Catalyst Security @catalystsecurity.com Excellence in Research
LaurieWired @lauriewired.bsky.social researcher @google; serial complexity unpacker
ex @ msft & aerospace
FluxFingers @fluxfingers.net Participating in Capture the Flag security competitions representing @ruhr-uni-bochum.de since 2007. Also, organizers of annual Hack.lu CTF.
Web: https://FluxFingers.net
Also on Twitter and https://infosec.exchange/@fluxfingers
Advanced Fuzzing League @aflplusplus.bsky.social We want to make fuzzing better and better
Follow for updates on AFL++ & LibAFL
Matthias Kaiser @matthiaskaiser.bsky.social Vulnerability Researcher. 0xACED. Ex-Apple. Posts are my own.
Trenchant @trenchantarc.bsky.social Trenchant. An L3Harris company.
Paolo Stagno @voidsec.bsky.social Director of Research at Crowdfense
Windows Vulnerability Researcher and Exploit Developer, ex-Exodus Intelligence
voidsec.com
the grugq @thegrugq.bsky.social 
@halvarflake.bsky.social @halvarflake.bsky.social 
Andrey Konovalov @andreyknvl.bsky.social Security engineer at http://xairy.io. Focusing on the Linux kernel. Maintaining @linkersec.bsky.social. Trainings at http://xairy.io/trainings.
Angelos T. Kalaitzidis @0xshad3.bsky.social RE / VR & Intense Coffee Consumption. He/Him. Opinions are my own. Curr: iOS . Past: Hypervisors.
Lorenzo Franceschi-Bicchierai @lorenzofb.bsky.social Real-time historian of the late cyber capitalist era @TechCrunch, writing about the intersection of hackers, human rights, and spies.
Also writing a book about Hacking Team and the history of government spyware.
☎️ Signal: +1 917 257 1382
@epsilon-sec.com @epsilon-sec.com twitter : @epsilon_sec
web site : epsilon-sec.com
Web Engines Hackfest @webengineshackfest.org Dates: 15-17 June 2026
Venue: Palexco (A Coruña, Galicia, Spain)
Host & Organizer: @igalia.com
Website: https://webengineshackfest.org/
Wiki: https://github.com/Igalia/webengineshackfest/wiki
Aleksei Udovenko @affine.group Researcher in Cryptography (symmetric-key, white-box, post-quantum, etc.)
https://affine.group
@dfsec-com.bsky.social @dfsec-com.bsky.social 
BitK @handle.invalid 
tmp0ut @tmpout.sh ELF Research Group
Phrack Zine @phrack.org since 1985
https://phrack.org
David Buchanan @retr0.id reverse engineering, cryptography, exploits, hardware, file formats, and generally giving computers a hard time
Fedi: @retr0id@retr0.id
Macroblog: https://www.da.vidbuchanan.co.uk/blog/
SinSinology @sinsinology.bsky.social Pwn2Own 20{22,23,24,24.5}, i look for 0-Days but i find N-Days & i chase oranges 🍊
https://summoning.team/
Pew @thegrandpew.bsky.social 18 Year Old Websec dude, plays ctf with @Water_Paddler.
Blackhat and Defcon 22 speaker.
Building VR Goggles @dfsec_com
0xTen @0xten.bsky.social android/linux kernel @ Vigilant Labs | ctfs (pwn) w/ CoR + ELT
SuperFashi @superfashi.com Acceleration is a substitute for eternity.
Linux Kernel Security @linkersec.bsky.social Links related to Linux kernel security and exploitation.
Maintained by @andreyknvl.bsky.social and Alexander Popov.
See https://xairy.io/linkersec for mirrors.
Alex Plaskett @alexplaskett.bsky.social Security Researcher | Pwn2Own 2018, 2021, 2022, 2024 | Posts about 0day, OS, mobile and embedded security.
Samuel Groß @saelo.bsky.social Working on Project Zero, Big Sleep, and V8 Security. Personal account.
Carl Smith @rwx.page Security @Google, Personal Account.
OffensiveCon @offensivecon.bsky.social OffensiveCon is a highly technical international security conference focused on offensive security only. Organized by Binary Gecko GmbH.
Hexacon @hexacon.bsky.social Offensive security conference in the heart of Paris. 10-11th October 2025
https://www.hexacon.fr/
Meysam @r00tkitsmm.bsky.social Security Researcher.
Niklas B @niklasb.rce.associates research @ dfsec.com
Mark Dowd @mdowd.bsky.social Internet hacker
cts @gf256.bsky.social Hacker and meme enjoyer