Security Fest @securityfest.bsky.social Annual technical security conference in Gothenburg, Sweden.
https://securityfest.com/
https://www.youtube.com/@securityfest
https://www.linkedin.com/company/security-fest
Michal Melewski @carste1n.bsky.social Security Engineer @ Cloudflare,
ex-Google ISE,
I use bad software and bad machines for the wrong things.
My writing: https://carstein.github.io
Microsoft Threat Intelligence @threatintel.microsoft.com We are Microsoft's global network of security experts. Follow for security research and threat intelligence. https://aka.ms/threatintelblog
TjekDet @tjekdet.dk Danmarks eneste internationalt certificerede faktatjekmedie. Læs mere på TjekDet.dk. Tip på tip@tjekdet.dk.
Denmark's only internationally certified fact-checking media. Learn more at TjekDet.dk. Send tips to tip@tjekdet.dk.
Heard Island Government @heardislandgov.bsky.social Official Gov Description: Flight challenged colony of biracial nudists.
Status: Tariff & Human Free. Sovereign; yet protected by AU. “Flippers Up”
SIGN to protect our Island’s Marine Reserve https://wwf.org.au/get-involved/an-antarctic-safe-haven/
karpathy @karpathy.bsky.social AI @ OpenAI, Tesla, Stanford
@levelsio @levels.io 💾 Pieter.com est. 1994
📸 PhotoAI.com $120K/m
🏡 InteriorAI.com $38K/m
🛰 RemoteOK.com $37K/m
🌍 Nomads.com $35K/m
🎁 levelsio.com $23K/m
Sebastian Gebski @nokillswit.ch Geek, engineer, blogger, codefella, serial reader. Engineering leadership for a living. I speak here for myself only.
Randall Munroe @xkcd.com 
Maciej flexray Stopa @flexray.bsky.social Cloud Solutions Architect Ninja, Community Builder Wizard.
Musician and Artist. EVE capsuleer.
Andrzej Dyjak @andrzejdyjak.bsky.social Pomagam zapewniać bezpieczeństwo na każdym etapie cyklu wytwórczego SDLC.
Marcin Hoppe @marcinhoppe.bsky.social I am a computer programmer. I enjoy maintaining software, fixing bugs and debugging. I also know a few things about information security.
Outside of work I am a family guy. I like good coffee. I play tennis.
Paweł Żuchowski @pawel-zuchowski.bsky.social Chief US Correspondent. RMF FM Radio US Correspondent. Korespondent Radia RMF FM w Stanach Zjednoczonych.
Andrzej Krzywda @andrzejkrzywda.bsky.social Arkency | RailsEventStore | wroc_love.rb
Rails programmer since 2004
Chess player aspiring to become IM
coffee amateur
sf books lover
DDD, CQRS, Event Sourcing
CTO Morning Coffee @ctomorning.coffee Leadership. Technology. Entrepreneurship. Po polsku 🇵🇱
🎬YT: https://www.youtube.com/@CTOMorningCoffee
🌏 Web: https://www.ctomorning.coffee
@panrafal.bsky.social @panrafal.bsky.social 
Jakub 'unknow' Mrugalski @mrugalski.bsky.social 🤖 Piszę o technologii, AI, automatyzacji, cybersecurity i biznesie.
🛠 Dzielę się użytecznymi narzędziami i case-study
📩 Co piątek wysyłam newsletter technologiczny
Frank McGovern @frankmcg.com I’m not actually here, but I may be one day.
Tomasz Onyszko @onyszko.com Founder, geek, CTO.
Reading a lot. (ex) Identity guy.
I have opinion (my own) and I'm not afraid to use it.
More -> https://bio.link/tonyszko/
PIVOTcon @pivotcon.bsky.social Threat Research Conference in Malaga, Spain, 6-8 May 2026
#StayTuned #ComingSoon #PIVOTcon #PIVOTcon26
https://pivotcon.org
Pasquale Stirparo 🇺🇦 🇪🇺 @pstirparo.bsky.social Founder @ RationalEdge
#ThreatIntel #ICS #DFIR; ''Learning iOS Forensics'' author;
#BSidesZH #PIVOTcon org.
@pivotcon.bsky.social
https://pstirparo.ch
https://rationaledge.io
Related interests/obsessions:
#ThreatHunting #CTI #YARA #CriticalThinking #Books
Phillip Wylie @phillipwylie.bsky.social Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Bill Marczak @billmarczak.org senior researcher at @citizenlab.ca
CYBERWARCON @cyberwarcon.bsky.social CYBERWARCON is a one-day conference in Arlington, VA focused on the specter of destruction, disruption, and malicious influence on our society through cyber capabilities.
cyberwarcon.com
Andy Greenberg @agreenberg.bsky.social 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.
Gabriel @morecoffeeplz.bsky.social Distinguished AI Research Scientist at SentinelOne. Former OpenAI, Apple infosec. Lecturer at John’s Hopkins SAIS Alperovitch Institute. Deceiver of hike length and difficulty.
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
Cyb3rhawk @cyb3rhawk.bsky.social Cyb3rhawk leads threat hunting team. Interested in DE&TH, threat intel and DFIR. Always striving to make the daily grind of SOC analysts a breeze. Always eager to learn from others and lookout for new ways to streamline what I learn
Bad APT Advice @badaptadvice.bsky.social Phone it in
Lasq @lasq.pl Advanced Practices 🦅 @Google Threat Intelligence Group
Threat Attribution, Frontline Intelligence, Malware Analysis, Threat Hunting, Incident Response
#attributionmatters
Karol Trociński @karoltrocinski.bsky.social Security Research & Development
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
Katie Nickels @likethecoins.bsky.social 
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!
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
Bluesky Safety @safety.bsky.app Sharing updates about trust and safety on Bluesky.
This account’s mentions are not actively monitored. To report a post or account, use the in-app reporting feature.
Community Guidelines: https://bsky.social/about/support/community-guidelines
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
Christopher Peacock @securepeacock.bsky.social I find weird things on networks.
#PurpleTeam | Ex Raytheon MSSP, SCYTHE, & GD | Taught at BlackHat & DEFCON | #100DaysofSigma | Keep exploring, keep learning, and stay curious.
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
GreyNoise @greynoise.io GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
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/
I Am The Cavalry @iamthecavalry.org 
SpecterOps @specterops.io Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management
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.
Have I Been Pwned @haveibeenpwned.com Check if you have an email address or password that has been compromised in a data breach. Created and maintained by
@troyhunt.com.
Virtual Routes @virtualroutes.bsky.social Virtual Routes tackles the impact of digital and emerging technologies on global affairs. Also check out @bindinghook.bsky.social, our media outlet.
Jamie Collier @collierjam.bsky.social Cyber threat connoisseur at Google. Senior Research Associate at Virtual Routes / Associate Fellow at RUSI. 
Bartek Jerzman @handle.invalid Hunting ghosts in wires and boxes, Head of CTI, former NCSC-PL, PL Navy #fightingthreats | @PIVOTcon.bsky.social co-founder & Chief Meme Officer
Marcin Ratajczyk @znanyproblem.bsky.social 
Rafał Godek @godek.bsky.social 🏺 od geolokalizacji
👹 SP6XOR 🤖
Creator of http://otwartezrodla.pl = http://osintframework.pl 👁️
All opinions are my own.
Tomasz Zając @tomasz-zajac.bsky.social EU affairs senior analyst at PISM, co-host of #TumówiPISM podcast, PhD student at GSSR Warsaw.
Foxtrot Charlie @foxtrot-charlie.bsky.social I just want to be a hacker. 
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
Łukasz @maldr0id.bsky.social Military-grade reverse engineer @ Google, working on Android malware
Got mistaken for a member of Project Zero once.
Everything here is my own opinion
he/him ✨🌈🦄- P @poncki.bsky.social @poncki.bsky.social
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
Martijn Grooten @martijngrooten.bsky.social Threat researcher, rights supporter, obsessive reader, marathon runner, eternal traveler, serial migrant, music blogger, lapsed mathematician.
https://lapsedordinary.net/
Signal: martijngrooten.37
Kamil Bojarski @lawsecnet.counterintelligence.pl #threatintel #dfir #osint #natsec and other secs. Downloading things from the Internet and looking at them. Views are my own Email: kamil@counterintelligence.pl
Joe Slowik @pylos.co Threat Intel / CTI / OT / ICS / Critical Infra stuff along with other things. I genuinely care, and wish others did too.
Website: pylos.co
Training/Consulting: paralus.co
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 🇺🇦
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
John Scott-Railton @jsrailton.bsky.social Chasing digital badness. Senior Researcher at Citizen Lab, but words here are mine.
Meredith Whittaker @meredithmeredith.bsky.social President of Signal, Chief Advisor to AI Now Institute 
evacide @evacide.bsky.social Director of Cybersecurity @eff.org
Co-founder of @stopstalkerware.bsky.social
These opinions are my own, not my employer's
I did a TED talk once
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Adwersarz.pl @adwersarz.pl Piszemy o (cyber)bezpieczeństwie. Z pasji i dla pasjonatów.
🧑💻 http://adwersarz.pl
✉️ redakcja@adwersarz.pl
ZaufanaTrzeciaStrona.pl @zaufana3strona.bsky.social Spowiedź bezpieczeństwa AD 2026 - poznaj sekrety moich zabezpieczeń: https://z3s.pl/spowiedz
Piotr Stankiewicz @stankiewicz.bsky.social Za rok nie tylko starsi, ale i mądrzejsi! Zapraszam do programu, szczegóły tutaj: https://piotrstankiewicz.pl/program2026/
Ekskursje w dyskursie @ekskursje.bsky.social https://suppi.pl/ekskursjewdyskursie
https://patronite.pl/ekskursje.pl
Common Vulnerabilities and Exposures (CVE™) Program @cveprogram.bsky.social Account maintained by the CVE Program to update the community on CVE-related announcements. http://www.cve.org
Gazeta Wyborcza @wyborcza.pl Oficjalne konto „Gazety Wyborczej”. Wyborcza sp. z o. o. przetwarza dane w związku z prowadzeniem profilu. Więcej: https://wybr.cz/politykaprywatnosci
Łukasz Olejnik @prywatnik.bsky.social Ph.D, LL.M. Bezpieczeństwo informacji. Prywatność. Ochrona danych. B+R. Konsulting. Tech. Autor 📖 "Filozofia Cyberbezpieczeństwa", "PROPAGANDA”. DGP: #Cyberpolityka.
War Studies/King's College London.
https://prywatnik.pl
https://lukaszolejnik.com/books
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.
Niebezpiecznik @niebezpiecznik.bsky.social I know your PIN
@komputerow.bsky.social @komputerow.bsky.social 
Leszek Bukowski @lbukowski.bsky.social Machine Learning | Logic | Math | Philosophy | AI | Tech | Husband & Father | 📖🤖🤘🏻
blackorbird @blackorbird.bsky.social Peace and Love.
Just Analysis/Hunter.
#APT #threatIntelligence #Exploit #CTI
Need Job
https://github.com/blackorbird/APT_REPORT/
https://x.com/blackorbird
Lukasz ’honey’ Jachowicz @ljachowicz.bsky.social cybersecurity guy
Wolski o Wojnie. @jaroslawwolski.bsky.social CONSULTING / OSINT / MEDIA
Forsvaret @forsvaret.dk Officiel Bluesky-profil til Forsvarskommandoen (Danish Defence Command). Alm. henvendelser: fko@mil.dk. Pressehenvendelser: fko-presse@mil.dk.
Michal Bogusz @boguszmichal.bsky.social http://ZaWielkimMurem.net 👤 皓翔 China Research Fellow ➡️ Centre For Eastern Studies @osweng.bsky.social (Ośrodek Studiów Wschodnich, OSW) ⛔️ Here express only private opinions ⚠️ RTs ≠ endorsements
Sylwia Czubkowska @sylvcz.bsky.social Techstorie/Tok FM
podcast, technologie, książki
lcamtuf @lcamtuf.coredump.cx Blog: https://blog.coredump.cx/archive
Homepage: https://lcamtuf.coredump.cx
Bluesky @bsky.app official Bluesky account (check username👆)
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