reshaping the d

0 msg/hr 23,698 members tchncs.de
#14

Radios and Wireless Hacking

Step into a world of frequencies and signals where experts and enthusiasts meet. Explore the intricate art of hacking wireless systems, discover new techniques, and share your knowledge with like-mind

0 msg/hr 22,582 members tchncs.de
#15

RSS - Hack Liberty News

Feed List: https://paste.hackliberty.org/?99738ed5ca137027#4gipqVGWpsjPKUVhUV28txtwEmksb9neUsztNK3LxA6a | Topics: agorism, agorist, agorist philosophy, alternative currencies, anarchism, anarcho-capit

0 msg/hr 22,559 members tchncs.de
#17

Privacy Guides

Privacy Guides is your central privacy and security resource to protect yourself online • https://www.privacyguides.org • Rules: https://www.privacyguides.org/coc

0 msg/hr 4,707 members tchncs.de
#19

Nim Security

A channel for all offensive/defensive security projects in Nim. Bridged to the nim discord channel #security

0 msg/hr 3,630 members matrix.org
#21

RSS - Dark Web News

Stay up to date with the latest Dark Web news through our fast polling RSS feed, delivering real-time updates on illicit activities, emerging cyber threats, and technological advancements within the h

0 msg/hr 2,523 members tchncs.de
#22

BlackArch

Official BlackArch Linux Channel | Help, Support, Hacking, Socializing, Trolling (only me) | DM / highlight members without valid reason = BAN | https://blackarch.org/faq.html | Tools Count: 2850

0 msg/hr 2,474 members matrix.org
#23

Hacking

0 msg/hr 2,357 members matrix.org
#25

spring-security

Welcome. Ask away! Unless otherwise specified we assume you're using the latest 5.x version of Spring Security

0 msg/hr 2,166 members matrix.org
#27

#sysadmin | Systems Administration

#ops:matrix.org Provisioning, orchestration, configuration, networking, security, maintenance, firefighting, and all things system administration

0 msg/hr 2,077 members matrix.org
#28

Nix Nerds

The Jupiter Broadcasting NixOS Channel: chat, support, community. Get your nixcon 2025 ticket! https://2025.nixcon.org/ 5-7 September 2025 @Switzerland Check if you are eligible for a *free* ticket:

0 msg/hr 1,922 members jupiterbroadcasting.com
#30

Secure Messaging Apps

Discussion on secure messaging apps like: Signal, Wire, Telegram, Threema, Wickr etc. ... Security related.

0 msg/hr 1,648 members matrix.org
#31

Sicurezza Informatica

(questo gruppo è bridgiato da telegram, su matrix potreste vedere alcuni comandi fatti a vuoto, che sono in realtà fatti sul gruppo su telegram https://t.me/infosecita)

0 msg/hr 1,591 members matrix.org
#33

Win96 Malware

Bridge to Windows96 #win96-malware

0 msg/hr 1,340 members matrix.org
#35

OpenSSL

LATEST RELEASES: 3.0-alpha13 (11-MAR-2021), 1.1.1k (25-MAR-2021) | SECURITY ADVISORY: https://www.openssl.org/news/secadv/20210325.txt

0 msg/hr 1,268 members matrix.org
#37

[email protected]

Kuketz-Blog: IT-Sicherheit | Datenschutz | Hacking - Weitere Infos: https://www.kuketz-blog.de/chat/

0 msg/hr 1,008 members matrix.org
#38

Nix Package Manager development

For people hacking on Nix: https://github.com/NixOS/nix Nix maintainers can be reached here.

0 msg/hr 1,000 members nixos.org
#39

Opsec

Privacy and Security - Rules of opsec: No misinformation or trolling, No Excessive language, we're all adults but don't go overboard, No spam or malicious motives, Keep off topic discussions to

0 msg/hr 940 members librem.one
#41

Cybercrime

anonymity, carding, malware, bank logs, scaming, blackmailing

0 msg/hr 890 members matrix.org
#43

RUSSIANS HACKERS

hacker, cracker, coder, programmer, carding, virus control, infection, the dark side, those same Russians hackers Cyber security community https://t.me/russianshackers

0 msg/hr 862 members matrix.org
#44

Privacy Security Anonymity

Everything about Privacy, Security and Anonymity. Providing a consolidated view of all the main PSA community rooms and also some related Spaces and Rooms on Matrix in a single view.

0 msg/hr 838 members matrix.org
#45

Liberation Technology

Free software, open source, DIY, hacking, surveillance self-defence, digital co-ops. Code of conduct: #matrixunited-space:pixie.town.

0 msg/hr 836 members ponies.im
#46

NixOS Security Triage

Coordination and triage of security issues in nixpkgs | Discussions in #security-discuss:nixos.org | Open PRs: https://github.com/NixOS/nixpkgs/pulls?q=is%3Apr+is%3Aopen+sort%3Aupdated-desc+label%3A%2

0 msg/hr 739 members nixos.org
#47

Haskell in Nixpkgs/NixOS

For discussions and questions about Haskell with Nix, cabal2nix and haskellPackages in nixpkgs | Current Docs: https://nixos.org/manual/nixpkgs/unstable/#haskell | Current PR: https://github.com/nixos

0 msg/hr 722 members nixos.org
#48

Mozilla Security

security conversations related to the Mozilla community and products. [Please don't disclose vulnerabilities here! File a security bug at bugzilla.mozilla.org or send mail to [email protected]]

0 msg/hr 683 members mozilla.org
#49

Hacking

Discuss Various Types of Ethical Hacking

0 msg/hr 582 members matrix.org
#50

NixOS Security Discussions

Discussions around Security | Triaging happens in #security:nixos.org

0 msg/hr 580 members nixos.org
#53

PrivSec.dev — Practical Privacy & Security

Technical discussions only. No politics (except strictly related to privacy and security), no conspiracy theories, no "backdoored because proprietary". Any claim of malware/spyware must be backed up w

0 msg/hr 491 members arcticfoxes.net
#54

Self-hosting | Security | Sysadmin | Homelab | Programming

Welcome to our chat channel dedicated to all things related to self-hosting, cyber security, system administration, and homelab discussions and support! Whether you're an experienced sysadmin, a cyber

0 msg/hr 462 members mozilla.org
#55

PSA Community

Privacy Security Anonymity Community, Chatrooms Rules: https://psa.anonymousplanet.org/

0 msg/hr 433 members tchncs.de
#56

Nintendo Switch

See it here first on #NintendoSwitch! A multicultural community of friends, fun & games. Get your daily dose of updates, news, reviews and experiences from Switchians around the globe! Join us for

0 msg/hr 385 members matrix.org
#57

Science of Matrix Reading Group

Exchange of and on scientific papers, books and related resources on all things Matrix. See room pin and https://github.com/jryans/awesome-matrix#research for the current paper list. Topics range from

0 msg/hr 379 members dsn.tm.kit.edu
#58

Hackers Place

Discuss any topic here. Discuss stuff ranging from hacking, Anonymity to anything except religion. Lets Learn and Evolve together.

0 msg/hr 369 members matrix.org
#59

Krita

This is a channel for developers and users of Krita, not a pro support chat room. If you leave, we cannot reply. Frequently asked questions: https://docs.krita.org/en/KritaFAQ.html | You can also ask

0 msg/hr 365 members calitabby.net
#60

hacking

This is our world now... the world of the electron and the switch, the beauty of the baud.

0 msg/hr 356 members librem.one
#61

Netflix/security_monkey

Security Monkey is EOL in 2020 - Please consider migrating to another tool

0 msg/hr 347 members gitter.im
#64

Crypto Circular Economies

Join us in exploring innovative ways to promote sustainable economic models through cryptocurrencies, fostering circular economies that empower communities and individuals by facilitating trade outsid

0 msg/hr 270 members tchncs.de
#65

#hackerspaces

Moin @ https://hackerspaces.org ⚒ Meetups (about the wiki, transnational collaboration...) happen at CCC, and online — put your proposals to https://pad.land/hso-agenda ⚒ Need Help? https://wiki.hacke

0 msg/hr 263 members libera.chat
#66

RSS - Security News

Feed List: https://paste.hackliberty.org/?c97a2f6df032278a#4FVsQDRXqgWiFzZJzWLdpKna1ZEktREWiqjHsNhacBYd | Topics: access control news, application security news, biometric security news, bug bounty n

0 msg/hr 260 members envs.net
#67

Android Privacy & Security

Space - #android-priv-sec:matrix.org | Posts, wiki & files - https://hub.libranet.de/channel/and-priv-sec post federate over activitypub & zot - see the channel for details

0 msg/hr 255 members matrix.org
#68

Fedora Security Team

Fedora Security Team |​ Discourse: https://discussion.fedoraproject.org/tag/security-sig

0 msg/hr 254 members matrix.org
#69

RSS - Cypherpunk News

RSS Feeds: https://paste.hackliberty.org/?ad5e355fcf2dfb05#GQAdjeruHKvmDDhnwj5Z8gNtBfmjBVA8wkWDfYgDLpUh | Topics: agorism, agorist, agorist philosophy, alternative currencies, anarchism, anarcho-capit

0 msg/hr 253 members envs.net
#70

hillhacks

Hillhacks - Hacking in the hills. | See https://hillhacks.in/

0 msg/hr 239 members matrix.org
#73

TechWh0re

Spreading privacy and security. (pools closed edition)

0 msg/hr 232 members midov.pl
#74

SYSSEC [ LOBBY ]

SPACE: #system-security:matrix.org

0 msg/hr 230 members matrix.org
#75

OLGA - Open Chat Room

Welcome to the Biohacking-/ DIYbio Community in Graz https://realraum.at/wiki/doku.php?id=olga:olga

0 msg/hr 226 members matrix.org
#76

[PG] Services

Discuss or report a problem with any of our hosted services (forum, gitea, etc.) - Report an issue: https://discuss.privacyguides.org/c/services/2 - Report a security vulnerability: @jonah:aragon.sh

0 msg/hr 221 members neat.chat
#77

Security

Making the interwebs safer by good security practices - DM admins to request posting permissions

0 msg/hr 217 members beast.chat
#78

Infosec

A room for infosec/security folks

0 msg/hr 215 members librem.one
#79

Livehacking

The Joy of Coding airs most Wednesdays at 1PM ET https://mikeconley.ca/joc/

0 msg/hr 213 members mozilla.org
#80

Security

0 msg/hr 204 members fosdem.org
#81

AffRip

Affiliate marketing, hacking & cybersecurity, advertising, programming, technology, open source, search engine optimization (SEO)

0 msg/hr 197 members matrix.org
#83

dpgaspar/Flask-AppBuilder

Simple and rapid application development framework, built on top of Flask. includes detailed security, auto CRUD generation for your models, google charts and much more. Demo (login with guest/welcome

0 msg/hr 186 members gitter.im
#84

Lemmy Incidents

For Lemmy-wide security incidents which impact multiple admins.

0 msg/hr 183 members discuss.online
#86

2600

https://www.2600glasgow.com - Hacker/computer security/infosec monthly meetings from 6pm first Friday of the month - The Gamer Club, 153 Bath Lane, Glasgow | https://wiki.glasgow.social/infosec

0 msg/hr 175 members glasgow.social
#87

Infosec

I can haz root ?

0 msg/hr 172 members matrix.fuz.re
#88

PrivSec.dev Space

A practical approach to Privacy and Security. https://privsec.dev

0 msg/hr 171 members arcticfoxes.net

Similar Topics

ProgrammingLinuxGamingPythonJavaScriptDevOpsPrivacyMatrixAI & Machine LearningFood & CookingSportsMusic