Alt18F @alt18f.bsky.social Delivered effective, efficient, and secure digital services for the American people until we were forced to stop on March 1, 2025. Not an official government account. Reposts are not endorsements. Our new website: https://18f.org/ #AltGov
John Skiles Skinner @skiles.blue I work on @securedrop.org
Former fed at 18F "deleted" by DOGE
π https://skiles.blue/
WarTranslated (Dmitri) @wartranslated.bsky.social πͺπͺ Estonian blogger focusing on Russia/Ukraine | 18+ version: https://t.me/wartranslated | Glory to #Ukraine!
Flaviu Cipcigan @flaviucipcigan.bsky.social Building AIs for scientific discovery. Discovered antibiotics and materials for carbon capture. Tango dancer. See more at flaviucipcigan.com. Opinions my own.
Arvind Satyanarayan @arvind.bsky.social Asst Professing at MIT CSAIL. Data visualization, ML interpretability, accessibility, cognitively convivial information.
Christopher Manning @chrmanning.bsky.social Stanford Linguistics and Computer Science. Director, Stanford AI Lab. Founder of @stanfordnlp.bsky.social . #NLP https://nlp.stanford.edu/~manning/
Rob Hyndman @robjhyndman.com Professor of Statistics, Monash University, Australia. FAA, FASSA. Interested in #forecasting, #rstats, #statistics. he/him http://robjhyndman.com
Gaia Marcus @gaiamarcus.bsky.social - Director @adalovelaceinst.bsky.social:ensuring data & AI work for ppl & society
- Stint in government - led #NationalDataStrategy; roles in Cabinet Office, ONS & MHCLG
- Charity roles inc. Samaritans Trustee; staff @ The RSA, Centrepoint, ParkinsonsUK
Philippe NoΓ«l @philippemnoel.bsky.social CEO @paradedb.com β’ H'20 β’ π«π·π¨π¦
https://philippemnoel.posthaven.com
Allen Downey @allendowney.bsky.social Former professor at Olin College, principal data scientist at PyMC Labs, author of Think Python, and Probably Overthinking It -- blog and book -- and stark raving Bayesian.
Chris Albon @chrisalbon.com 
Jesper Dr.amsch @jesper.drams.ch I share non-hype ML & AI with 8+ years XP
π¦ Machine Learning at ECMWF
πΎ Fellow at SSI
You miss 99% of benchmarks you don't overfit on!
π³οΈβπ they
Minsuk Chang @minsuk.bsky.social Research Scientist @ Google Deepmind. Opinions are my own.
minsukchang.com
Mikhail Popov @mpopov.com staff data scientist, autism dad, husband, former data science manager
pronouns: he/him
website: https://mpopov.com
disclaimer: views and posts are my own
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/
Vicki @vickiboykis.com Founding list[float] engineer. Recsys. Personalization. Infra. Systems. Normcore code. Nutella. Vectors. Words. Vibes. Bad puns (soon).
https://vickiboykis.com/what_are_embeddings/
The Kyiv Independent @kyivindependent.com Independent English-language journalism in Ukraine
Become a member: kyivindependent.com/membership
Svelte @svelte.dev Web development for the rest of us. See also:
- community: @sveltesociety.dev
- starter pack: https://bsky.app/starter-pack/did:plc:nlvjelw3dy3pddq7qoglleko/3l6ucetngs423
- feed: https://bsky.app/profile/paolo.ricciuti.me/feed/svelte-feed
TomNomNom @tomnomnom.com Computer booper and food enthusiast. He/him.
Deviant Ollam γ @deviantollam.bsky.social Philadelphian in Cascadia. Vociferous champion for Oxford commas, two spaces after a period, and ellipses. I break into buildings. π
"Even if the world were ending tomorrow, I would still plant a tree." π²
(he/they)
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Lesley Carhart @hacks4pancakes.com I am eminently qualified to speak from experience about a variety of dumpster fires.
ICS DFIR at Dragos, martial artist, marksman, humanist, level 14 Neutral Good rogue, USAF retired. I post *very serious* things about infosec. Thoughts my own. Enby. π³οΈβπ
UK_Daniel_Card @mrr3b00t.bsky.social 
Phillip Wylie @phillipwylie.bsky.social Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie
garethr @garethr.bsky.social VP Product @snyksec. @openpolicyagent Conftest maintainer. Developer, designer, product. Open source geek. Devops Weekly. @gdsteam alum. he/him.
Alyssa Miller π¦π©ββοΈ @alyssam-infosec.com Hacker, CISO, and commercial pilot. Certified Bluesky Elder. Author and International Speaker, Chief advocate of #DoBetterBeBetter
Compassion and empathy are traits in short supply but necessary to make this world a better place.
alyssasec.com
d0nut @d0nut.dev π¦ Rust + Security π
Michael Skelton @codingo.com VP of Security Operations at Bugcrowd, Security Content @ http://youtube.com/codingo, tools @ http://github.com/codingo. SecTalks and BSides Gold Coast co-organizer - He/Him
Daniel Cuthbert @dcuthbert.bsky.social Ageing hacker, long time documentary photographer. Black Hat Review board. Now sitting on numerous government cyber security boards so I guess that means Iβve grown up right?
LiveOverflow π΄ @liveoverflow.bsky.social wannabe hacker... he/him
π± grow your hacking skills https://hextree.io
James Kettle @jameskettle.com Director of Research at @portswigger.net
Also known as albinowax
Portfolio: https://jameskettle.com/
Alethe @alethe.bsky.social βUh-Lee-thβ | Bishop Fox π¦ Red Team | DEF CON Goon & Black Badge Hall of Fame | DEF CON Social Engineering CTF Winner 2019 | Physical Pentester | IVR Pentester | IR Tabletop King π
Safa πΏπ¦ in NorCal πΊπΈ - Fish π Nerd - Jeep Girl
Justin Elze @handle.invalid CTO @TrustedSec.com | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
Rob Fuller @mubix.com (he/him) Dad / Husband / Marine / Student / Teacher / @Hak5 / @NoVAHackers / @SiliconHBO / @NationalCCDC / @MARFORCYBER Auxiliary
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer β Managing director @ HexArcana β @DragonSectorCTF founder β he/him
Nicolas GrΓ©goire @agarri.fr Web hacker π
Burp Suite Pro trainer π¨βπ«
Maintainer of @mastering-burp.agarri.fr π οΈ
sshell @sshell.co propane and propane accessories
ai + security research
ccdc red team
Ello @ellopunk.bsky.social Digital Alice chasing the π down the cyber space rabbit hole.
hakluke @hakluke.com Dad, hacker, solo founder of haksec.com and hackercontent.com.
jub0bs @jub0bs.com infosec enthusiast β’ Go dev & trainer β’ contributor to the Go project β’ minimalist β’ chaotic good β’ trying to make sense of the Web β’ he/him
Blog: https://jub0bs.com
Free Go course: https://github.com/jub0bs/go-course-beginner
Free π΅πΈ! Leave π±π§ alone!
Jason Haddix @jhaddix.bsky.social CEO, CISO, Trainer, Hacker, and Speaker.
AI + hacking + sec leadership.
ex:BuddoBot-Ubisoft-Bugcrowd-Fortify-HP-Redspin-Citrix.
Gareth Heyes @garethheyes.co.uk Web security researcher at PortSwigger. Author of JavaScript for Hackers, Shazzer and Hackvertor.
https://javascriptforhackers.co.uk/
https://garethheyes.co.uk/
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
HollyGraceful @hollygraceful.bsky.social I climb stuff and I hack things.
Scott Helme @scotthelme.bsky.social Hi, I'm Scott Helme, a Security Researcher, Entrepreneur and International Speaker. I'm the creator of Report URI and Security Headers, and I deliver world renowned training on Hacking and Encryption.
https://scotthelme.co.uk
Glenn Pegden @glenn.pegden.com Good Guy Hacker, Dad, App Sec / Vuln Man / Pentest specialist and leader, conference organiser, volunteer, speaker and attendee, retro gamer, Blackburn Rovers and Leeds Knight fan β¦.. hacker
http://Glenn.pegden.com/findmeon
renniepak @renniepak.nl Self-XSS connoisseur. Elite Hacker. MVH H11337UPBash. One-Percent Man. Creator of CSPBypass.com. (he/him)
zseano @zseano.bsky.social @zseano
α΄
α΄Ι΄Ιͺα΄Κ α΄Ιͺα΄κ±κ±Κα΄Κ @danielmiessler.bsky.social AI / Security Researcher and Entrepreneur.
Founder/CEO of Unsupervised Learning.
Building AI that upgrades humans.
vortex @vortex.au I do offensive security things on the internet
Alex Chapman @ajxchapman.bsky.social Full Time #BugBounty Vulnerability Researcher
https://blog.ajxchapman.com
STΓK @stokfredrik.bsky.social Hacker / Creative
Mischief & GOOD VIBES ONLY
pwneip @pwneip.bsky.social Principal RTO @F500, SANS Instructor & #SEC565 Red Team Ops Author, Red Team Village lead, former Bishop Fox, US Air Force. Tweets are my own, memes are stolen
harisec @harisec.bsky.social Interested in web security, bug bounties, machine learning and investing. SolidGoldMagikarp
terjanq @terjanq.me security enthusiast that loves hunting for bugs in the wild. co-founder and player of @justCatTheFish.
infosec at @google. opinions are mine.
From: https://twitter.com/terjanq
Liam @leesoh.bsky.social 
noperator @noperator.bsky.social tech tasks are cool and hacking is great
Random Robbie @what-security.co.uk #infosec | #exploiter | #asm | fox | #LFC | scanner of the internet | #wordpress exploiter | #greynoise lover. | #Bugbounty hunter | Northerner | #UK
Joel Margolis (teknogeek) @teknogeek.io hacker
foxinSOCKS5 @foxinsocks5.bsky.social Recovering software engineer. Offensive security focused TPM.
Rob Ragan @theoradical.bsky.social https://theoradical.ai
jcran @cybe.rs knowledge seeker
jstnkndy @jstnkndy.bsky.social Infosec professional, beverage snob, and fantasy book consumer. Vice President @ Atredis Partners. Forever terrified of Kithicor.
Smarticu5 @smarticu5.bsky.social Cloud-native offsec at AmberWolf
Rory McCune @mccune.org.uk Security geek, Containers, Kubernetes, Golang/Ruby, hillwalking
Home Page :- https://www.mccune.org.uk
Blog:- https://raesene.github.io
Andrew Martin β‘βΈοΈ @sublimi.no Hacker // CEO https://controlplane.io π @controlplane.io | Cloud Native Security | CISO openuk.uk | AI sec https://finos.org/ | Hacking Kubernetes https://oreilly.com/ | Ex https://tag-security.cncf.io/ & https://sans.org/ | Ex-X @sublimino
Bobby Quine @quine.bsky.social Curmudgeonly computer security person. Opinions (and the like) are mine.
Bryan White, MS Bio, MPH 𧬠@crvscience.com MS Biology, MPH, MS Cybersecurity |
Evolutionary Biologist πͺΌ| SciComm βπ»|
Bioinformatician π₯οΈπ§¬| Public Health π|
PNW π²|
>Art π¨ & T-shirts π:
https://crvscience.com
>Books π βοΈ ποΈ
https://www.amazon.com/dp/B0HCYP88H5
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
qdot @buttplug.engineer Teledildonticist, Arctic Fox, Cube
ππ @buttplug.io
π @good.as.hell.domains
πΌ nonpolynomial.com
π΅ patreon.com/qdot | ko-fi.com/qdot76367
π buttplug.engineer/@qdot
πΎ twitch.tv/qdotfm
π» github.com/qdot
πΆ last.fm/user/qdot
he/him
art by @gavbat.bsky.social
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
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/
Katelyn π
Medusfour @medus4.com Activist, Hacker cosplayer, Artist. Data economy abolitionist.
@cdc_pulpit Sinfluencer, Head of Humanity @ Veilid, designer of weird shirts at hack.xxx
I love gross terrifying things. Because I am one
Exploit Code Not People @cooperq.com Cybertiger. Senior Staff technologist at @eff.org Fellow @citizenlab.ca Board member @openarchive.bsky.social. "Noted activist security type." Anti-fascist. he/him. My skeets do not represent views of my employers β΅£π΄ signal: cooperq.01
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
shenetworks @shenet.works Networking β’ Hacking β’ Hacking Networks (she/her)
shenet.works
InfoSteph (92%) @stephandsec.com She/Her. Cybersecurity Educator & Engineer. Writer. Keynote Speaker. LinkedIn Learning Author (150K+ learners). Neurospicy (ADHD). Sharing insights to inspire growth and connection. Black and proud.
Stephandsec.com
Lisa Forte @lisaforte.bsky.social Cyber security, climbing, caving and diving! π
Jack Rhysider @jackrhysider.bsky.social Creator of Darknet Diaries.
Verification: https://twitter.com/JackRhysider/status/1675298532406984707
Ray [REDACTED] @rayredacted.com Past: Host of "Tribe of Hackers"; Assoc. Producer "Darknet Diaries."
Current: Cybersecurity researcher and executive. Also, father of the fastest climber who has ever lived. Seriously.
Warning: I talk about my son ALOT
βUt scandis, alios subleva.β
Cyber Detective @cybdetective.bsky.social Every day I write about #osint (Open Source Intelligence) tools and techniques. Also little bit about forensics and other cybersecurity related themes
Εukasz @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 β¨ππ¦
ZoΓ« Rose @rosesec.bsky.social #mumSec
cje @cje.io founder @bugcrowd && co-founder @disclose_io || hacker, entrepreneur, executive, advisor || ΨΉΨ΅Ψ§ Ω
ΩΨ³Ω || #w00w00- M Peiter βMudgeβ Zatko @mudge.bsky.social DARPA/Google/Stripe/L0pht/Twitter/β¦/DARPA/[redacted]
https://en.wikipedia.org/wiki/Peiter_Zatko
Tib3rius @tib3rius.bsky.social Web App (mostly) Hacker | Cybersecurity Educator | Content Creator | Ex-Brit | Links: http://linktr.ee/tib3rius (he/him) πΊπΈ A mostly unserious person. @therealc3rul34n.bsky.social is bae π₯°
Nick Drage @sonofsuntzu.bsky.social Co-author of Random The Book: https://randomthebook.com/2026/05/29/its-here/
I'm abstractly interested in many things: https://blog.sonofsuntzu.org.uk/about
Nyctophile.
Corbie π¦ββ¬ @corbieailin.bsky.social Technology and Marketing Consultant, Software Engineer
Returning to school for ethics in technology and AI
πΌ Accessibility Specialist
Photographer, Musician, Dancer, Weirdo
https://newsoftheai.com
Mark C @largecardinal.bsky.social Logician (PhD), Quantum Hacker, ML miscreant. Feral academic. Co-founder of Quantum Village @ DEF CON
Reg @reg.bsky.social I believe that Black Lives Matter, and that trans rights are human rights.
Iβm an infosec geek in the streets, and an Oxford comma freak in the sheets.
she/her
"Alex" @mangopdf.bsky.social australia's only hacker
https://mango.pdf.zone
remy π @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/
Katie Paxton-Fear @insider.phd Dr, apparently. Security Adovcate @semgrep & Hacker. #BugBounty hunter & #infosec YouTuber. APIs & Interlinked OffSec, PhD in AI+Sec @hacknotcrime. she/her
Mike Thompson @appsecbloke.com Information security leader, vendor adversary, occasionally opinionated.
Shitposts, memes, music and thoughts on the state of the place.
linktr.ee/appsecbloke | https://soundcloud.com/michael-thompson-70891340
Corben Leo @hacking.bsky.social I hack stuff (legally). | co-founder boring.co
Twitter: https://twitter.com/hacker_
Jack Cable @jackhcable.bsky.social CEO & Co-founder at Corridor.
Previously: Senior Technical Advisor at CISA, TechCongress in the Senate, Krebs Stamos Group, CISA, Defense Digital Service, and Stanford.
Tom Eston @agent0x0.bsky.social Cybersecurity Aficionado, Privacy Advocate, Founder and Co-Host of the Shared Security Podcast @sharedsecurity.bsky.social
Curator of @retrorelics.store
Also: Sober π, Metalcore π€, Cats π, Retro video games, mods, vintage consoles and repair.
({({(Null Operator)})}) @null0perat0r.bsky.social | π appsec | π€ CTO | β¨ indy hacker | ποΈ modular synth | πͺ³ coder | ποΈ camping
Developer of Faction: an open source pentesting framework.
https://github.com/factionsecurity/faction
https://bsky.app/profile/factionsecurity.com
netbiosX @netbiosx.bsky.social Purple Team
syndrowm @syndrowm.com Hacker, CTF, CCDC, BJJ Brown Belt, python, rust, malware
https://www.offensivecontext.com
https://puck.tools
https://www.malicious.fit