now available as a browser extension
An independent research lab exploring the future of tools for thought.
We envision a new computer that amplifies human intelligence. A system that helps you think more clearly, collaborate more effectively, and is available anywhere and anytime.
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
👀 Tracking all things Valve and Steam.
ℹ️ We are not affiliated with Valve in any way.
🦋 By @xpaw.me 🌐 https://steamdb.info/
Tech lead for workers.cloudflare.com
Also made: capnproto.org, lanparty.house, sandstorm.io
@KentonVarda on Twitter.
Director of Research at @portswigger.net
Also known as albinowax
Portfolio: https://jameskettle.com/
I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
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 🌻
Creator of Darknet Diaries.
Verification: https://twitter.com/JackRhysider/status/1675298532406984707
Loves Jesus, loves others | Husband, father of 4, security solutions architect, love to learn and teach | Microsoft MVP | @TribeOfHackers | 🐘infosec.exchange@nathanmcnulty
Cybersecurity Reporter, Ars Technica: https://arstechnica.com/author/dan-goodin/ Hungry for tips. Text me on Signal: DanArs.82. "The world isn’t run by weapons anymore, or energy, or money. It’s run by little 1s and 0s, little bits of data."
Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
writes citationneeded.news • runs @web3isgoinggreat.com and @followthecrypto.org • tech researcher and cryptocurrency industry critic • software engineer • wikipedian
support my work: citationneeded.news/signup
links: mollywhite.net/linktree
💗💜💙
senior researcher at @citizenlab.ca
Award-winning #cybersecurity keynote speaker, writer, podcaster | Host of multi-award-winning @smashingsecurity.com podcast.
❤️ #DoctorWho, #Beatles, #Chess
He/him
🌐 https://grahamcluley.com
🎙️ https://www.smashingsecurity.com
Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
loves dogs, sports, memes. she/her. podcaster. "bluesky's humblest resident nailfluencer 💅" - Jerry
my heart is in the west 🌵🌊 views mine.
Every day I write about #osint (Open Source Intelligence) tools and techniques. Also little bit about forensics and other cybersecurity related themes
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?
hacker, poster, weird machine mechanic
https://chompie.rip
Security Engineer / IAM Security. Defending against people like me.
Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
Executive Director for Intelligence and Security Research @ SentinelOne.
Distinguished Fellow and Adj Professor @ Hopkins SAIS Alperovitch Institute. Three Buddy Problem Co-Host. LABScon Founder, Cyber Paleontologist, Fourth-Party Collector.
You may know me from your server logs.
#Malware, Hacks, Internet Scanning, #CTI
Cybersecurity Specialist, Public Speaker, Ex-Hacker.
https://marcushutchins.com
Security and privacy nerd, online since the early 90s, poker player, fitness enthusiast, iconoclast, lifelong learner, secular homeschool mom, reader, animal lover, glp-1/peptide obsessed,
User #216 used to tweet from
https://twitter.com/jennicide
Security. People matter most. Get off X, fool.
stonking.com/waitlist 👀
Cyber journalist at Bloomberg News in DC. Signal: @howelloneill.01, email: patoneill1@bloomberg.net https://www.bloomberg.com/authors/AXb8dLPHBFc/patrick-howell-oneill
Head of Security @ New Harbor
Security, rock and roll, dad jokes. Fan of The National and The Nationals. Former CTO at EMILY’s List.
msager.25 on Signal
Half awake, in a fake empire.
I have friends everywhere.
He/Him
Computer booper and food enthusiast. He/him.
Product Manager @microsoft | Creator of bluesky.ms • cmd.ms • idPowerToys.merill.net • Graph X-Ray • 🇦🇺 • 🇱🇰 • Posts my own
http://youtube.com/@merillx
Sign up to my newsletter https://entra.news
Journalist, gadfly, anarchist, petsitter. Petsitting pays the best. Bjork once called me cool. “The Lois Lane of Anonymous” according to some.
Principal Identity Security Researcher @Microsoft. Ex-Secureworks (PhD, MSc, MEng, CITP, CCSK).
And yes, opinions are my own ;)
Cloud security historian.
Developed http://flaws.cloud, CloudMapper, and Parliament.
Founding team for fwdcloudsec.org
Principal Cloud Security Researcher at Wiz.
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
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
Placeholder profile : https://x.com/cyb3rops | glad to be in this respectful safe space | vi/vim
A circus artist with a visual studio license
cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Writer for WIRED. Author of SANDWORM. Latest book, TRACERS IN THE DARK: The Global Hunt for the Crime Lords of Cryptocurrency, out now. agreenberg@wired.com. Andy.01 on Signal.
Friendly Neighborhood CTI Analyst | Children’s Book Author | Lego builder | Gamer | She/Her
Cloud security, hacker, run/bike/drown, TK11940 in the 501st, itinerant disaster paramedic, private pilot, and other stuff. @rmogull on Signal
SVP of Cloud Security at FireMon. CEO of Securosis. Both totally made up titles.
https://slaw.securosis.com
Friendly neighborhood cybersecurity guy | expect infosec news, appsec, cloud, dfir. | Long Island elder emo in ATX.
vulnu.com <- sign up for my weekly cybersecurity newsletter
Hacker & CEO @SocialProofSec security awareness/social engineering training, videos, talks | 3X @DEFCON🥈 | Ex Chair @WISPorg | Ex @CISAgov Technical Advisory Council under Director Jen Easterly
Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
Geek, curious hacker, 3D print, CNC, IT security, nerd, malware analyser, maker, electronics, coder, Hobbyist machinist, DIY, Forensics, Blue team, Red team.
Twitter handle was @ToomsDK
🚀rockit network engineer
👩🏼💻ethernet fangirl
🛜 weird use cases & silly tech!
💌 tracket@tracketpacer.com
🌎 tracketpacer.com
software engineer @ fintech- content creator @ http://links.ali.dev - threatwire host @hak5 - @breakingthepod - nyc - ex @miteecs - jewish
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 🥰
Networking • Hacking • Hacking Networks (she/her)
shenet.works
computer security person. former helpdesk
Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
The world’s premier hacker conference. Serving the global hacker community since 1993.
Defcon.org
Forum.defcon.org
Defcon.social
Technology news and analysis with a focus on founders and startup teams.
Got a tip? http://techcrunch.com/tips
Research & code: Research director @inria
►Data, Health, & Computer science
►Python coder, (co)founder of scikit-learn, joblib, & @probabl.bsky.social
►Sometimes does art photography
►Physics PhD
Partner Research Manager at Microsoft Research NYC. AI, Economics, Decision Science.
Senior Manager Data Science and Engineering at | Docker Captain 🐳| Time-series analysis & forecasting
My newsletters:
Weekly updates: https://ramikrispin.substack.com
AIOps: https://theaiops.substack.com
Forecasting: https://theforecaster.substack.com
#rstats Data Science ⚒️ @ThePCCTC
#RLadies Leadership Team http://rladies.org 💜
former prof at Cal Poly SLO & Emory
blogger & workshop instructor
Data nerd/wonk. Founder of Connected by Data, campaigning for communities to have a powerful say over data and AI.
Into trans rights, neurodiversity, board games, lego, dogs, spreadsheets.
www.jenitennison.com
Principal Data Specialist at the ODI. Formerly at DefraGovUK. Treasurer at 20th Sheffield Scouts. Geography geek. Husband & dad. Slightly epileptic.
Head of Data Science and AI at idealista.com | Film photographer | Ph.D. in Economics | Sharing my digital garden at pelayoarbues.com | Working full remote from the North of Spain
Hacker. Friend. Cybersecurity Researcher at Huntress.
AWS WebApp Pentester // I made a blog at Dotwut.io // idk how to farm engagement so this is all you get
Staff Security Researcher @datadoghq | DEF CON/Black Hat USA main stage speaker | he/him | OSCP OSWE | I turned hacking AWS into a career | Tweets are my own | Created https://hackingthe.cloud
#SocialEngineering, #Psychology, #HUMINT & #OSINT intertwined for the sake of security.
Hacker, CTF, CCDC, BJJ Brown Belt, python, rust, malware
https://www.offensivecontext.com
https://puck.tools
https://www.malicious.fit
Señor Application Engineer at a 10 person sonar shop. Former ChE, now generalist dev. Puzzles, building random stuff, hiking, climbing, learning, bad jokes and good beer.
Writing about things here: https://heathhenley.dev
Look you gotta have some kind of monitoring for vuln intelligence so why not have fun with it. New high sev vulns described as Slayer songs. WIP, might switch to just new KEVs.
Defending against cyber threats with the latest news, tips, and practical solutions. Join our community to stay informed, share knowledge, and protect what matters most—your privacy and peace of mind in the digital world!
#Cybersecurity and #InfoSec by Trade and content creator by night for #Tech, Cybersecurity, #IT, #Linux, #AmateurRadio, and #GamingonLinux
Twitch | YouTube | TikTok | Mastodon
CISSP
Socials and Tipping: https://links.chiefgyk3d.com/socials
#OpenSource
✍ Author of Cloud Security Handbook & Security for Cloud Native Applications
☁ Cloud Security Architect (AWS · Azure · GCP)
📝 Blogger & public columnist
🔒 Certs: CISSP • CCSP • CISM
💭 All opinions are my own
Website: https://linktr.ee/eyalestrin
she/her
Beep boop I do computer 🏳️⚧️
Cyber security | Vidya james | Photography | hot takes | ALL traffic barrel
Ramblings: https://shadylink.lol/blog/
Photography: patreon.com/boatplugs
Cybersecurity fella. That Fraud Guy. Occasional chef. Musician and composer. Writer and presenter for Dark Reading and other places. Writing CISO Intelligence one day at a time. Fled the UK to Northern Portugal.
Social networking technology created by Bluesky.
Developer-focused account. Follow @bsky.app for general announcements!
Bluesky API docs: docs.bsky.app
AT Protocol specs: atproto.com
Potential game show contestant.
Former Axios, The Hill, Passcode. Founder of the Codebook cybersecurity newsletter. Once got lost in a Starbucks.
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
In alphabetical order: Technology, #Marketing, wine, archery, travel and cycling - oh my!!!
#goducks
Author of No Shortcuts & Ransom War
Co-director Virtual Routes (https://virtual-routes.org/), previously ECCRI
Managing Editor Binding Hook (https://bindinghook.com)
Senior Researcher, ETH Zurich
Summarizes the hottest content on r/cybersecurity once per hour. Warning, the summaries are generated by an LLM and are not guaranteed to be 100% correct. Operated by @tweedge.net, open source @ https://github.com/r-cybersecurity/best-of-bot
climate scientist
posts 100% my own
🇨🇦 is my home
distinguished professor & chair, Texas Tech
chief scientist, The Nature Conservancy
board member, Smithsonian NMNH
alum, UToronto and UIUC
author, Saving Us
Dr of Zoology
Data Scientist
Science feed co-creator
NYT bestselling author of #DoesItFart🐢💨
Old man gamer, lover of retro games (especially RPGs), computer geek, writer, retired streamer. Guy who's reviewed over 500 RPGs and always hunting for more awesome ones.
https://www.spoonshiro.com
https://www.rpgreats.com
The DEFINITIVE site for video game literature 📚 🇨🇦
👉 www.thevideogamelibrary.org
Over 10,000 Video Game Books catalogued❗️
New books added daily.
• Join the Discussion: http://discord.gg/4JqJUs2s2n
• Support: https://thevideogamelibrary.substack
A boosted gamer. Bit of a scoundrel.
YouTube: https://www.youtube.com/@Defh_GFL2
Twitch: https://www.twitch.tv/defh___
Discount Keanu Reeves ☽ I let 2D women ruin me so you don't have to ✦ Failed Isekai Protagonist turned gym bro ‧ Degen ‧ Weeb
ominous & sexy
Certified chaotic • Cosplayer/streamer • Circus baby
https://linktr.ee/gamergorlgabs
i shitpost now and again but i'm not really online anymore, social media is boring
working on a game that I might release eventually
Software Engineer • Married • RPG Addict
Gamer 🎮 | Baldur’s Gate 3 🗡️ | Xenoblade Chronicles | Final Fantasy | Fallout | Witcher 3 👾
Indie Game dev | multi-platform gamer (Xbox, PS, Nintendo, PC) | FF XIV | Legend of Zelda | Final Fantasy | Kingdom Hearts | anime enjoyer | St Louis Cardinals and Blues fan | wrestling fan | she/her | Aly & Bridgett 12/20/21
Neither ant nor small
Twitch.tv/SmallAnt