AlphaHunt Converge @alphahunt.io The signal moves first.
The Vertex Project @vertexproject.bsky.social We create technology for analytical teams to provide intelligence-driven insights to decision makers.
For more info, visit https://vertex.link!
SLEUTHCON @sleuthcon.bsky.social Tickets for 2026 are now available!
https://www.sleuthcon.com
Censys @censys.bsky.social Censys is the authority in Internet intelligence & insights. Delivering the most comprehensive, accurate, and up-to-date global map of Internet infrastructure, Censys provides the real-time external visibility.
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
SentinelOne @sentinelone.com The world’s most advanced, autonomous AI-powered cybersecurity platform. We empower the world to run securely, with leading organizations trusting us to Secure Tomorrow™. Secure your enterprise: http://sentinelone.com/request-demo/
FIRST.org @first.org Improving Security Together
Steve Springett @stevespringett.bsky.social Father, husband, cybersecurity professional, lover of all things that go “vrooom”, and avid watch collector.
Creator of OWASP Dependency-Track. Chair of CycloneDX. Founder of Ecma TC54. OWASP Global Board of Directors.
https://about.me/stevespringett
Christian Folini @christian-folini.ch Web application security guy with a passion for OWASP's open source WAF projects and National Cyber Strategy.
Maintains "Swiss Cyber Security" starter pack and cherishes his small collection of medieval helmets.
Izar Tarandach @threatmodeling.dev Threat model and prosper! 🖖
OWASP pytm Leader | OWASP Events Committee Chair (2024)
Rory McCune @mccune.org.uk Security geek, Containers, Kubernetes, Golang/Ruby, hillwalking
Home Page :- https://www.mccune.org.uk
Blog:- https://raesene.github.io
Liran Tal @lirantal.com 🦄 Node.js Secure Coding: http://nodejs-security.com
🌟 @GitHub Star
🏅 @OpenJS Pathfinder award for Security
🥑 DevRel at @snyksec
Philippe De Ryck @philippederyck.bsky.social I help developers protect companies through better web security
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
Jennifer (JJ) Minella @jjx.therealjj.com Author "Wireless Security Architecture" and "Low Tech Hacking" | Speaker | CISO CTO @ViszenSecurity.com | Packet Protector 🎙️| @CISOLaunch.com | Security Architecture, Network, WiFi, IoT, Zero Trust | Faculty @IANS_security | www.SecurityUncorked.com
Nick Espinosa @nickaesp.com Chief Security Fanatic | CISO | Speaker | AI Risk | Political Risk | Columnist | Author | Radio Host | Board Member | Forbes Tech Council | TEDx | Canadian-American
Paul Asadoorian @paulasadoorian.bsky.social Founder of Security Weekly, Principal Security Evangelist at Eclypsium
Phillip Wylie @phillipwylie.bsky.social Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie- E Matthew Coles @eternewbie.bsky.social Security professional. Author. Speaker. Mentor.
Always a newbie, continual learner. Avid gamer.
#threatmodeling | OWASP pytm | The Security Table podcast
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
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
Dennis @dennisf.bsky.social Gentleman of leisure. Legendary wedding guest. I wrote two of the best books you haven't read. Friend of hackers. https://decipher.sc
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
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 🌻
Laura Bell Main @ladynerd.bsky.social CEO at SafeStack | coauthor of Agile Application Security and Security for Everyone | Host of Build Amazing Things (securely) | #appsec nerd | mom
Micah Lee @micahflee.com Doing what I can to keep activists, journalists, and researchers safe and productive — writing at https://micahflee.com — author of HACKS, LEAKS, AND REVELATIONS https://hacksandleaks.com — signal: micah.01
(╯°□°)╯︵ S︵T ︵U ︵🔥 @cybersecstu.bsky.social I'm a Teams reaction GIF, I like OSINT, Consulting Director ✍️ CTI & Analytics book ~202X, Tracelabs Black badge x3, Ex-Podcaster, ex The many hats club, #cyber Views my own or the AI's.
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.
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
Yaël Eisenstat @yaeleisenstat.bsky.social Been called alarmist, Cassandra & “someone with the resume of a 70 yr old man”. Pro-dog & pro-democracy. Working on tech accountability to safeguard democracy in the digital age at Cybersafety Research Center (NYU).
Personal website: www.yaeleisenstat.com
Rob Berends @handle.invalid Cyber Risk @ Northwave Cybersecurity
Cyber Philosopher | AI Security | LEGO | F1
Huib Modderkolk @huibmodderkolk.bsky.social Onderzoeksjournalist Volkskrant
Going dark
h.modderkolk at volkskrant.nl
Signal: hmodderkolk.20
Daniël Verlaan @daniel.verlaan.xyz journalist RTL Nieuws ☎️ 06 2089 8142 📫 daniel.verlaan@rtl.nl 🏆 winnaar Wie is de Mol, Tegel & Loep 📕🎙️🍿 boek, podcast en docu ‘Ik weet je wachtwoord'
Marietje Schaake @marietjeschaake.bsky.social Proud European 🇪🇺 Fellow at Stanford 👩🏼💻 column in FT 🗞️Member of European Parliament 2009-2019 📕Author: The Tech Coup
Fook Hwa Tan @fookhwa.bsky.social Cybersecurity leader (CQO/CISO) · trainer · church servant. Faith · Clarity · Service.
fookhwatan.com
Frank Groenewegen @frankgr.bsky.social Cybersecurity expert
Erik Remmelzwaal @erik.zolder.io Co-Founder Zolder.io | Promoter of Atticsecurity.com | Creator of Cybersecurity | Lover of the Misses | Father of Two | Coach of Fieldhockey | Haver of no Worries
Oscar Koeroo @okoeroo.bsky.social CISO somewhere and cyber stuff.
Bert Hubert 🇺🇦🇪🇺🇺🇦 @berthub.eu Voormalig voormalig toezichthouder, schrijver van stukjes, nerd, amateur wetenschapper. Spreekt namens niemand. https://berthub.eu/
Floor Terra @floort.bsky.social 
Dave Maasland @davemaasland.bsky.social Connecting & inspiring people to create a safer, digital world | Passion for IT Security | CEO @ESETNL
Fleur van Leusden @queenfennec.bsky.social CISO @Kiesraad - Gamer - beware of my sharp edges - views are my own
Podcast CISOpraat:
https://open.spotify.com/show/0qSxCHWV66I2Fd2hJB97qT?si=MLwgkHSYTnWAaIA208T4lw
Bert Hubert 🇺🇦🇪🇺🇺🇦 @berthubert.bsky.social Software developer, entrepreneur, former government regulator, current government advisor, amateur scientist, publicist. https://berthub.eu/ More active on Mastodon -> @bert_hubert@eupolicy.social -> Nederlandse BlueSky @berthub.eu
Marleen Stikker @marleenstikker.eurosky.social The internet is broken … but we can fix it. Waag Futurelab - waag.org - Professor of Practice at Applied University of Amsterdam. Mastodon: marleenstikker@waag.social
Bits of Freedom @bitsoffreedom.eurosky.social Bits of Freedom komt op voor jouw privacy en communicatievrijheid.
Mastodon: @bitsoffreedom@chaos.social
bitsoffreedom.nl/volg-ons
Jaap-Henk Hoepman 🟥 ⬜️ 🟩 ⬛️ @xotoxot.eurosky.social Visiting Professor Karlstad University. Associate professor Radboud University Nijmegen. Privacy Engineering Boffin.
Author of "Privacy Is Hard and Seven Other Myths. Achieving Privacy Through Careful Design", MIT Press, 2021.
Posts in English and Dutch
Ronald Prins @cryptoron.bsky.social 
Tijs Hofmans @tijshofmans.nl Chef nieuwsredactie en redacteur privacy/security bij @tweakers.net | Feestdagenexpert @ FijneDagVan.nl | Ik wil mijn sponsor SouthVPN bedanken voor het mogelijk maken van deze bio | www.TijsHofmans.nl
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
Phil Hagen @philhagen.com DFIR, security, networking, all things tech, OneWheel, Radinn, travel, LEGO, and probably a whole lot more in small and sporadic bits. (Squirrel!)
Fierce and unapologetic ally. He/him/his.
Conrad @ericconrad.com SANS Fellow, CTO of Backshore Communications, GIAC GSE #13, SABR member, golden age arcade restorer. Peaks Island, Maine
James LV @jamesleytevidal.bsky.social SANS Principal Instructor. IT Security practitioner. GSE 209. Gamer and runner in my abundant spare time. Likely being sarcastic. Florida Man as a Service. He/Him
Medium.com/@james.leyte.vidal
Eric Capuano @eric.zip - Dad of two <3
- Co-founder Recon InfoSec
- SANS DFIR Instructor
- BlackHat Trainer
- IANS Faculty
- Trainer @digitaldefenseinstitute.com
- Blog: https://blog.ecapuano.com
- ⬡ ODESZA, Lane 8, Kasbo 🎧
- ❤ @whit.zip
Matt Bromiley @bromiley.io ⚙️ AI Security R&D @ Prophet Security
🎓 IR/TH/Incident Management Instructor
🎙️ Frequent Guest on Cybersecurity Defender's Podcast
🔍 Where to Find Me: https://github.com/bromiley
Taz Wake @tazwake.bsky.social DFIR & Threat Hunting Professional | SANS Course Author - FOR577 Linux IR Class | Certified SANS instructor | Incident Responder | I have no access to DMs.
David J. Bianco @davidjbianco.bsky.social Threat Hunting, CTI, incident detection & response. Creator of the Pyramid of Pain and lead author of the PEAK Threat Hunting Framework. SANS instructor. Special interest in helping newbies get started. Also happy to talk about other geeky topics. He/Him.
Mike Murr @mikemurr.bsky.social Malware analysis, behavior consultant, software dev.
SANS Instructor: FOR610, FOR710, SEC573
Contact: https://socialexploits.com/contact
Bojan Zdrnja @bojanz.bsky.social IT Security guy, penetration testing is my thing. One of the SANS Internet Storm Center handlers at https://isc.sans.org.
SANS SEC542 instructor and course co-author, SEC565 instructor.
I lead the penetration testing team at INFIGO, https://www.infigo.is
Chris Elgee @chriselgee.bsky.social Full-time Christian, husband, dad of 4, nerd @Counter Hack; Certified SANS instructor; Cyber Soldier; GSE #259
Brandon Evans @brandonevans.bsky.social Multicloud Security Consultant | Former Zoom Lead | SANS Author (SEC510) + Certified Instructor | Cloud Ace Podcast S1 Host | IANS Faculty | GPCS, GCSA, GSEC, GPEN, GWAPT, GSTRT, GSSP-JAVA | AWS Security Certified
Monta Elkins @montaelkins.bsky.social Hardware Hacker
SANS Principal Instructor
Training Course Author "Hardware Hacking Essentials"
Greg Bailey @cybergreg.bsky.social SANS instructor, red team & old school pentester, neo-hippie…all around nice guy.
Chris Dale @chrisdale.bsky.social Principal instructor at SANS Institute. CHO (Chief Hacking Officer) and co-founder of River Security. Occasionally put content on YT: https://www.youtube.com/@chrisdale- J Jon Zeolla @jonzeolla.com Cloud Native Security & Compliance | Founder, CNCF Ambassador, SANS Instructor, IANS Faculty
More active on LinkedIn (/in/jonzeolla)
fulmetalpackets @fulmetalpackets.bsky.social SANS SEC568 Author and Instructor | Cybersecurity Leader | Hacker | All tweets and opinions are my own.
pwneip @pwneip.bsky.social Principal RTO @F500, SANS Instructor & #SEC565 Red Team Ops Author, Red Team Village lead, former Bishop Fox, US Air Force. Tweets are my own, memes are stolen
Carlos Fragoso @cfragoso.bsky.social Principal SME @ Maltego - SANS Instructor - Passionate about Investigations - #DFIR #OSINT
@GuardianCosmos - Christian N. @guardiancosmos.bsky.social Japan loving cybersecurity nerd Pentesting | Forensics | Incident Response | SANS Instructor | Purple Teaming | @guardiancosmos@infosec.exchange/@GuardianCosmos in the old place | Views AMO
Joe Sullivan @replicanthacker.bsky.social Security consultant
@TrustedSec, Techno-Horror fiction writer fearwarefiction.com
Terrence Williams @anerdfromduval.com I'm Just A Nerd From Duval
Computer Science and Cloud Security
SANS Instructor
Jeff McJunkin @jeffmcjunkin.bsky.social IT generalist with an infosec slant. Testing out the new hotness over here.
Lenny Zeltser @lennyzeltser.com Builder of security products and programs. Teacher of those who run them.
https://zeltser.com
Lesley Carhart @hacks4pancakes.com I am eminently qualified to speak from experience about a variety of dumpster fires.
ICS DFIR at Dragos, martial artist, marksman, humanist, level 14 Neutral Good rogue, USAF retired. I post *very serious* things about infosec. Thoughts my own. Enby. 🏳️🌈
Ian Reynolds @ianreynolds.bsky.social :: Security Operating , Incident Responding, Forensicating, head-scratching, Plan C,D, and E providing, climbing, biking, wandering, {pick-a-colour}-teamer :: SANS Instructor ::
@lodrina.bsky.social @lodrina.bsky.social "liberal arts section of the computer underground" -j. menn
Lee Whitfield @dfirlee.bsky.social DFIR, LEGO, Manchester United, Marvel, Technology, xLights
Jim Clausing @jclausing.bsky.social pilot, cyclist, Unix/Linux, DFIR
@ocarroll.bsky.social @ocarroll.bsky.social 
Dave Shackleford @daveshackleford.bsky.social SANS, IANS, Voodoo Security. So many other things, too. 
mosesrenegade @mosesrenegade.bsky.social Hackerman. You can find out about me here.
https://linktr.ee/mosesrenegade- C @cybergoof.bsky.social @cybergoof.bsky.social
Kenton Smith @kentonsmith.bsky.social Cyber Leadership Advisor/Educator. Photography, Music, Sports, Politics, Coffee
David Szili @davidszili.bsky.social AlzetteInfoSec Managing Partner | BSidesLux Ex-Organizer | SANS Principal Instructor | Posts are mine, all mine!
Russell Eubanks @russelleubanks.bsky.social 
Jorge Orchilles @jorgeorchilles.bsky.social SANS Principal Instructor & Author #SEC565 | #RedTeam | #PurpleTeam | #PenTest | #C2Matrix Creator | ATT&CK & Atomic Red Team Contributor | Published Author
Brian Olson @brianolsonsec.bsky.social Cybersecurity Professional | DFIR & Network Forensics | Real Estate Investor | Personal Finance Enthusiast | Based in DC
Doc Blackburn @docblackburn.bsky.social 
@my-ngoc.bsky.social @my-ngoc.bsky.social 
John Hubbard @sechubb.bsky.social Blueprint Podcast Host | SANS Sr. Instructor & Course Author for SEC450/LDR551 | Helping You Improve Your Security Ops Team
Eric Johnson @ejohn20.bsky.social Cloud, code, security automation, boating, biking, beer, and bourbon.
https://pumasecurity.io
Mari DeGrazia @maridegrazia.bsky.social Digital Forensics and Incident Response
SANS Instructor
CyberSecurity
VR E-Sports
Maker
Sir Hex-a-Lot @sir-hex-a-lot.bsky.social I'm just here for the donuts and cybersecurity feeds. And maybe a little humor. Is it Friday yet?
🚫🍊💩 🚫🔋🚘🤏 🚫🥃😵💫📢 🚫🪱🧠
🚫DM (unless you're sending me pet pics)
🚨My posts and replies may be spicy🚨
CyberScoop @cyberscoop.bsky.social We report on news and events impacting technology and security. https://linkin.bio/cyberscoop/
NULL @codemunkee.bsky.social Cybersecurity Researcher | Machine Learning & Artificial Intelligence | OSINT | CTI | Threat Modeling | Apolitical | Working to Democratize Cybersecurity
Patrick C Miller @patrickcmiller.bsky.social Critical Infrastructure & Industrial Security Advisor. Ampyx Cyber CEO. Public speaker. Airport dweller. Recovering regulator. BEERISAC member. CCI US Coordinator. Former SANS Instructor.
#ICS #OT #NERCCIP #NIST #IEC62443 #NIS2 #CRA #SlavaUkraini
TrendAI Zero Day Initiative @thezdi.bsky.social TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
Ninja Owl @ninjaowl.ai Ninja Owl specialises in Proactive Cyber & Privacy Security.
📰: This is our auto news feed to keep you up-to-date and aware.
🕸️: https://ninjaowl.ai
#cybersecurity #hacking #news #security #technology #infosec #osint 
InfoSec @infosec.skyfleet.blue Relay Tracking News & Blogs about infosec, cybersec
- source removal/addition suggestions welcome !
CVE : check out @cve.skyfleet.blue
🆘 @skyfleet.blue
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