Electronic Frontier Foundation @eff.org We're the Electronic Frontier Foundation. We're a nonprofit that fights for your privacy and free speech online. Find all of EFF's social media accounts at eff.org/social.
Anton Zhiyanov @antonz.org Maintainer at https://github.com/nalgeon. Author at https://antonz.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/
Eric Wastl @was.tl Created http://adventofcode.com, http://compute-cost.com, http://anoik.is, http://was.tl/projects/; Principal Architect at https://acvauctions.com
Sergio Alves Domingues @sad-ch.bsky.social Swiss dude working in IT security. Enthusiast about tech, music and flying things.
Rich Warren @buffaloverflow.rw.md Red Team & Offensive Security Research @amberwolfsec.bsky.social
Dave Aitel @daveaitel.bsky.social 
XBOW @xbow.com Bringing AI to offensive security by autonomously finding and exploiting web vulnerabilities. https://xbow.com/
Tyler Wilde @tjcwilde.bsky.social US Editor-in-Chief, @pcgamer.com | tyler@pcgamer.com | Signal: tylerwilde.01
Lee Chagolla-Christensen @tifkin.bsky.social I like making computers misbehave. Does stuff at http://specterops.io.
Github: https://github.com/leechristensen
Mastodon: @tifkin_@infosec.exchange
David Crawshaw @crawshaw.io ceo exe.dev, tailscale co-founder, programmer
Will McGugan @willmcgugan.bsky.social CEO / Founder of https://textualize.io Hyperborean Python expert, author, humanist, husband, sometimes wildlife photographer. Carbonara aficionado. He/him. 
Cobalt Strike @cobaltstrike.bsky.social Official account for Cobalt Strike. Benchmark red teaming tool known for its flexibility and powerful user community. Follow for new releases and other updates.
Natalie Silvanovich @natashenka.bsky.social Google Project Zero
Steve Klabnik @steveklabnik.com #rustlang, #jj-vcs, atproto, shitposts, urbanism. I contain multitudes.
Working on #ruelang but just for fun.
Currently in Austin, TX, but from Pittsburgh. Previously in Bushwick, the Mission, LA.
Jeff Moss @thedarktangent.bsky.social thedarktangent@defcon.social
CFP Time @cfptime.bsky.social All about #infosec Call for Papers : cfptime.org
Black Hills Information Security @bhinfosecurity.bsky.social Specializing in pen testing, red teaming, and Active SOC. We share our knowledge through blogs, webcasts, open-source tools, and Backdoors & Breaches game.
blackhillsinfosec.com & poweredbybhis.com
Adam Shostack @adamshostack.bsky.social Threat modeling. BH Review Board. Affiliate Professor, UW. Fixed autorun. Helped create CVE.
Not sure why we're building graphs on yet another (effectively) centralized system. https://infosec.exchange/@adamshostack
SpecterOps @specterops.io Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management
Dafydd Stuttard @dafyddstuttard.bsky.social Founder and Chief Swig at PortSwigger. Creator of Burp Suite and the Web Security Academy. Author of The Web Application Hacker's Handbook.
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
TinyGo @tinygo.org TinyGo - a Go compiler for small places. Embedded systems/microcontrollers, WebAssembly (wasm/wasi), CLI tools.
https://tinygo.org/
https://github.com/tinygo-org/tinygo
Laurent Cheylus @lcheylus.bsky.social Mastodon: @lcheylus@bsd.network
X/Twitter: @lcheylus
Cybersecurity Linux BSD OpenBSD - Lyon addict
Messages in French ๐ซ๐ท and English ๐ฌ๐ง
Chris Truncer @christruncer.bsky.social Deputy Chief Red Team @ CISA && BJJ && Open Source Dev
Patrick Gray @patrick.risky.biz https://risky.biz/
tmp0ut @tmpout.sh ELF Research Group
Scott Hanselman ๐ฎ @scott.hanselman.com I want you to win and be happy. Code, OSS, STEM, Beyoncรฉ, T1D, open source artificial pancreases, Portland, 3D printing http://hanselminutes.com inclusive tech podcast! VP/Member of Technical Staff, Microsoft/GitHub ๐ฎ
http://hanselman.com/about
Corey Quinn @quinnypig.com Snarkmonger. Chief Cloud Economist at The Duckbill Group.
he/him.
Get my opinionated take on AWS news: http://lastweekinaws.com/t/
Signal: 833-AWS-BILL (833-297-2455)
Raphael Mudge @raphaelmudge.bsky.social Riding around in the breeze. USAF Veteran.
Microsoft Developer @developer.microsoft.com Dive into the biggest news from Microsoft Build and learn how to start building with it today
https://blogs.microsoft.com/blog/2026/06/02/microsoft-build-2026-be-yourself-at-work/
Insomni'hack @1ns0mn1h4ck.bsky.social Security conference and hacking contest founded and organized by
@orangecyberch since 2008 in Lausanne, Switzerland. 
Joe Grand @joegrand.bsky.social Hardware hacker, computer engineer, former L0pht member and juvenile delinquent, sometimes known as Kingpin. https://joegrand.com
netspooky @vacci.ne knuck if you buck
https://n0.lol
@its-a-feature.bsky.social @its-a-feature.bsky.social @its_a_feature_ on Twitter | Mythic developer | @SpecterOps
B:\a.zza @mcbazza.com I.T. geek. Does things with computers/tech.
All views are own. Don't take seriously. Or, should you?
Servant to 5x cats. He/him
You may know me as 'mcbazza' on the bird-site
Catalin Cimpanu @campuscodi.risky.biz โ Cybersecurity reporter
โ
Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Terminal Trove @terminaltrove.bsky.social The home of all things in the terminal.
https://terminaltrove.com/
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
@mbrza.bsky.social @mbrza.bsky.social 
Work Memes @workmemes.bsky.social Bringing you a daily dose of work memes.
instagram.com/antiworkmemes
Dreadnode @dreadnode.bsky.social Building AI systems that advance the state of offensive security | https://www.dreadnode.io/ 
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.
Soroush Dalili ๐๐ @irsdl.bsky.social Hacker (ethical), web appsec specialist, trainer, tools builder & apps breaker, X: @irsdl
https://secproject.com/
https://soroush.me/
https://burpsuite.ninja/
LiveOverflow ๐ด @liveoverflow.bsky.social wannabe hacker... he/him
๐ฑ grow your hacking skills https://hextree.io
Sam Curry @zlz.bsky.social 
shubs @shubs.io Co-founder, security researcher. Building an attack surface management platform, @assetnote.io
Andrew Morris @andrewmorr.is ๐ณ founder of @greynoise.io. computers, networks, technology enthusiast. big goober.
Pirate Software @piratesoftware.live Game Dev - Streamer ๐ Go Make Games - https://develop.games ๐ Ferret Rescue - https://ferrets.live ๐ Business: Pirate@sidequestmedia.com
HackerOne @hacker0x01.bsky.social The Only official HackerOne bsky account.
Peace of mind from security's greatest minds.
#HackForGood
Hacker News Top Stories @hackernewsbot.bsky.social (Unofficial) Hacker News Bot with top stories updates.
Jobs from YC startups @whois-hiring.bsky.social
Creator @ykravchuk.bsky.social
Glenn @ntkramer.bsky.social Elder Millennial | ๐ผ Cybersecurity | I ask 'why?' a lot | Pro Oxford Comma | Fix it! | He/Him | #BLM | Views are my own.
Max Hils @hi.ls mitmproxy developer, making cloud more secure at Google. TLS, web, networks, and open source.
Mostly active on http://fedi.hi.ls these days, mirroring announcements here.
@cryptax.bsky.social @cryptax.bsky.social Android malware analysis. Ph0wn CTF founder. IoT hacking. Frequent speaker at Virus Bulletin, Insomnihack etc. Based in France.
Currently testing Bluesky. Otherwise on Mastodon.social.
b1ack0wl @b1ack0wl.com 0day Researcher @ โโโโโโโโโโโโ / Baker / 0wl
// I post random things on here
@usrbinkat.io @usrbinkat.io ๐งโโ๏ธ Open Sourceress
๐ Ms. (f)Rizzle @Cisco
๐ณ๏ธโโง๏ธ Blame for Oops & Ops my own
๐ค Seize the means of computing
๐ฉโ๐ป K8s/AWS/Azure Platform Engineer
๐ https://blog.usrbinkat.io/en/page/about
๐ฟWatching Dystopia IRL
๐ง Neuro Spicy Autist
๐ Sacramento โ
Gareth Dwyer ๐ณ๐ฑ๐จ๐ญ๐ฟ๐ฆ @sixhobbits.bsky.social Bootstrapping Ritza.co - a technical writing agency. Follow me for slightly cynical takes on tech and marketing.
I mainly use BlueSky to post about Eskom data and loadshedding. See Twitter.com/sixhobbits for startup/tech stuff.
Scott Piper @scottpiper.bsky.social Cloud security historian.
Developed http://flaws.cloud, CloudMapper, and Parliament.
Founding team for fwdcloudsec.org
Principal Cloud Security Researcher at Wiz.
Joe Slowik @pylos.co Threat Intel / CTI / OT / ICS / Critical Infra stuff along with other things. I genuinely care, and wish others did too.
Website: pylos.co
Training/Consulting: paralus.co
unix-ninja @unix-ninja.bsky.social Team Hashcat + Hacking stuff + Running Information Security in FinTech + I like chess + Cracking Passwords + Making music
Nicolas Grรฉgoire @agarri.fr Web hacker ๐
Burp Suite Pro trainer ๐จโ๐ซ
Maintainer of @mastering-burp.agarri.fr ๐ ๏ธ
Jen Gentleman @jenmsft.bsky.social I work on the Windows engineering team at Microsoft and help with feedback for Start menu, Settings, taskbar, input + more
You can find me on most of the other social media apps including Twitter and reddit with the same account name @jenmsft
GitHub @github.com The AI-powered developer platform to build, scale, and deliver secure software.
Cassidy @cassidoo.co Making memes, dreams, & software!
Sr. Director of Dev Advocacy at GitHub. Married to a dweeb and mom to a nerdy toddler + baby combo. She/Her โ๏ธ CHI ๐
Subscribe to my newsletter!
cassidoo.co/newsletter
Visual Studio Code @vscode.dev The open source AI code editor
Thomas Seigneuret @zblurx.bsky.social Security researcher, pentester
Maintainer of NetExec, DonPAPI, dploot, certsync, and all the stuff on https://github.com/zblurx
mthcht @mthcht.bsky.social Threat Hunting - DFIR - Detection Engineering
๐ https://github.com/mthcht
๐ฆ https://x.com/mthcht
๐ฐ https://mthcht.medium.com
remy ๐ @remyhax.bsky.social Dad, Vuln Research, Packet poker. He/Him. DM's open, send me something cool you built. Top percentage Rattata.
https://remyhax.xyz/
Phrack Zine @phrack.org since 1985
https://phrack.org
Christian Rocha @rocha.is I hack on @charm.land, sometimes too much
Charm @charm.land We make the command line glamorous.
https://charm.land/
nixCraft @cyberciti.biz Enjoy Linux & Unix-like systems, open-source software, and programming/compsci? Into Sysadmin & DevOps? Follow us to make the most of your IT career! Discover new tools and apps daily, plus a dose of humor โคต๏ธ
https://www.cyberciti.biz
@hasherezade.bsky.social @hasherezade.bsky.social Programmer, #malware analyst. Author of #PEbear, #PEsieve, #TinyTracer. Private account. All opinions expressed here are mine only (not of my employer etc) ; https://hasherezade.net
Synacktiv @synacktiv.com Offensive security company. Dojo of many ninjas. Red teaming, reverse engineering, vuln research, dev of security tools and incident response.
Gitea @gitea.com Git with a cup of tea! Painless self-hosted all-in-one software dev service. Includes Git hosting, code review, team collaboration, package registry and CI/CD.
https://gitea.com
Bad Sector Labs @badsectorlabs.com Cybersecurity news, techniques, exploits, and tools every week at http://blog.badsectorlabs.com ๐@badsectorlabs@infosec.exchange
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
TrustedSec @trustedsec.com End-to-end Cybersecurity consulting team leading the industry, supporting organizations, and giving back. #HackThePlanet
https://trustedsec.com/
@marcoslaviero.bsky.social @marcoslaviero.bsky.social 
radareorg @radareorg.bsky.social The official radare2 account in the Blueskyverse
Tailscale @tailscale.com Your private programmable network.
Orange Tsai @orange.tw This is ๐
SteamDB @steamdb.info ๐ Tracking all things Valve and Steam.
โน๏ธ We are not affiliated with Valve in any way.
๐ฆ By @xpaw.me ๐ https://steamdb.info/
ฯปะณ_ฯปฮต @steven.srcincite.io Hermetic Initiate. Exploring conscience and the nature of reality. I also hack things.
mpgn @mpgn.bsky.social Flibustier du net ฬฟ ฬฟฬฟ'ฬฟ'\ฬตอฬฟฬฟ\=(โขฬชโ)=/ฬตอฬฟฬฟ/'ฬฟฬฟ ฬฟ ฬฟ ฬฟ
Podcast Hack'n Speak http://anchor.fm/hacknspeak
Github https://github.com/mpgn
David Weinstein @insitusec.com CTO, software, code archaeology, security, mobile apps, startups, NP Hard, AI things
DTM @dtmsecurity.bsky.social Hacker, Security Engineer and Researcher.
https://dtm.uk/
harmj0y @harmj0y.bsky.social Researcher @SpecterOps. Coding towards chaotic good while living on the decision boundary. #dontbanequality
netbiosX @netbiosx.bsky.social Purple Team
Rachel Tobac @racheltobac.bsky.social Hacker & CEO @SocialProofSec security awareness/social engineering training, videos, talks | 3X @DEFCON๐ฅ | Ex Chair @WISPorg | Ex @CISAgov Technical Advisory Council under Director Jen Easterly
RastaMouse @rastamouse.me make pic +relax
superkojiman @techorganic.com Will occasionally cosplay as a hacker.
๐ techorganic.com
๐ infosec.exchange/@superkojiman
๐ป github.com/superkojiman
Julia Evans @b0rk.jvns.ca programming and exclamation marks
blog: jvns.ca
zines: wizardzines.com
Metasploit @metasploit-r7.bsky.social Official account of the Metasploit Project, part of the Rapid7 family.
Mastodon: @metasploit@infosec.exchange
Slack: http://metasploit.com/slack
Steam @steampowered.com Steam, The Ultimate Online Game Platform.
For support: http://help.steampowered.com/en/
Clรฉment Labro @itm4n.bsky.social Pentest & Windows security research
SensePost @sensepost.com Work like hell,
Share all you know,
Abide by your handshake,
Have fun. - Dan Geer
Marc Smeets @marcoverip.bsky.social Does a thing or two with red teaming @ Outflank | part time race and drift car instructor