BeyondTrust @beyondtrust1.bsky.social 
Taggart @taggart-tech.com @mttaggart@infosec.exchange. Displaced Philly boy. Executive Director of @ifin-intel.org. Threat hunter. Educator. Dad. General in the AI Resistance.
taggartinstitute.org
wtfbins.wtf
linktr.ee/mttaggart
@nyxgeek.bsky.social @nyxgeek.bsky.social 
Kali Linux @kalilinux.bsky.social Kali Linux, The Most Advanced Penetration Testing Distribution. Ever.
Wireshark Foundation @wiresharkfoundation.org The Wireshark Foundation is a non-profit organization helping as many people as possible understand their networks as much as possible.
https://wiresharkfoundation.org
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
@yoda66.bsky.social @yoda66.bsky.social 
TrustedSec @trustedsec.com End-to-end Cybersecurity consulting team leading the industry, supporting organizations, and giving back. #HackThePlanet
https://trustedsec.com/
OWASP Juice Shop @owasp-juice.shop Probably the most modern and sophisticated insecure web application. Only we offer a 100% @owasp.org Top Ten incompliance guarantee! Skeets by @bkimminich.bsky.social
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
Dark Reading @darkreading.bsky.social One of the most widely read and trusted cybersecurity news sites, providing IT security professionals informed insights into the latest news and trends.
Brian Krebs (parody) @briankrebs.bsky.social Did you think your little ass could hide from me? Don’t worry this username will be forwarded to my federal buddies. I smoke all sim swappers and put them in some packs! 💯💯💯
parody
Black Hat @blackhatevents.bsky.social The world's premier Technical Cybersecurity Conference Series
Shodan @shodanhq.bsky.social Monitor your external network, search the Internet of Things and perform empirical market research. You can also find us on https://mastodon.shodan.io
Signal @signal.org Signal is a nonprofit end-to-end encrypted communications app. Privacy isn’t an optional mode, it’s the way Signal works. Every message, every call, every time. https://signal.org/donate/
PatrickmGarrity @patrickmgarrity.bsky.social I Draw Vulns and Build Cybersecurity Products
VulnCheck, Nucleus Security, Blumira, Censys, Duo Security
Malwarebytes @malwarebytes.com All-in-one cybersecurity that's always by your side
https://www.malwarebytes.com/
Josh Bressers @josh.bressers.name Mostly on Mastodon - VP of Security at Anchore - Open Source Security https://opensourcesecurity.io - Hacker History http://hackerhistory.com - He/Him
John Strand @strandjs.bsky.social I do cool Infosec stuff with cool people.
I will light the way by the bridges I burn.
Burp Suite @burpsuite.bsky.social Burp Suite is the leading software for web security testing.
PortSwigger Research @portswiggerres.bsky.social Web security research from the team at PortSwigger.
TraceLabs @tracelabs.bsky.social NFP with the mission of #crowdsourcing OSINT to help find #missingpersons while training members in the tradecraft of #OSINT | Contact us at info@tracelabs.org
| Visit our site for more info and Discord link: tracelabs.org
Lisa Forte @lisaforte.bsky.social Cyber security, climbing, caving and diving! 💜
Alyssa Miller 🦄👩✈️ @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
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
The Onion @theonion.com America’s Finest News Source. A @globaltetrahedron.bsky.social subsidiary.
Get the paper delivered to your door: membership.theonion.com
Join The Onion Newsletter: https://theonion.com/newsletters/
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
“Ut scandis, alios subleva.”
DEF CON @defcon.bsky.social The world’s premier hacker conference. Serving the global hacker community since 1993.
Defcon.org
Forum.defcon.org
Defcon.social
Huntress @huntress.com Managed endpoint protection, detection and response designed to help the 99% fight back against today’s cybercriminals.
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
WIRED @wired.com For Future Reference.
Sign up for our newsletters: https://wrd.cm/newsletters
Find our WIRED journalists here: https://go.bsky.app/Boj9b5E
@edskoudis.bsky.social @edskoudis.bsky.social 
Jeff Moss @thedarktangent.defcon.social.ap.brid.gy Founder of DEF CON & Black Hat. Maintainer of infocon.org.
Member of the UK Gov Cybersecurity Advisory Board & The Council on Foreign Relations.
Working to […]
🌉 bridged from ⁂ https://defcon.social/@thedarktangent, follow @ap.brid.gy to interact
Kuba Gretzky @mrgretzky.breakdev.org Offensive security tools developer. Malware developer, hobby music producer, bedroom DJ & ex-MMO game hacker. Creator of Evilginx / Bartender @ BREAKDEV RED.
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, Love💙 Go to SimplyCyber.io
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
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 🌻
Jack Rhysider @jackrhysider.bsky.social Creator of Darknet Diaries.
Verification: https://twitter.com/JackRhysider/status/1675298532406984707
ParrotOS @parrotos.bsky.social Parrot OS is a Linux distribution designed for security, privacy, and development. It's based on Debian and offers tools for penetration testing, digital forensics, and software development. Known for its lightweight nature and robust features.
Allan “Ransomware Sommelier” Liska @ransomwaresommelier.com Recorded Future - Ransomware Researcher
Owner @greenarcher.io - Yours Truly, Johnny Dollar | The Press Guardian | The Clock | The Green Archer
Weird mix of security, comics, photography and wine!
www.greenarcher.io
Smashing Security podcast @smashingsecurity.com Funny award-winning weekly podcast about hacking, cybercrime, and privacy with @grahamcluley.com.
https://www.smashingsecurity.com
👕 Merch https://www.smashingsecurity.com/store
Patreon: https://www.smashingsecurity.com/plus
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
Jessie @childofalliance.bsky.social I can hyper-focus for hours on the topic of InfoSec & Cybersecurity. Homeschooling parent. Foodie with allergies.
✡️
Uncle Joe @sydseter.com Co-leader OWASP Cornucopia. If you like what we do for open source, visit our code repository https://github.com/OWASP/cornucopia and give us a star ⭐
🌈 «Difference is of the essence of humanity» 🦄 – John Hume
#appsec #owasp #cornucopia #threatmodeling
Graylog @graylog.bsky.social 🌍 Trusted Threat Detection & Incident Response solutions. Experience the difference with our unmatched capabilities. #SIEM #APISecurity #LogManagement #InfoSec
SpecterOps @specterops.io Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management
Marcus J. Carey 🏴☠️ @marcusjcarey.com 🔥 Hope Dealer | 🙃 Table Flipper | 🎨 Artist
🌟 Tribe of Hackers, US Navy, NSA, DIA, Builder
💀 Hacker | 🗣️ InfoSec, Coding, GenAI
💡 Simplifying tech, mentoring, building communities
📚 My new books >> Spot the Wolf & Hacker Inc.
🔑 Legacy > clout
Olaf Hartong @olafhartong.nl Security researcher with a camera | @FalconForce.nl | Microsoft MVP | Snow man role model | https://youtube.com/@olafhartong
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
Red Siege @redsiege.com Penetration Testing, Purple Team, Red Team & Adversary Emulation.
Let our Offense, Prepare your Defense. https://redsiege.com
#weareoffensive
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
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!
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
Sami Laiho @samilaiho.com Keynote-speaker, Chief Research Officer, Microsoft MVP since 2011
More info: https://samilaiho.com/
CrowdSec @crowdsec.bsky.social Account run by Alpacas
CrowdSec is a CTI tool leveraging crowdsourced data to identify and block malevolent IPs in real time, worldwide.
Join our Discord: http://discord.gg/crowdsec
Tim Medin @timmedin.bsky.social Kerberoast Guy • RedSiege CEO • Hater of Pants • Former SANS 560 Author, Senior Instructor • Packers owner • Work Req: http://redsiege.com/contact
PortSwigger @portswigger.net We are a leading provider of software and learning on web security. We make Burp Suite and the Web Security Academy.
Binary Defense @binarydefense.com We bring the attacker’s mindset to every move, building defenses specifically designed to combat threats. Founded and led by practitioners who live and breathe security, we know what matters in the trenches - because we’re in them with you.
Graham Cluley @grahamcluley.com 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