James @gravitysra1nbow.bsky.social Uphold Thucydidian-Clausewitzian-Hegelian-Fukuyamist thought.
https://othermeans.substack.com/
InfoWars @realinfowars.bsky.social This is the real InfoWars, streaming every Thursday at 8 p.m. ET
NY Times Pitchbot @nytpitchbot.bsky.social I have never felt more politically homeless. Parody. Merch: https://tinyurl.com/msjjmwpt
Chris Wade @cmw.bsky.social Connecting dots and untying knots. This is my personal account and my opinions are my own. CTO @ Corellium / Producer
CoolStar @coolstar.bsky.social iOS app & Windows kernel developer. Ex-jailbreaker
from San Francisco Bay Area, CA
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer ⁂ Managing director @ HexArcana ⁂ @DragonSectorCTF founder ⁂ he/him
Paged Out! @pagedout.bsky.social Paged Out! is a free magazine about programming, hacking, security hacking, retro computers, modern computers, electronics, demoscene, and other similar topics. Always accepting submissions of one-page articles.
Luc Tielen @luctielen.bsky.social I talk about functional programming and compilers. Building a high performance Datalog called “eclair” with Haskell and LLVM.
stacksmashing @stacksmashing.bsky.social Security researcher with a focus on hardware & firmware. I occasionally publish stuff on YouTube. Co-founder of
hextree.io. Contact: contact@stacksmashing.net
Travis Goodspeed @travisgoodspeed.bsky.social Author of books and tools for reverse engineering. Studebaker driver, but an awful mechanic. Home chip decapsulation.
Currently writing a new assembler, to be released in February.
Miguel de Icaza @migueldeicaza.bsky.social 🍉Fun Stack Vibing at @xogot.bsky.social
Started Xamarin, Mono, Gnome. Prev: Microsoft/.NET/Xamarin/Mono/VSMac/MAIA http://mastodon.social/@migueldeicaza
Christian Lopez 🦄 @phr0nak.bsky.social (in)Security Leader | Bug Bounty Connoisseur | I know things | Security Researcher at @xbow // Before: @NCCGroupInfosec @Synack @EY_Ireland
DEF CON @defcon.bsky.social The world’s premier hacker conference. Serving the global hacker community since 1993.
Defcon.org
Forum.defcon.org
Defcon.social
Konstantinos (Kosta) Xynos @kxynos.bsky.social PhD. IT Sec. architect and ISO at an Automotive OEM. Computer Security & Forensics Consultant, ex-Educator & Researcher. S/W and H/W hacking. @kxynos@mastodon.social
Twitter:@kxynos
https://kosta.xynos.eu
zh4ck @ DEF CON @zh4ck.bsky.social Evolve or Die!
Head of Vuln Research Lab at CUJO AI
Volunteer at IoTVillage Hackersuli Meetup Hacktivity @zh4ck@infosec.exchange
NetRunner, Shaper
Abhi @qbtau.in >> 19 | Reverse Engineer | Dev |
Michael Krueger @michaelkrueger.bsky.social Head of Offensive Testing and Professional Services @ NowSecure- D @dylib.bsky.social @dylib.bsky.social Kernel/hypervisor engineer @awscloud EC2. Hobby @checkra1n. On Mastodon @ http://mastodon.social/@never_released.
huh. @huh.bsky.social I try to break the rocks we tricked into thinking — [HW] sec/engineering and arm64 shenanigans.
Richard Johnson @richinseattle.bsky.social Fuzzing; Vulnerability Research;
Deep Learning; Reverse Engineering
Training & Publications @ http://fuzzing.io
Hacking the planet since 1995
Undercurrents.io BOFH
I'll stop the world and melt with you
Brendon Tiszka @btiszka.bsky.social Google Project Zero
Daniel Gruss @gruss.cc Aka @lavados #InfoSec University Professor @ #TUGraz. #meltdown, #spectre, #rowhammer, cache attacks, sustainable security. Produced a side channel security sitcom. https://gruss.cc https://x.com/lavados https://infosec.exchange/@lavados
Anthony @darkfloyd1216.bsky.social VXRL/VXCON/Blackhat Asia & USA review board/Browser vulnerability & exploitation
Alex Ionescu @ionescu.bsky.social Windows Internals Author, Developer, Reverse Engineer, Security Researcher, Speaker, Trainer, and most recently Nation State Hacker.
Core OS Platform Developer at Apple, Hyper-V Vendor at Microsoft, Chief Architect at CrowdStrike and now Director at CSE.
Freddy @freddyb.bsky.social manager/security things for Firefox. love my family, my bike and reading books.
You can also find me on Mastodon as @freddy@security.plumbing, which I consider my primary account.
Homepage: https://frederikbraun.de/
@0xjdow.bsky.social @0xjdow.bsky.social Incoherent offsec retweets, hacking @ Scorpion Labs
Adrian Herrera @adrianherrera.bsky.social Security researcher with an interest in formal methods.
B̶u̶i̶l̶d̶i̶n̶g̶ breaking things @ Interrupt Labs |
Teaching @ Australian National University
https://adrian-herrera.com
Jordan Whitehead @jordan9001.bsky.social Vulnerability Research is fun
Antoine Roly @aroly.bsky.social Hacker, Bug Bounty Hunter, Pentester,...
From Namur, BE.
Quarkslab @quarkslab.bsky.social Securing every bit of your data
https://quarkslab.com
Ellis Rosen @ellisjrosen.bsky.social Cartoonist for The New Yorker
Atredis Partners @atredispartners.bsky.social Atredis is a 100% worker-owned team of world-class security researchers and consultants. We do risk-centric, research-driven security testing and consulting. https://atredis.com
jstnkndy @jstnkndy.bsky.social Infosec professional, beverage snob, and fantasy book consumer. Vice President @ Atredis Partners. Forever terrified of Kithicor.
@droner.bsky.social @droner.bsky.social researcher. exploit dev. pdx. hacking @ atredis
https://dronesec.net/
CPG @hexsafy.bsky.social Embedded & ML
Phoronix @phoronix-poster.bsky.social Unofficial account. Automated post via RSS.
Maintained by @danni.id
Carl Smith @rwx.page Security @Google, Personal Account.
Rowan @novafacing.bsky.social fuzzing enjoyer
@novafacing@haunted.computer
Cornelius Aschermann @is-eqv.bsky.social Fuzzing & stuff https://hexgolems.com
434b @434b.bsky.social Vulnerability researcher | Fuzzing | Anything low-level excites me | Admin @ https://0x00sec.org | My tweets are my own | Blog: https://0x434b.dev
Samuel Groß @saelo.bsky.social Working on Project Zero, Big Sleep, and V8 Security. Personal account.
Łukasz @maldr0id.bsky.social Military-grade reverse engineer @ Google, working on Android malware
Got mistaken for a member of Project Zero once.
Everything here is my own opinion
he/him ✨🌈🦄
Michał Kowalczyk @mkow.bsky.social reverse-engineering / low-level security
Dragon Sector CTF vice-captain, Invisible Things Lab
Mastodon: @redford@infosec.exchange
Also known as Redford
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
Andrew Whalley @arw.me An Englishman in San Francisco. Director of Security for Google Chrome.
Nullstring @0x00string.bsky.social Hacker, Recreational Bug User, Exploiteer, Proprietor of Dirt Cheap Hacking Tools
https://infosec.exchange/@0x00string
https://0x00string.com
https://dirtcheaphackingtools.com
Hackaday @hackadayofficial.bsky.social 🔥 Engineering knowledge exchange: http://hackaday.com
☠️ Get featured: tips at hackaday dot com
📒 Learn: http://hackaday.io/u
Phrack Zine @phrack.org since 1985
https://phrack.org
Muirey03 @muirey03.bsky.social I break stuff | iOS Researcher @Cellebrite
pancake @trufae.bsky.social Author of @radareorg, mainly active in the fediverse @pancake@infosec.exchange
Adam Hassan @adamkadaban.com Doing Windows Security @ Microsoft
https://hackback.zip
@nopnopgoose.bsky.social @nopnopgoose.bsky.social 
voydstack @voydstack.re VR @ Synacktiv, low level security enthusiast
https://voydstack.re/
broomd0g @wreckinglabs.org Reverse Engineering, hardware, firmware, and ELF binaries enthusiast. 🇨🇦
Allele Security Intelligence @alleleintel.com Allele Security Intelligence is an independent company specializing in Information Security research. Research and development are fundamental principles that guide our decision-making, enabling us to offer efficient and excellent services to our clients.
Alex Plaskett @alexplaskett.bsky.social Security Researcher | Pwn2Own 2018, 2021, 2022, 2024 | Posts about 0day, OS, mobile and embedded security.
Niklas B @niklasb.rce.associates research @ dfsec.com
Meysam @r00tkitsmm.bsky.social Security Researcher.
Ange @angealbertini.bsky.social Reverse engineer, file formats expert.
Corkami, CPS2Shock, PoC||GTFO, Sha1tered, Magika...
Security engineer @ Google. He/him.
Lukas Arnold @lukasarnld.bsky.social Researching iOS' Cellular Protocol Stack @ SEEMOO
Studying CS @tuda.bsky.social
🌍 https://lukasarnold.de
GrapheneOS @grapheneos.org Open source privacy and security focused mobile OS with Android app compatibility.
https://grapheneos.org/
professional rustacean 🦀🇺🇦🌻😷 @adhsec.bsky.social reverse engineering & vulnerability research, ex MWR Labs, generally bad at computers, memory safe(probably), OS internals/hypervisor/browser research and bug hunting r&d (❤️program/code analysis)🐞🔍 @adhsec on hellsite, they/them, enby, #AuDHD
0xor0ne @0xor0ne.bsky.social | CyberSecurity | Reverse Engineering | C and Rust | Exploit | Linux kernel | PhD | Only My Opinions :) |
Dan Underwood @underwood.digital Security Engineering @ Apple, Ex-UK Gov
The intersection of technology (device and national security), and liberal arts (public policy)
Hex-Rays @hex-rays.bsky.social We make IDA, the leading tool for binary analysis, trusted by top cybersecurity teams for reverse engineering and malware defense.
Project Zero Bugs @project-zero-bugs.bsky.social Project Zero and High+ BigSleep Bugs
Automated, Nov 2025+
Firefox for Web Developers @webdevs.firefox.com Official Firefox account for people who build on the web. Learn about the things we're working on to grow and improve the web platform.
Saagar Jha @saagarjha.com - A Antonio Zekić @antoniozekic.bsky.social Interested in iOS/macOS internals/security...
biazo @vmcsptr.bsky.social Hyper-V Enjoyer
Sam Thomas @xorpse.ghost.sh Program Analysis / Reverse Engineering
Website: https://xv.ax
Calle Svensson @zetatwo.bsky.social Security Engineer @ XTX. MSc in eng. physics & CompSci, dev & gamer. ❤️ music & long distance running. Wanna do a PhD sometime. Same U/N on all other sites
DistrictCon @districtcon.bsky.social A new DC hacker conference: Bringing together builders, breakers, and fixers to do cool shit.
Feb. 6-7, 2027
districtcon.org
MDN Web Docs @developer.mozilla.org The official MDN Web Docs account, now on Bluesky. We deliver the best web docs around.
Visit → https://mdn.dev
Contribute → https://mdn.dev/community
Cindʎ Xiao 🍉 @cxiao.net professional strings(1) operator
rust reverse engineering training -> @decoderloop.com
she/her or they/them
🏳️🌈😎
personal account! views are mine.
en_CA/zh_CN/fr_CA
https://cxiao.net
https://infosec.exchange/@cxiao
v0ldemort @v0ldemort.bsky.social Vulnerability Engineer for FLARE @GoogleCloud 👾 CTFd with Kernel Sanders 🚩 Windows, Web3, & Android pwn 🔬 UF FICS Alum 🐊 InfoSec DJ 💿 opinions are my own
B3NNY and the JITs @b3nny.d0n0t.click Hacker, Programmer, Forward and Reverse Engineer 🦀. Collector of undefined behaviours. Will read your rants.
@B3NNY@infosec.exchange
dmnk @dmnk.bsky.social 【ＤΞＣＯＭＰＩＬΞ ＮΣＶΞＲ】
Android Red Team @google
Fuzzing @aflplusplus.bsky.social
CTF @enoflag
(opinions my own)
Clif Wolfe @grepwithextrasteps.bsky.social I like books, vulnerability research, reverse engineering, Ghidra, and cats. Follow me for a lack of posts involving all of them.
https://github.com/flounderK
Starlight @starlight.melyr.space 🍂 Lyra Li (she/her) | 17 | https://melyr.space/
💻 comp sci/infosec + math student @ MacEwan University
🔓 CTF w/ Project Sekai and club.eh
⬅️ previously UofTCTF, YegSec CTF, ARESx, Red Team Lounge
crudd @crudd.re Reverse Engineering and Malware Analysis
Mark Barnes @1nc4nu5.co.uk CTO @ Breakpoint Research
He/Him
Born at 340ppm
Jenn @zolutal.bsky.social PhD Student at ASU | blog.zolutal.io
Captain of Shellphish | shellphish.net
she/her
Fildisco @fildisco.bsky.social Home currently being demolished by an Ai data center
https://github.com/nolesapex
Compiling Android roms since 2013
XDA forums Senior member 🌄
cts @gf256.bsky.social Hacker and meme enjoyer
Romain Thomas (@rh0main) @rh0main.bsky.social Security engineer working on Android, reverse-engineering & obfuscation.
https://www.romainthomas.fr/ - https://obfuscator.re/ - https://lief.re
tmp0ut @tmpout.sh ELF Research Group
Max 'Libra' Kersten @maxkersten.nl Malware analyst and reverse engineer, author of the Binary Analysis Course. DMs are always open. Opinions are my own and not the views of my employer.
Rob Fuller @mubix.com (he/him) Dad / Husband / Marine / Student / Teacher / @Hak5 / @NoVAHackers / @SiliconHBO / @NationalCCDC / @MARFORCYBER Auxiliary- M Peiter “Mudge” Zatko @mudge.bsky.social DARPA/Google/Stripe/L0pht/Twitter/…/DARPA/[redacted]
https://en.wikipedia.org/wiki/Peiter_Zatko
st98 @st98.bsky.social CTFs with zer0pts and BunkyoWesterns / Web Security / Posts random things mostly in Japanese
X: https://twitter.com/st98_
Mastodon: https://infosec.exchange/@st98
Website: https://st98.github.io/
hypr @hyprdude.bsky.social vuln researcher+exploit dev | bordeaux enjoyer | friend of all cats | him/he | https://blog.coffinsec.com
Tailscale @tailscale.com Your private programmable network.
0x4d5a @0x4d5a.bsky.social Security Researcher @ Neodyme. Windows Internals, Reversing, Fuzzing, CTF
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/- X @xenocidewiki.bsky.social @xenocidewiki.bsky.social CTFing for https://org.anize.rs/. Member of https://secret.club/.
Advanced Fuzzing League @aflplusplus.bsky.social We want to make fuzzing better and better
Follow for updates on AFL++ & LibAFL
radareorg @radareorg.bsky.social The official radare2 account in the Blueskyverse
Layle @layle.bsky.social gen-z reverse engineer & exploit-dev • "embrace the c(ake)make" • shitposter • windows internals crackhead that likes emudev, os internals and ctfs @organizers
mhackeroni @mhackeroni.bsky.social Italian CTF team. DEF CON finalists. Cyber. Pasta. And now even satellites?! ✉️ info@mhackeroni.it