NSIST @nsistuk.bsky.social National Signals Intelligence and Security Trust (www.nsist.org)
The Cyber Show UK @cybershowuk.bsky.social Cybersecurity podcast with top guests, events & banter on Dignity, Education, Surveillance State, Tech, Art, AI, Technofascism & more!
Website: cybershow.uk
YouTube: youtube.com/@cybershowuk
Spotify: open.spotify.com/show/0av5zTSOSIuBBtOjqjJWFc
Per Thorsheim @thorsheim.bsky.social Founder of #PasswordsCon. Above average interested in passwords & digital authentication. Online since 2400baud. I made the world use RFC 3207 STARTTLS for email encryption.
@abuse-ch.bsky.social @abuse-ch.bsky.social Fighting malware and botnets
dogesec @dogesec.com We build software for cyber #threatintelligence analysts.
https://www.dogesec.com/
Hackmanac @hackmanac.com We track verified, real-world cyber attacks to help you develop effective Cybersecurity strategies. Try HackRisk.io, your Strategic Threat Intelligence platform.
🌐 hackmanac.com
🌐 hackrisk.io
@mindgard.ai @mindgard.ai Cybersecurity for AI :: https://mindgard.ai/
Distributed Denial of Secrets @ddosecrets.org DDoSecrets is a 501c3 journalist non-profit devoted to publishing and archiving leaks and other data in the public interest.
DDoSecrets.org
LibraryOfLeaks.org
https://en.wikipedia.org/wiki/Distributed_Denial_of_Secrets
DonorBox.org/ddosecrets
Robert Auger @robertauger.bsky.social 25 years Appsec,PurpleTeam,Web Application Security Consortium(WASC) cofounder,Baythreat Organizer,Ex-PayPal/eBay/Box/Workday/Coinbase infosec. http://Sectemplates.com | https://www.cgisecurity.com/ | https://github.com/securitytemplates/sectemplates
PaperMtn @papermtn.co.uk Cyber Security | Enthusiast of nature, chequered shirts and lists of three | DevSecOps | AI | Cloud | papermtn.co.uk | github.com/PaperMtn
elttam @elttam.bsky.social Expert-led penetration testing, supported by AI-assisted analysis, to uncover real weaknesses and strengthen systems against real-world threats.
Phat Hobbit @phat-hobbit.bsky.social CISO Inversion6.com, CTO Octopi Managed Services, CyberEd Board Member, Gartner Peer, Defcon SOC Goon, Amateur Dentist & Infosec Fashionista - opinions expressed are my own.
BSides London @bsideslondon.bsky.social 📅 13 Dec 2025 | 📍 Novotel London West
Grassroots-driven security conference.
Built by the local InfoSec community, for the community.
Web: https://BSides.London
X/Twitter: https://x.com/BSidesLondon
#BSidesLDN2025
r/netsec bot @r-netsec.bsky.social Mirrors r/netsec, "a community-curated link aggregator of technical information security content." Unofficial. Operated by @tweedge.net, open source @ https://github.com/tweedge/xpost-reddit-to-fediverse
Dave Aitel @daveaitel.bsky.social 
Richard Bejtlich @taosecurity.bsky.social Former USAF intel officer. Early info war practitioner. Created GE-CIRT. Mandiant's first CISO. #NetworkSecurityMonitoring for @corelight-inc. Author. Latest books #ad amzn.to/3B2AcMc
JoshCorman @joshcorman.bsky.social Philosopher-Strategist-Protector… more later 
@mikko @mikko.bsky.social Fighting malicious use of technology.
DilDog 🅅 @dildog.l0pht.com Tech Dysangelist
cDc/hack.xxx/Veilid
Support Veilid! Badge: 🅅 www.veilid.com
Merch at: @hack.xxx
he/him/"hey buddy"
ᴅᴀɴɪᴇʟ ᴍɪᴇꜱꜱʟᴇʀ @danielmiessler.bsky.social AI / Security Researcher and Entrepreneur.
Founder/CEO of Unsupervised Learning.
Building AI that upgrades humans.
HD Moore @hdm.io runZero & Metasploit
Rob May @robmay70.bsky.social ⭕ Cybersecurity Ambassador | 💡#AI Thought Leader | ⚙ Founder @ramsac_ltd | 🎙️ TEDx & Keynote Speaker | 📚 Author | 🚀 Insights on #HarnessingAI & #Infosec
RocketMe Up Cyber @rocketmeupcyber.bsky.social Detect, Defend, Defeat – Building robust #CyberResilience for organizations through advanced, future-proof #CyberSecurity solutions.
Lemmy: https://lemmy.ml/c/rocketmeup
Matrix: https://matrix.to/#/#rocketmeup:matrix.org
Telegram: https://t.me/rocketmeup
The Hacker News | #1 Trusted Source for Cybersecurity News [Uno… @thehackernews.com.web.brid.gy The Hacker News is the top cybersecurity news platform, delivering real-time updates, threat intelligence, data breach reports, expert analysis, and actionable […]
🌉 bridged from 🌐 https://thehackernews.com/: https://fed.brid.gy/web/thehackernews.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!
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.
Barry Murrell @barry.wlkthru.io Founder of wlkthru.io
@wlkthru.io we help Businesses manage their Cyber Security risks.
🌐Automated Pentests
👾Gamified Learning
🤖Sims - Phishing Vishing Smishing
🏆Company Leaderboards
🧑🤝🧑Teams
Plus more...
🔒Keeping your Team & Customers safe
nean @bnean.bsky.social #Cybersec #Infosec #Privacy #QKD
jwics @jwics.bsky.social Regional Operations Director at S32 Technologies focused on Next Generation Signals Intelligence, Cyberwarfare & Satellite Engineering
Debra M. Fezza Reed @dmfezzareed.bsky.social Product Owner | Business Analyst | Certified SAFe® Practitioner | Reference SA/SME | Cybersecurity Expertise
Replying/Following/Reposting ≠ Endorsement.
❤️🤍💙 🌊 🕊️ 🗽🧡 ☮️ 🧩
🚫XXX 🚫MAGA 🚫Crypto 🚫DM 🚫Solicitation🌟 Professional Profile 🌟
Faction Security @factionsecurity.com Faction is an open-source tool for:
- Automated Pentest Reporting
- Track Vulnerability Remediation
- Collaborate With Your Team
- and more
https://www.factionsecurity.com
#appsec #redteam #securitytools #cybersecurity #infosec #hacking
@jackal3452.bsky.social @jackal3452.bsky.social 
Magnus Goksöyr @collaboright.bsky.social Microsoft MVP. M365, Microsoft 365 Copilot, Microsoft Teams. Modern Work, Cloud Productivity, M365 Governance, Collaboration
override @override.bsky.social IT Generalist | Cybersecurity🔒 | Web Exploitation | Reverse Engineering
Administrative Justice Activist UK @activistuk.bsky.social 376 AD: Rome brings 'no one is judge in their own cause' to Britain. Government still acts as judge and jury in its own cause—to obstruct justice and evade accountability. Scales of justice aren't broken—they were never meant to balance in the first place.
Fully Digital Future @fullydigitalfuture.bsky.social Your apocalypse buddy! Art, music, news, and links related to science, entertainment, technology, science fiction, and the looming cyberpunk apocalypse.
AI is dangerous. The future is frightening. But I'm hopeful and full of love for all humans.
Rowan Singer @flosssinger.bsky.social strong opinions on psycho social stuff
DMs Open
David @ InnoVirtuoso @innovirtuoso.bsky.social Blog @ www.InnoVirtuoso.com | InfoSec, Cyber, AI Enthusiast | I write about Tech and News, AI, BCI, and other IT stuff.
Contact me at 📧 info@innovirtuoso.com
Leena Oikkonen @leenaoikkonen.bsky.social Pohdiskelija, mieluiten kartalla.Views my own, reposting does not imply endorsement. Following our world's future. Hopeful when questioning the present. Helsinkienne-Bruxelloise-Européenne. One life. C'est parti!
Eyal Estrin ☁️ @eyalestrin.bsky.social ✍ 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
Kirk Becker @cepheus.us
Husband, Father, IT Security, Curmudgeon Geek, & ranter. Everything I say is my own thoughts & not of my employer Fediverse: @cepheuskb@infosec.exchange, Xitter - cepheuskb - the rest of my socials & website found @ https://linktr.ee/cepheuskb
John E Dunn @dourscot.co.uk Yet another cybersecurity journalist. 'Technology is like an orchestra with no conductor.' 
John Kennedy @mrjohnfkennedy.bsky.social Editor of www.thinkbusiness.ie at Bank of Ireland | Former Editor of www.siliconrepublic.com | Former Tech Editor at Business & Finance | Fascinated by all things entrepreneurial, inspirational and technological.
Centre for Finance and Security (CFS) at RUSI @cfs-rusi.bsky.social Specialising in the intersection of finance and global security
RUSI @rusi.bsky.social Royal United Services Institute for Defence and Security Studies. Founded in 1831, RUSI is the oldest defence and security think tank in the world.
Website 💻: https://rusi.org/
WhatsApp 📱: https://bit.ly/4h0M5FQ
HackerOne @hacker0x01.bsky.social The Only official HackerOne bsky account.
Peace of mind from security's greatest minds.
#HackForGood
Black Hat @blackhatevents.bsky.social The world's premier Technical Cybersecurity Conference Series
Sophos @sophossecurity.bsky.social Defeat Cyberattacks
The Cyber (in)Security Hub @cybersecurity.bsky.social Former NSA hacker; Cyber Expert; Current CISO, TV Cyber Expert & Keynote Speaker
Twitch.tv/cyber_insecurity
topmate.io/neal_bridges
https://linktr.ee/cyber_insecurity
#cybersecurity #redteam #hacking #blueteam #securityoperations #ciso
InfoSec @infosec.skyfleet.blue Relay Tracking News & Blogs about infosec, cybersec
- source removal/addition suggestions welcome !
CVE : check out @cve.skyfleet.blue
🆘 @skyfleet.blue
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
Phill Moore @phillmoore.bsky.social 
({({(Null Operator)})}) @null0perat0r.bsky.social | 🔐 appsec | 🤓 CTO | ✨ indy hacker | 🎛️ modular synth | 🪳 coder | 🏕️ camping
Developer of Faction: an open source pentesting framework.
https://github.com/factionsecurity/faction
https://bsky.app/profile/factionsecurity.com
Totally Todd (CCNA) @totallytodd.bsky.social Totally Aspiring Network Dude
Totally More Cisco!
Totally More Linux!
Totally More Python!
Totally More Totally!
And Totally Cats
@hc-infosec.bsky.social @hc-infosec.bsky.social 
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Infosec News @infosecnews.bsky.social Powered by the folks at Red Team Arts!
Gallery - coming soon
redteamarts.com
Kevin Poireault @leekthehack.bsky.social Tech reporter https://linksta.cc/@kevinpoireault
InfoSecSherpa 🏔️ Lake Ontario 🚣♀️ @infosecsherpa.bsky.social #Librarian turned #InfoSec & #DataPrivacy practitioner. #Philly area hoagie mouth. InfoSecSherpa and Sherpa Intelligence: Your Guide Up a Mountain of Information! Portfolio: https://linktr.ee/infosecsherpa #GoBirds
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
ransomfeed.it @ransomfeed.rfeed.it Ransomfeed empowers businesses and individuals with datadriven insights on #ransomware threats | #ransomfeed | 100% made in 🇮🇹
🌍 ransomfeed.it
🤖 t.me/RansomFeedNews
💼 linkedin.com/company/ransomfeed
Cisco @cisco.com Official info on Cisco news, events and technology innovation.
Cisco Talos Intelligence Group @talosintelligence.com Cisco Talos defends Cisco customers with trusted global cybersecurity intelligence. Support requests: https://talosintelligence.com/support
Mothmanosphere @hadyn.nz It's your favourite Hadyn! Or second favourite Haydn.
Also I work in cybersecurity so sometimes I post about stuff like that.
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 isn’t run by weapons anymore, or energy, or money. It’s run by little 1s and 0s, little bits of data."
Ian Coldwater 🧊🚫 @lookitup.baby Kubernetes SIG Security Co-Chair, goose in the mainframe. Minneapolis. They/them. Stay punk 🏴
MSP feed info: https://bsky.app/profile/amityf.bsky.social/post/3mrv36uo4pc2a
Troy Hunt @troyhunt.com Founder & CEO of @haveibeenpwned.com, the most trusted name in data breach intelligence. Speaker, blogger, Microsoft Regional Director. Gold Coast, Australia.
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?
TrendAI Zero Day Initiative @thezdi.bsky.social TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
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.
Rik Ferguson @rikferguson.com Immigrant. VP Security Intelligence @Forescout, Co-founder @RespectInSec. Board @vaultree, Cybersecurity Futurist, Researcher, Award-winning writer/producer. He/Him. Pussy in bio.
Substack - Ferguson.ink
Slava Ukraini 🇺🇦
Matthijs R. Koot @cyberwar.nl IT, privacy, security, democracy. PhD. PGP: 51F9 8FC9 C92A 1165 (http://keybase.io/mrkoot). Employed as IT security specialist.
Mastodon: @mrkoot@infosec.exchange
LinkedIn: /in/mrkoot
the grugq @thegrugq.bsky.social 
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Ollie Whitehouse @ollieatnowhere.bsky.social CTO at the UK's National Cyber Security Center 
David Litchfield @litchfield.bsky.social Dad, Powerlifter, Security at Apple, Photographer
James Forshaw @tiraniddo.dev Security researcher in Google Project Zero. Author of Attacking Network Protocols. Posts are my own etc. 
Katie Moussouris (she/her/she-hulk/she-ra)🌻 @k8em0.bsky.social Founder & CEO LutaSecurity @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, 1/2 Greek all-American hacker
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
Open Rights Group @openrightsgroup.org We fight for digital rights. Join us.
https://www.openrightsgroup.org/join/
Global Voices @globalvoices.org The first global community-based newsroom. We build bridges and global understanding. Read our stories here: https://globalvoices.org
Jennifer Granick @granick.bsky.social Personal account. Former ACLU lawyer. From New Jersey. Living in San Francisco. New College of Florida alum. Newfie owner.
Matt Burgess (WIRED) @mattburgess1.bsky.social Security writer @wired.com
Cybercrime, privacy, surveillance, and more.
Signal: mattburgess.20 | Email: matt_burgess@wired.com
Traveling Techie @diavolo07.bsky.social Daily CyberSecurity fighter. Info at our fingertips and misinformation everywhere. Trying to be positive 📈 and see the world 🌍🌏🌎. Don’t give up, pushback on the relentless 🍊cult lies. In time all the atrocities will come out.
Kim Crawley (she/her) 😷🍉 @stopgenai.com No DMs!
Formerly exploited cybersecurity professor at OPIT. Previously AT&T, BlackBerry, Hack The Box.
Founder of StopGenAI.com
Ultimate Cybersecurity Careers Guide
Hacker Culture: A to Z, O'Reilly
https://kimcrawley.com
Violet Blue® @violetblue.bsky.social Awarded author, journalist: cybersecurity, privacy, Covid. WIRED, PopSci, Spinoff, Engadget, FT, IFJ. Visiting Scholar at Stout Research Centre, NZ. Black Hat keynote. S/her.
Bio: about.me/violetblue
More: linktr.ee/viblue
News: patreon.com/violetblue
ShadowDragonio.bsky.social @shadowdragonio.bsky.social Ethical OSINT company - Enhance your OSINT
The Shadowserver Foundation @shadowserver.bsky.social Our mission is to make the Internet more secure by bringing to light vulnerabilities, malicious activity and emerging threats. Join our Alliance!
https://shadowserver.org/partner
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
NULL @codemunkee.bsky.social Cybersecurity Researcher | Machine Learning & Artificial Intelligence | OSINT | CTI | Threat Modeling | Apolitical | Working to Democratize Cybersecurity
Intel Night OWL 🦉🇺🇸 @intelnightowl.bsky.social RePost ≠ endorsements | OpenSource RnD | OSINT COMINT SIGINT CYBINT ELINT GEOINT ADINT MetaData | ADSB AIS SAT | SDR IoT Arduino Linux | COFFEE
🔥 Follow OSINT Starters 🔥
go.bsky.app/TSvKc6o
go.bsky.app/NKZeoR9
go.bsky.app/PzSSWrC
Alison Killing @alisonkilling.bsky.social Visual investigations at the FT. Architect who won a Pulitzer. 
Sam Joiner @samjoiner.bsky.social Creative Director at the Financial Times. I lead visual journalism strategy and oversee visual investigations, visual stories, design and pictures.
Peter Andringa @peter.andringa.me Journalist/technologist, @financialtimes.com Visual Investigations
📍London
✉️ peter.andringa@ft.com
🔏 Signal: @peterandringa.01
ft.com/news-tips
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
Alexa @alexakoenig.bsky.social JD PhD Co-Director, Human Rights Center, UC Berkeley + Co-Founder, Investigations Lab #BerkeleyProtocol
Recovered Performer, Eternal Optimist
Forthcoming books: Digital Witness 2 and At the Intersection
picture thx: Jason Madara for The Resistance
Allegra Goodwin @allegragoodwin.bsky.social Investigative journo @cnn.com specialising in #osint
went into journalism after watching the devil wears prada, now mostly write about bombs
allegra.goodwin@cnn.com