Ali @endingwithali.com software engineer @ fintech- content creator @ http://links.ali.dev - threatwire host @hak5 - @breakingthepod - nyc - ex @miteecs - jewish
TracketPacer @tracketpacer.com ๐rockit network engineer
๐ฉ๐ผโ๐ปethernet fangirl
๐ weird use cases & silly tech!
๐ tracket@tracketpacer.com
๐ tracketpacer.com
lcamtuf @lcamtuf.coredump.cx Substack: http://lcamtuf.substack.com/archive
Homepage: http://lcamtuf.coredump.cx
Orange Tsai @orange.tw This is ๐
Web Security Academy @websecacademy.bsky.social Free web security training from PortSwigger.
Luke Jahnke @nastystereo.com Blogging at https://nastystereo.com
Tom Stacey @t0xodile.com Security researcher at PortSwigger. You can find all of my write-ups and research at https://thomas.stacey.se.
bubu @albertofdr.bsky.social about://inducebrowsercrashforrealz ๐๐ฅ๏ธ
https://albertofdr.github.io/
Lauritz @lauritz-holtmann.de IT-Security Researcher, Pentester and Bug Hunter. Passionate about ๐ป, ๐คฝโโ๏ธ, โ๏ธ, ๐ธ and โฝ #meinVfL
#Kaeferjaeger + H1 Ambassador
๐ https://security.lauritz-holtmann.de
alp1n3 ๐ฒ @alp1n3.dev ๐ฎ AppSec & Go
Jorian @jorianwoltjer.com Normalize being weird.
Bruno Modificato @brunomodificato.bsky.social CTFer for: @Water_Paddler / Security auditor @osec_io
Sometimes bug bounty and research
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer โ Managing director @ HexArcana โ @DragonSectorCTF founder โ he/him
Lukas Weichselbaum @webappsec.dev Leading Google's web security team.
Passionate about web security and making secure-by-default web development the norm. Contributed to web platfom security features like CSP, Fetch Metadata, COOP and Trusted Types.
Anne van Kesteren @annevk.nl Web Standards Engineer at U+F8FF.
Mike West @mikewe.st web browser stuff: security, privacy, safety, etc.
Rebane @rebane2001.bsky.social ๐ช๐ช๐ณ๏ธโโง๏ธ | Archivist | 12 CVEs in Chrome | CSS sophomore | MapartCraft | Horse | rebane2001#3716 | Lyra ๐ฆ
she/her
https://lyra.horse/
@rebane2001@infosec.exchange
Justin Gardner @rhynorater.bsky.social Christian | Full-time Bug Bounty Hunter | Host @ctbbpodcast.bsky.social | Advisor @caido.io | 3x LHE MVH | ๐ฃ๏ธ English, ๆฅๆฌ่ช
@arturjanc.bsky.social @arturjanc.bsky.social 
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/
Masato Kinugawa @masatokinugawa.bsky.social '"><>ma<s>ato
@shhnjk.bsky.social @shhnjk.bsky.social This account posts hallucinations non-stop. More grounded and less noisy thought on x.com/shhnjk :)
Zeyu (Zayne) @zeyu2001.bsky.social โข CS @ Cambridge
โข CTFs with Water Paddler / Blue Water
โข Security at Electrovolt / Cure53
โข DEFCON 31-32 finalist
โข Also on Twitter and infosec.exchange
stypr @harold.kim Touring sourcecodes. ARIN ISP Operator (AS400671). Retired CTF Player.
icchy @icchy.bsky.social https://twitter.com/icchyr ใใใพใ ็งป่กใงใใฆใใพใใ
s1r1us | Mohan Sri Rama Krishna Pedhapati @mohansrk.bsky.social Founder @ElectrovoltSec Browser and Web Security @cure53berlin, Blockchain Security @osec_io, Rambling on http://mohansrkp.substack.com
kunte_ @kunte0.bsky.social CTF Player with FluxFingers | Ph.D. Student
theMiddle @meninthemiddle.bsky.social Rev3rse Security, SicuraNext
BitK @handle.invalid 
Josip Franjkoviฤ @josipfranjkovic.bsky.social I am an average Joe who enjoys breaking websites. My security blog: https://josipfranjkovic.com
manpreet @mnprt.me i love the kotlin
Darth Putin @darthputinkgb.bsky.social Czar for life of all Russians. Master Strategist. Tea connoisseur. Author. Window installer. Wanted in 123 countries. Parody, apparently.
Adam Langley @buildhacksecure.bsky.social Fullstack dev & Hacker, training ethical hackers how to hack & web devs to secure their apps! CTO at https://hackinghub.io and Director at https://bsidesexeter.co.uk
fesshole ๐งป @fesshole.bsky.social Confess your sins anonymously - will the internet absolve you?
Buy show tickets 2025/6: sites.google.com/view/fesshole
Add confession b3ta.com/addfess
Buy book amazon.co.uk/s?k=very+best+of+fesshole&tag=b3ta-21
Run @robmanuel.b3ta.com- N Nathan @nwilhelm.io I work on things. Need to contact me? contact@nwilhelm.io
Ronnie @ronniie.dev 
Cas van Cooten @casvancooten.com @chvancooten on the bird app ๐ฆ
---
Benevolently malicious offensive security enthusiast || OffSec Developer & Malware Linguist || NimPlant & NimPackt author || @ABNAMRO Red Team
celeretaudax @celeretaudax.bsky.social Enjoy cyber, used to work in a SOC now mainly just wear socks.
Maxime Escourbiac @fisjkars.bsky.social Red Team Leader @Michelin
#Security Fan de gastronomie
Reza Sahaf @rezasahaf.bsky.social Bug Hunter
Assetnote @assetnote.io True Attack Surface Management - https://assetnote.io
๐ช๐ธ ๐ป ๐ช๐ธ @0x0.svpn.com Security. People matter most. Get off X, fool.
Signal: Bluesky.1337
Lisa Forte @lisaforte.bsky.social Cyber security, climbing, caving and diving! ๐
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/
Maxime Lamothe-Brassard @maximelb.bsky.social Founder at LimaCharlie, cyber security, ex-intelligence/Google/crowdstrike.
Whitney Champion ๐ช @whit.zip security architect / co-founder @digitaldefenseinstitute.com / co-founder Recon InfoSec
โฅโฅโฅ == @eric.zip, nerdery, rainbows, sweatpants
she/her | mama of 3 | ๐ค๐๐ฟ๐๐
unicorns.lol
https://short-stack.net
whitneychampion.com/portfolio
Christopher Luft @tekgrunt.bsky.social Co-Founder @LimaCharlie.io | Host of The Cybersecurity Defenders Podcast
I am interested in computer science, art & growing my own food. Working to disrupt the way cybersecurity tools and supporting infrastructure are delivered.
Claudia @signorina37.ransomnews.online behavioral #cybersecurity & reputation strategist โข social engineer โข OSINT/SOCMINT/HUMINT โข #cyberculture โข security awareness & human risk education โข COBOL programmer โข #nerd
๐บ co-founder @ransomnews.online
ๅคไบบ
https://signorina37.ch
Lukasz Olejnik @lukaszolejnik.bsky.social Security & Privacy. Data Protection. Research & Development. Engineering. Analyst. Policy. W3C. Consultant. Author. Kingโs College London/War Studies. me@lukaszolejnik.com
lukaszolejnik.com/books
blog.lukaszolejnik.com
techletters.substack.com
Simon Petersen @simonpetersen.net Associate Information Security Consultant at DHL IT Services*.
Danish ๐ฉ๐ฐ origin - living in Prague ๐จ๐ฟ
* I don't speak on behalf of DHL.
https://simonpetersen.net
Michael Moore @michaelmoore.ai #AI, #Cybersecurity, and other technology topics. Trying to make the world a better place. Personal account; my views only. Work: https://s1.ai/purple at @sentinelone.com
Nathan McNulty @nathanmcnulty.com Loves Jesus, loves others | Husband, father of 4, security solutions architect, love to learn and teach | Microsoft MVP | @TribeOfHackers | ๐infosec.exchange@nathanmcnulty
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
Eric Capuano @eric.zip - Dad of two <3
- Co-founder Recon InfoSec
- SANS DFIR Instructor
- BlackHat Trainer
- IANS Faculty
- Trainer @digitaldefenseinstitute.com
- Blog: https://blog.ecapuano.com
- โฌก ODESZA, Lane 8, Kasbo ๐ง
- โค @whit.zip
Dennis Keefe @dkeefe.bsky.social CompTIA Security+ | LPI Linux Essentials | Former Law Enforcement | OSINT Enthusiast | Christ Follower https://www.linkedin.com/in/dkeefe/
Gerald Auger, PhD @geraldaugerphd.bsky.social Passionate About Cybersecurity | Sharing Passion to Help Individuals Discover, Engage, and Level Up A Cyber Career | Tweets Sharing Cyber Tips, Tools, Love๐ Go to SimplyCyber.io
Nikki Webb @nikkic360.bsky.social Happiest by or in the sea ๐ค๐ Global Channel Manager for MSSP Custodian360, part of The Cyber House Party team, Volunteer at The Cyber Helpline. Total cat lady ๐ค๐ค๐ค๐ฑ๐ฑ๐ฑ
Joe Gardiner @thecyberjoe.bsky.social Lecturer in Cyber Sec of CPS (ICS,OT, IoT) at the University of Bristol. Director and Instructor at @hacktonics.bsky.social
spencer @bsky.ethicalthreat.com ๐ ๏ธ Former Sysadmin, now Pentester | Microsoft MVP | Helping IT teams make their environment harder to attack
Pentesting -> SecurIT360
Podcast -> CyberThreatPOV
Active Directory Security Resources for IT Admins ๐
https://go.spenceralessi.com/adsecurity
Andrew Case @attrc.bsky.social Volatility Core developer, Dir. of Research Volexity, LSU Cyber
Craig Williams @craigwilliams.bsky.social I build threat intel stuff.
Taz Wake @tazwake.bsky.social DFIR & Threat Hunting Professional | Incident Responder | Certified SANS instructor | SANS Course Author | CISSP, CPP (etc) holder | I have no access to DMs.
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.
INTERPOL @interpol.int Connecting police & catching criminals in 196 countries for more than a century. ๐ต๏ธ
Follow our success stories here. ๐ฎโโ๏ธ๐๐ฎโโ๏ธ
โ๏ธ Report crimes to your local police.
Kenn White @kennwhite.bsky.social cryptography โข neuro โข cloud โข biscuits
ORD-DCA-NYC-BCN โ๏ธ
kennwhite@mastodon.social
Dan Conn @danconn.dev Staff Platform Security Engineer by day, bad musician by night. Also Hacker, Coder, Runner, Feminist.
5x Marathon Runner, 2x HM, 2x 10k๐
Personal Acc.
https://danconn.dev
Filippo Valsorda @filippo.abyssdomain.expert RC F'13, F2'17
Cryptogopher / Go cryptography maintainer
Professional open source maintainer
https://filippo.io / https://github.com/FiloSottile
https://mkcert.dev / https://age-encryption.org
https://sunlight.dev / https://filippo.io/newsletter
Martin Matishak @martinmatishak.bsky.social Senior Cybersecurity Reporter at The Record from Recorded Future News. Send tips to martin.matishak@therecord.media. Signal: mmatishak.80
404 Media @404media.co it's a website (and a podcast, and a newsletter) about humans and technology, made by four journalists you might already know. like and subscribe: 404media.co
Dan Goodin @dangoodin.bsky.social Cybersecurity Reporter, Ars Technica: https://arstechnica.com/author/dan-goodin/ Hungry for tips. Text me on Signal: DanArs.82. "The world isnโt run by weapons anymore, or energy, or money. Itโs run by little 1s and 0s, little bits of data."
Daniel Micay @daniel.micay.dev Security researcher/engineer working on mobile privacy/security. Founder of GrapheneOS.
GrapheneOS @grapheneos.org Open source privacy and security focused mobile OS with Android app compatibility.
https://grapheneos.org/
MetropleX @metroplex.bot Privacy is a Human Responsibility
Oversharing is not Caring
Priv/Acc
GrapheneOS Advocate
@grapheneos.org
Channels:
Discord: https://grapheneos.org/discord
Matrix: https://matrix.to/#/#community:grapheneos.org
Personal | Likes/Repost โ Endorsement
Phil Reitinger @philr.bsky.social (he/him) Principal Engineer. Cybersecurity, Jaguars and dogs. Mostly retired, chair of Common Good Cyber Fund Strategic Advisory Committee. Florida man.
Tonya Riley @tonyariley.bsky.social Writing weird girl lit. Rep: @starlingliterary.bsky.social
Greg Otto @gregotto.bsky.social @gregotto from twitter, now on bluesky. Editor-in-Chief at CyberScoop. Host of Safe Mode. Better with words than I am with code.
Joseph Cox @josephcox.bsky.social Hacking/crime/privacy journalist. Author of DARK WIRE, buy here: https://www.hachettebookgroup.com/titles/joseph-cox/dark-wire/9781541702691/#preorder Co-founder of 404 Media. Signal: joseph.404 Email: joseph@404media.co
Nicole Beckwith @nicolebeckwith.bsky.social Sr. Manager, Threat Operations @kroger ๐ CTI, Hunting, Detection Engineering, Insider Risk, Fraud & Forensics ๐ป Fmr LE & DFIR for OH & Secret Service TF. #FSD #w00w00 #CFC
Chris Bing @chrisbing.bsky.social Cyber, natsec and foreign affairs. Formers with ProPublica, Reuters and CyberScoop
https://bing-chris.medium.com/how-to-contact-me-d2fd4bd3ed7b
Sam Riddell @riddellsam.bsky.social Senior Analyst at Google Threat Intelligence Group. Focused on info ops & cyber threat intelligence.
MITRE ATT&CK @attack.mitre.org MITRE ATT&CKยฎ - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting โ endorsement.
Megan Stifel @megans.bsky.social Mom. Cyber & NatSec policy and law. Not what you might think.
๐บ๐ธ
Shannon Vavra @shanvav.bsky.social National Security & Cybersecurity | Priors: @cnas.bsky.social Fellow, National Security Reporter @thedailybeast.bsky.social, @cyberscoop.bsky.social, @axios.com | Probably in need of covfefe and a snack | shanvav01 on Signal
Sam Sabin @samsabin.bsky.social Axios cybersecurity reporter, taking it day by day โจ | ๐ฉ: sam.sabin@axios dot com, signal: SamSabin.01 (no pitches!), she/her
Chris Wysopal @weld.bsky.social Gray haired gray hat. Co-founder Veracode. Former L0pht security researcher. Builds tools to find and fix vulnerabilities in code at scale.
Whitney Merrill @wbm312.bsky.social I nudge people to care about privacy and security. CPO/DPO. Privacy/infosec lawyer. Hacker. Fighting for privacy, digital civil liberties & the users. Ex @EA @FTC |my views are my own. I used to post on Twitter at @wbm312.
Lee Foster @leefosterintel.bsky.social AI Security / Cyber Threat Intel / Disinformation / Influence Operations. Founder aspectlabs.ai, Adjunct at Johns Hopkins SAIS Alperovitch Institute for Cybersecurity Studies, formerly Director of Influence Ops Analysis at Mandiant. All views my own etc.
Christopher Glyer @cglyer.bsky.social Microsoft Threat Intelligence Center - Former Incident Responder & Chief Security Architect @Mandiant
David Priess @davidpriess.bsky.social Intelligence, geopolitics, and the Arctic | Vice President of Strategy, Emergent Risk International | Senior Fellow, Hayden Center | Former CIA & State Department | Duke poli sci PhD | Author, The Presidentโs Book of Secrets
hakan @hatr.bsky.social reporter covering cyber (both crime and state-sponsored) for Der Spiegel and ZDF, short overview at https://linktr.ee/hakantanriverdi, Signal: hakan.25
@halvarflake.bsky.social @halvarflake.bsky.social 
Catalin Cimpanu @campuscodi.risky.biz โ Cybersecurity reporter
โ
Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Robert Graham @erratarob.bsky.social @erratarob on the hellscape site
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
Dan Black @danwblack.bsky.social Previously Google, NATO, ๐จ๐ฆ Government. Views mine and mine only.
Danny Moore @moore.bsky.social Cyber-warfare | PhD from KCL | Author of 'Offensive Cyber Operations' | Security @ Meta 
Jason Kikta @kikta.net // Somehow a CTO/CISO
// JHU SAIS @alperovitch.institute adjunct
// @istorg.bsky.social adjunct sr tech advisor
// Former CNMF
// Retired US Marine Corps
// Personal views and invective
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
Bellingcat @bellingcat.com Bellingcat is a global collective uncovering facts to hold power to account. Our work is independent. Our methods are public. Our community is global.
Want to support our charity? bellingcat.com/donate