Martin Untersinger @untersin.gr Cyber / disinformation / privacy / Big Tech / scams @ Le Monde
Contact: familyname @lemonde.fr
Auteur d'"Espionner, mentir, détruire : comment le cyberespace est devenu un champ de bataille", éditions Grasset : cyber.untersin.gr
Maggie Miller @maggiemiller.bsky.social Cybersecurity reporter for Politico based in DC. Also history, dog, and good TexMex taco nerd.
mmiller@politico.com, DM for Signal
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
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
James Pearson @pearswick.press Visual Investigations Journalist at @Reuters.com, via Hanoi, Seoul, Pyongyang and cyberspace. Now in London.
“A bum who wrote an ignominious jumble of stories”
- North Korea ★ ★ ☆ ☆ ☆
📞Signal ID: pearswick.01
💻: pearswick.press
Alexander Martin @alexmartin.bsky.social Journalist covering cybersecurity and intelligence. UK Editor at The Record from Recorded Future News. Dad of two.
🏠 Sheffield
📧 alexander.martin@therecord.media
📱 Signal: AlexanderMartin.79
Ollie Whitehouse @ollieatnowhere.bsky.social CTO at the UK's National Cyber Security Center 
The Digital Empress ⚜️ @thedigitalempress.bsky.social 📈
Barack Obama @barackobama.bsky.social Dad, husband, President, citizen. barackobama.com
The Athletic @theathletic.com Get every sports story that matters.
Wild West Hackin' Fest @wildwesthackinfest.bsky.social Join us for Wild West Hackin' Fest - Deadwood 2026! Con: Oct. 7-9, 2026, Pre-Con Training: Oct. 6-7, 2026
Intigriti @intigriti.com Bug bounty & VDP platform trusted by the world’s largest organisations! 🌍
linktr.ee/hackwithintigriti
Kat Traxler @nanook.bsky.social Your Friendly Cloud Antagonist
Proficient at drawing the rest of the 🦉
Burp Suite @burpsuite.bsky.social Burp Suite is the leading software for web security testing.
0xacb @0xacb.com Hacker grinding for L1gh7 and Fr33dφm, straight outta the cosmic realm.
Co-founder @ethiack.com
https://0xacb.com
Soroush Dalili 🍏🍐 @irsdl.bsky.social Hacker (ethical), web appsec specialist, trainer, tools builder & apps breaker, X: @irsdl
https://secproject.com/
https://soroush.me/
https://burpsuite.ninja/
hakluke @hakluke.com Dad, hacker, solo founder of haksec.com and hackercontent.com.
STÖK @stokfredrik.bsky.social Hacker / Creative
Mischief & GOOD VIBES ONLY
Alex Chapman @ajxchapman.bsky.social Full Time #BugBounty Vulnerability Researcher
https://blog.ajxchapman.com
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
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
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
TomNomNom @tomnomnom.com Computer booper and food enthusiast. He/him.
d0nut @d0nut.dev 🦀 Rust + Security 🔑
Rachel Maddow @maddow.bsky.social Mondays at 9pmET on MS NOW
MaddowBlog.com
TracketPacer @tracketpacer.com 🚀rockit network engineer
👩🏼💻ethernet fangirl
🛜 weird use cases & silly tech!
💌 tracket@tracketpacer.com
🌎 tracketpacer.com
Fight for the Future @fightforthefuture.org 👊 Battling techno-fascism with our Internet-savvy blend of attention-grabbing activism and mass mobilization.
https://www.fightforthefuture.org/2026
Volatility @volatilityfoundation.org Official account of the Volatility Memory Analysis Project and Windows Malware and Memory Forensics Training. http://volatilityfoundation.org
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.
Antisyphon Training - Powered by BHIS @antisyphontraining.bsky.social Affordable and accessible cybersecurity training that doesn't suck.
Featuring cybersecurity practitioners, former SANS instructors, and industry recognized leaders from all over the world.
https://www.antisyphontraining.com
d4d @zakfedotkin.bsky.social Zak Fedotkin
All thought are mine and mine alone
Red Siege @redsiege.com Penetration Testing, Purple Team, Red Team & Adversary Emulation.
Let our Offense, Prepare your Defense. https://redsiege.com
#weareoffensive
TrustedSec @trustedsec.com End-to-end Cybersecurity consulting team leading the industry, supporting organizations, and giving back. #HackThePlanet
https://trustedsec.com/
Andy Carvin @acarv.in Director of investigations, @weareoversight.bsky.social. Former managing editor and current nonresident senior fellow, DFRLab.org. NPR and Reported.ly alum. Woodturner, veteran of the prolactinoma wars. Calling BS is my calling. I used to tweet a lot.
Natalia Antonova🇺🇸🇺🇦 @nataliaantonova.bsky.social Ukrainian-American. Writer. President, Concerned MILFs for America. Safer Dating Now creator. OSINT, but making it girly. Advocate for the glorious Normie Restoration ☀️
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
Craig Silverman @craigsilverman.bsky.social Cofounder of https://indicator.media, your essential guide to understanding and investigating digital deception. Sign up for free! Investigative journalist and OSINT trainer.
https://craigsilverman.ca
Shayan Sardarizadeh @shayan86.bsky.social BBC Verify senior journalist | verification, AI, disinformation, conspiracy theories, open source investigations | shayan.sardarizadeh@bbc.co.uk
Dr. Manisha Ganguly @manisha.bsky.social The Guardian's investigations correspondent & visual forensics lead. Currently writing a book. tech x conflict x human rights. friend to cats. manishaganguly.com
kate conger @kateconger.com tech reporter for the NYT!
co-author of CHARACTER LIMIT!
signal: kateconger.11
buy our book: https://www.penguinrandomhouse.com/books/737290/character-limit-by-kate-conger-and-ryan-mac/
tour dates & translations: https://linktr.ee/kateconger
Jenna McLaughlin @jennamclaughlin.bsky.social NPR Correspondent covering technology and national security.
Send me a tip: Text JennaMcLaughlin.54 on Signal from personal (nonwork) devices.
Jason Haddix @jhaddix.bsky.social CEO, CISO, Trainer, Hacker, and Speaker.
AI + hacking + sec leadership.
ex:BuddoBot-Ubisoft-Bugcrowd-Fortify-HP-Redspin-Citrix.
OSINT-Research 🕵️ @osint-research.bsky.social Connecting.The.Dots.
Finds it!
Posts about #OSINT, #GeoInt, #HumInt; some #OpSec, #InfoSec & a bit of #Python
🗂️: linktr.ee/osint_research
🔎: beacons.ai/osint_research
🔗: start.me/p/rxekAP/osint-research
🔗: start.me/p/p1qj2E/osint-extensions
Raid Owl @raidowl.bsky.social Hey, I'm Brett. I run a tech YouTube channel called Raid Owl that's mostly about home labbing, networking, and general tech stuff. Follow me cuz sometimes I say funny stuff.
Adi Wong @8dee.bsky.social #Cybersecurity #InfoSec
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
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
Sam Curry @zlz.bsky.social 
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
CyberCanon @cybercanon.org We vet #Cybersecurity books. Our reviews are written by real life experts, heroes, and hackers who led through the biggest exploits.
www.cybercanon.org
Also known as the Cybersecurity Canon Project
Founded: 2013
BleepingComputer @bleepingcomputer.com Breaking cybersecurity and technology news, guides, and tutorials that help you get the most from your computer. DMs are open, so send us those tips!
Accidental CISO @accidentalciso.net I accidentally became the CISO. I didn't want this job, but the job chose me. I'm scared, and I want to go home.
https://www.accidentalciso.net
Jack Rhysider @jackrhysider.bsky.social Creator of Darknet Diaries.
Verification: https://twitter.com/JackRhysider/status/1675298532406984707
The Hacker News @thehackernews.bsky.social #1 Most trusted publication for breaking cybersecurity and hacking news, insights, and analysis for information security professionals.
Chris Bianchi @bianchiweather.bsky.social 9NEWS Senior Meteorologist | AMS CHALA Broadcast Lead 🇨🇱 | NWA Seal of Approval | ⚽ PxP
The Guardian @theguardian.com The need for independent journalism has never been greater. Become a Guardian supporter https://support.theguardian.com
🇺🇸 Guardian US https://bsky.app/profile/us.theguardian.com
🇦🇺 Guardian Australia https://bsky.app/profile/australia.theguardian.com
The Wall Street Journal @wsj.com Since 1889 🗞️
Sign up for our newsletters and alerts: http://wsj.com/newsletters
Got a tip? http://wsj.com/tips
Follow our staff: https://go.bsky.app/2ppWqxF
Los Angeles Times @latimes.com News from a West Coast perspective.
Read more at www.latimes.com.
The Washington Post @washingtonpost.com Democracy Skies in Blueness
Bloomberg News @bloomberg.com The first word in business news.
Newsletters: http://bloom.bg/newsletters
Podcasts: http://bloom.bg/podcasts
The Big Take podcast: http://trib.al/jtoXfuT
CNBC @cnbc.com First in business worldwide. 💰
The New York Times @nytimes.com In-depth, independent reporting to better understand the world, now on Bluesky. News tips? Share them here: http://nyti.ms/2FVHq9v
CNN @cnn.com Asking the hard questions and bringing unique perspectives from across the globe. This is CNN.
d4rkm4tter @darkmatter.bsky.social Hacker by day... and night
#WiFiCactus | #WiFiKraken
apexstorage.com
Rachel Tobac @racheltobac.bsky.social Hacker & CEO @SocialProofSec security awareness/social engineering training, videos, talks | 3X @DEFCON🥈 | Ex Chair @WISPorg | Ex @CISAgov Technical Advisory Council under Director Jen Easterly
Troy Hunt @troyhunt.com Creator of Have I Been Pwned. Microsoft Regional Director. Pluralsight author. Online security, technology and “The Cloud”. Australian.
The Citizen Lab @citizenlab.ca We are an academic research unit at the University of Toronto investigating novel threats to democracy, human rights, and global security in the digital ecosystem.
Sam Sabin @samsabin.bsky.social Axios cybersecurity reporter, taking it day by day ✨ | 📩: sam.sabin@axios dot com, signal: SamSabin.01 (no pitches!), she/her
Daniel Micay @daniel.micay.dev Security researcher/engineer working on mobile privacy/security. Founder of GrapheneOS.
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
INTERPOL @interpol.int Connecting police & catching criminals in 196 countries for more than a century. 🕵️
Follow our success stories here. 👮♂️🚔👮♀️
✍️ Report crimes to your local police.
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
Lukasz Olejnik @lukaszolejnik.bsky.social Security & Privacy. Data Protection. Research & Development. Engineering. Analyst. Policy. W3C. Consultant. Author. King’s College London/War Studies. me@lukaszolejnik.com
lukaszolejnik.com/books
blog.lukaszolejnik.com
techletters.substack.com
Claudia @signorina37.ransomnews.online behavioral #cybersecurity & reputation strategist • social engineer • OSINT/SOCMINT/HUMINT • #cyberculture • security awareness & human risk education • COBOL programmer • #nerd
🔺 co-founder @ransomnews.online
外人
https://signorina37.ch
UK_Daniel_Card @mrr3b00t.bsky.social 
Mastering Burp Suite @mastering-burp.agarri.fr Tips and tricks for Burp Suite Pro 🛠️
Not affiliated with @portswigger.net ©️
Managed by @agarri.fr 🇫🇷
Additional free resources 🎁
http://hackademy.agarri.fr/freebies
Tanya Janca | SheHacksPurple @shehackspurple.bsky.social Secure Code Trainer - Best-selling author of Alice and Bob Learn Secure Coding & Alice and Bob Learn Application Security. #AppSec she/her
https://shehackspurple.ca 🌻
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 I’ve grown up right?
Tib3rius @tib3rius.bsky.social Web App (mostly) Hacker | Cybersecurity Educator | Content Creator | Ex-Brit | Links: http://linktr.ee/tib3rius (he/him) 🇺🇸 A mostly unserious person. @therealc3rul34n.bsky.social is bae 🥰
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.
James Kettle @jameskettle.com Director of Research at @portswigger.net
Also known as albinowax
Portfolio: https://jameskettle.com/
PortSwigger @portswigger.net We are a leading provider of software and learning on web security. We make Burp Suite and the Web Security Academy.
PortSwigger Research @portswiggerres.bsky.social Web security research from the team at PortSwigger.
OWASP® Foundation @owasp.org We improve the security of apps with community-led open source projects, 260 local chapters, and tens of thousands of members worldwide. Famous for OWASP Top 10
kingthorin_rm @kingthorin.bsky.social IT Sec guy, zaproxy co-lead, WSTG co-lead, VWAD co-lead, OWASP Ottawa volunteer, Hac≺3r, supporter of oxford commas, #INTJ. (Opinions == mine) 🍁
Meshtastic @meshtastic.org Meshtastic is an open-source project enabling off-grid, decentralized communication using low-cost, low-power devices. Perfect for adventurers, makers, and communities looking for resilient mesh networks without having to rely on traditional infrastructure
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/
Joseph Menn @joemenn.bsky.social Washington Post alum covering hacking, disinformation and what’s left of privacy. Author of books on the Cult of the Dead Cow, organized criminal hacking, and Napster. Pulitzer co-finalist 2024. Signal joemenn.01
Dmitri Alperovitch @dmitri.silverado.org Geopolitics, Russia, China, Cyber
Chairman @silverado.org
Author of WorldOnTheBrink.com
Host GeopoliticsDecanted.com podcast
Founder Alperovitch Institute for Cybersecurity Studies at Johns Hopkins SAIS
Co-Founder CrowdStrike
@DAlperovitch elsewhere
Kim Zetter @kimzetter.bsky.social Journalist - cyber/natn'l security. Speaker. Georgetown adjunct prof. Author - COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon
Signal: KimZ.42
https://www.zetter-zeroday.com
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
Dustin Volz @dustinvolz.bsky.social Washington correspondent for The New York Times focused on cyber conflict, digital espionage and intelligence. Prior stops at WSJ, Reuters, National Journal. https://www.nytimes.com/by/dustin-volz
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
@mikko @mikko.bsky.social Fighting malicious use of technology.
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
Eric Geller @ericjgeller.com Senior reporter at @CybersecurityDive.bsky.social covering all things digital security. I also co-host @hothtakes.bsky.social. | Send me tips: https://ericjgeller.com/contact.html
Ellen Nakashima @ellenwapo.bsky.social Intelligence and national security reporter at The Washington Post. Reach me securely on Signal at Ellen.626.