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
Patrick Armstrong @patrickarmstrong.bsky.social Info Sec/Photography/Blackened Doom Metal Noise Tourist
Matthew Gracie @infosecgoon.bsky.social Security Analyst. Panther Modern.
Engineer at Security Onion Solutions.
Professor at Canisius University.
Organizer at Infosec 716 and BSides Buffalo.
@mrspearlmania500.bsky.social @mrspearlmania500.bsky.social 
Pearlmania500 @pearlmania500.bsky.social Yelling guy from the internet.
https://linktr.ee/pearlmania500
Nicolas Krassas @dinosn.bsky.social Head of Threat & Vulnerability Mgmt @ Henkel AG & Co. KGaA
https://t.co/NC1orlKrW3
Also at : @dinosn
r/blueteamsec bot @r-blueteamsec.bsky.social Mirrors r/blueteamsec, "intelligence, research and engineering to help operational [blue|purple] teams defend their estates." Unofficial. Operated by @tweedge.net, open source @ https://github.com/tweedge/xpost-reddit-to-fediverse
Chris Partridge @tweedge.net By day: cybersecurity at that online-bookstore-and-server-rental company, and occasional adjunct professor at RIT.
By night: avid cat dad, solarpunk, open source dev, and home cook. I blog on https://chris.partridge.tech, come see my niche posts & data :D
Ahmad R. Kirmani @ahmadrkirmani.bsky.social Assistant Professor, Rochester Institute of Technology (RIT), NY | Associate Editor, APL Energy | Interested in halide perovskites, thin films, solar cells, space power 🚀
www.ahmadrkirmani.com
Stephen Pomper @stevepomper.bsky.social Chief of Policy @CrisisGroup.org. Formerly NSC senior director for human rights + UN affairs and State Department assistant legal adviser for pol-mil issues. 
Max Bergmann @maxbergmann.bsky.social Director of the Europe, Russia, Eurasia Program at CSIS. Podcasts EuroFile and Russian Roulette. Fmr State Department official. DC sports, Tottenham
Tess Bridgeman @tessbridgeman.bsky.social Co-editor-in-chief @justsecurity.org | NYU Law RCLS Sr. Fellow | Berkeley Law | Former National Security Council Deputy Legal Adviser, White House Associate Counsel & Special Assistant to the President (Obama) | Former State Department
Malcolm Nance, Leading Resister @malcolmnance.bsky.social Fmr US Intelligence +36 yrs. Expert MENA/SWA & US Terrorists | x5 NYT Bestselling Author, Navy Senior Chief, Widower, Ukrainian army Intl’ Legionnaire.
Malcolmnance.Substack.com
Defense News @defensenews.bsky.social Defense News is the global defense community's leading source of news & analysis on programs, policy, business & tech. Sign up for our newsletters: http://defensenews.com/newsletters
Ciaran Martin @ciaranm.bsky.social Calm the FUD down
Institute for the Study of War @thestudyofwar.bsky.social ISW is a policy research organization focused on U.S. national security. Email: press@understandingwar.org. For more: https://linktr.ee/understandingwar
CSIS | Center for Strategic & International Studies @csis.org A bipartisan research institution, CSIS is recognized as the top defense and national security think tank in the world.
https://www.csis.org 
Brad Christian @bradchristian.bsky.social 
Jack Buchanan @jebva.bsky.social Dad, husband, and fan of books, music, sports, and travel.
Retired CIA Senior Intelligence Service officer.
Personal account.
Go 'Hoos!
NULL @codemunkee.bsky.social Cybersecurity Researcher | Machine Learning & Artificial Intelligence | OSINT | CTI | Threat Modeling | Apolitical | Working to Democratize Cybersecurity
The Cipher Brief @thecipherbrief.bsky.social The Cipher Brief is the only media outlet focused exclusively on bringing you a higher level of confidence around national security events via news, analysis, and interviews with government and private sector leaders.
Jeffrey Vagle @jvagle.me Law professor | Privacy, AI*, and Technology & Society | Veteran | Offering bespoke mentor-mentee relationships | There is music yet to play | https://tractatus.org
David Burbach 🇺🇸 @dburbach.bsky.social Prof. National Security and International Relations. Space security, civil-military relations. Cats, science, photography for fun. Providence RI; Oregon at heart! Personal views ONLY; no govt resources used. Assoc Ed @TNSR.org
Rebecca Ingber @becingber.bsky.social Law prof at Cardozo Law. Former U.S. State Dept a few times over. Writes on international law, war powers and national security, presidential power and bureaucracy.
https://cardozo.yu.edu/directory/rebecca-ingber
Alex Ward @alexward.bsky.social National security reporter, The Wall Street Journal. Author, “The Internationalists.” Fan, F.C. Barcelona.
David Priess @davidpriess.bsky.social Intelligence, geopolitics, and strategy | Vice President of Strategy, Emergent Risk International | Senior Fellow, Hayden Center | Former CIA & State Department | Duke poli sci PhD | Author, The President’s Book of Secrets
Charlie Savage @charliesavage.bsky.social The New York Times national security and legal reporter. Not the Welsh footballer, Roddy Doyle character or 19th Century adventurer in Fiji.
Secrets and Laws @secretsandlaws.bsky.social Former CIA attorney, addressing all things relating to national security, secrecy, classification, FOIA, climate change, and bird law.
Frank Figliuzzi @frankfigliuzzi.bsky.social FBI Assistant Director (retired); 25 year veteran Special Agent; Author, Long Haul: Hunting the Highway Serial Killers; and, The FBI Way; Democracy defender.
Spencer Reynolds @sreynolds.bsky.social National security law and policy, NAACP Legal Defense Fund.
Former intelligence and counterterrorism lawyer, US Department of Homeland Security. Former Brennan Center. Views my own, rarely the government's.
>> Signal: sreynolds.16
Olivia of Troye @oliviaoftroye.com Former White House National Security Official.
Host & Author | Olivia of Troye.
Real stories. Real stakes.
Power, policy & everyday life.
Seen on MS NOW, CNN & The Jim Acosta Show. 🇺🇸🇲🇽
Michael S. Smith II @michaelssmithii.bsky.social Terrorism Analyst ● OSINT Specialist ● P/CVE Consultant ● “Mogul” in Foreign Policy’s Leading Global Thinkers ’16 ● 14 in Fast Company mag’s 100 Most Creative ’16
CVE Alerts @cve.skyfleet.blue Unofficial account to notify You about new CVE id's
CVE is a program that identifies, defines, and catalogs publicly disclosed cybersecurity vulnerabilities.
check out @infosec.skyfleet.blue
🆘 @skyfleet.blue
Dr. Julie Chernov @drjchernov.bsky.social Professor. #PSC #IR. Author. Becoming Jihadis: Radicalization & Commitment in Southeast Asia @ oxfordacademic. Why Terrorists Quit @Cornellpress. Terrorist Behavior. CVE. How Terror Cells are Constructed. Repatriation. SE Asia. Equality for all.
Lorenzo Leonardini @pianka.it Computer scientist, cybersecurity guy, wannabe musician
You might know me as "pianka"
CTF player with @aboutblankets
🔗 https://sec.leonardini.dev
Diana Freed @dianafreed.bsky.social Computer & Data Science, Faculty @Brown University | Visiting Scholar, Petrie-Flom (Harvard Law)| Faculty Associate, Harvard Berkman Klein Center for Internet & Society | HCI, HAI, Security, Privacy, Tech Policy
@nypd.bsky.social @nypd.bsky.social The official BlueSky account of the New York City Police Dept. Call 911 for emergencies, 311 for non-emergencies. Account not monitored 24/7. http://on.nyc.gov/2FDGya2
M. Baldwin @immbaldwin.bsky.social Cybersecurity. NorthwesternSPS+ UWEauClaire Alum. Always learning. ex-Chainalysis, ex-Elastician, ex-Endgamer, currently @ Recorded Future, Crypto is my blackhole. 🌖🚀. Views are my own. Get #BTC for paying your bills! http://use.foldapp.com/r/BALDWIN
X_Hunt3r @x-hunt3r.bsky.social Threat Hunting & Research, Network Forensics | Principal Threat Analyst @ Recorded Future | "Undesirable" | Member CuratedIntel | Views and opinions are my own
Calwarez @calwarez.bsky.social Director for Malicious Infrastructure Discovery @ Recorded Future | Views my own
Jon Condra @jcondra.bsky.social Sr. Director of Current Intelligence & Hybrid Threats @ Recorded Future. China, Ukraine, general geopolitics & cyber. Opinions my own. Reposts not endorsements.
Brian Liston @brianjliston.bsky.social Senior Threat Intelligence Analyst at Recorded Future
Analyzing Russia IO, Ukraine, election security
Cited in NYT, FT, Politico, Axios, NBC, France 24
GSPIA class of 2017
Alexander Leslie @aejleslie.bsky.social Cybercrime & Hacktivism @ Recorded Future | Insikt Group | Curated Intelligence | @aejleslie everywhere else.
Julian-Ferdinand Vögele @julianferdinand.bsky.social Threat Research @ Recorded Future. Previously @ Security Research Labs. He/Him. 🏳️🌈
Martin Matishak @martinmatishak.bsky.social Senior Cybersecurity Reporter at The Record from Recorded Future News. Send tips to martin.matishak@therecord.media. Signal: mmatishak.80
Alexander Martin @alexmartin.bsky.social Journalist covering cybersecurity and intelligence. UK Editor at The Record from Recorded Future News. Dad of two.
🏠 Sheffield
📧 alexander.martin@therecord.media
📱 Signal: AlexanderMartin.79
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
Lesley Carhart :unverified: @hacks4pancakes.infosec.exchange.ap.brid.gy I am eminently qualified to speak from experience about a variety of dumpster fires.
ICS cybersecurity person, @pancakescon organizer, martial artist […]
🌉 bridged from ⁂ https://infosec.exchange/@hacks4pancakes, follow @ap.brid.gy to interact
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. 🏳️🌈
Jimmy Wylie @mayahustle.com I look for ICS threats, and spend a lot of time reverse engineering.
Distinguished Malware Analyst @ Dragos.
Lead Analyst on TRISIS and PIPEDREAM.
He/Him
Sergio Caltagirone @intel.bsky.social Georgia Tech Professor. Cyber threat intelligence and cybersecurity professional - former NSA, Microsoft, and Dragos. President of the Threat Intelligence Academy. #FSD 🦆 Formerly @cnoanalysis on Twitter
Cisco Talos Intelligence Group @talosintelligence.com Cisco Talos defends Cisco customers with trusted global cybersecurity intelligence. Support requests: https://talosintelligence.com/support
@unit42.bsky.social @unit42.bsky.social 
Justin Elze @handle.invalid CTO @TrustedSec.com | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
tlansec @tlansec.bsky.social Threat Intel @volexity.com n stuff.
London, UK.
Unusual Whales @unusualwhales.bsky.social Skeet about markets and political corruption
Discord: http://bit.ly/3Bf2pNJ
Links: http://bit.ly/3V8D6Gb
Get $50-$5000 to trade: http://bit.ly/4ayctTD
Tarah Wheeler @tarah.org CSO of TPO.group ♦️ EFF Board of Directors♦️she/her ♦️ bestselling author but only that one time
Paul Rascagneres @r00tbsd.bsky.social Lord of Loaders at Volexity
Philo @opfuchs.gay 32/♂️/bi/bottom 🏳️🌈 🇪🇺 Berlin ♥️ @reese.dog
Full-time fox, part-time husky. Giustizia e libertà. Cybersecurity, Wissenschaftstheorie, scientific humanism and more. The queer bourgeois cosmopolitan they warned you about.
NSFW 🔞 there will be dick
0xor0ne @0xor0ne.bsky.social | CyberSecurity | Reverse Engineering | C and Rust | Exploit | Linux kernel | PhD | Only My Opinions :) |
Markus @mascho.bsky.social 💻 Blue Team Training @ Blue Cape Security
Bill Demirkapi @billdemirkapi.bsky.social solving security at scale. reserved for future use.
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
Black Hat @blackhatevents.bsky.social The world's premier Technical Cybersecurity Conference Series
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
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
Filippo Valsorda @filippo.abyssdomain.expert @geomys.org founder / RC F'13, F2'17
Cryptogopher / Go cryptography maintainer
https://filippo.io / https://github.com/FiloSottile
https://mkcert.dev / https://age-encryption.org
https://sunlight.dev / https://filippo.io/newsletter
Northrop Grumman @northropgrumman.bsky.social Bringing the toughest problems in space, aeronautics, defense, cyberspace, and nuclear warfare into the 21st century. Learn more at northropgrumman.com/bsky.satire
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.
PortSwigger @portswigger.net We are a leading provider of software and learning on web security. We make Burp Suite and the Web Security Academy.
0xdf @0xdf.bsky.social Principal Training Architect @ HackTheBox
CTF Addict
"Potentially a legit researcher"
he/him
Website: https://0xdf.gitlab.io/
YouTube: https://www.youtube.com/c/0xdf0xdf
Twitter: 0xdf_
Discord: 0xdf
Mastadon: 0xdf@infosec.exchange
Raphaela Mettig @rmettig.com Researcher and PhD student. Personal account.
rmettig.com/about
Joshua Wright @joswr1ght.bsky.social Professional hacker, accidental educator. Rhode Island is not an island.
SpecterOps @specterops.io Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management
The DFIR Report @thedfirreport.bsky.social Real Intrusions by Real Attackers, the Truth Behind the Intrusion.
https://thedfirreport.com
Robert Reich @rbreich.bsky.social Berkeley professor, former Secretary of Labor. Co-founder of @inequalitymedia.bsky.social and @imcivicaction.bsky.social.
Substack: http://robertreich.substack.com
Buy my new book: https://sites.prh.com/reich
Visit my website: https://rbreich.com/
David Bombal @davidbombal.bsky.social YouTube: http://youtube.com/davidbombal
Discord: http://discord.davidbombal.com
Website: http://davidbombal.com- T @tcmsecurity.bsky.social @tcmsecurity.bsky.social
- O @offsec.bsky.social @offsec.bsky.social
Alethe @alethe.bsky.social ‘Uh-Lee-th’ | Bishop Fox 🦊 Red Team | DEF CON Goon & Black Badge Hall of Fame | DEF CON Social Engineering CTF Winner 2019 | Physical Pentester | IVR Pentester | IR Tabletop King 👑
Safa 🇿🇦 in NorCal 🇺🇸 - Fish 🐠 Nerd - Jeep Girl
Darkslaker @darkslaker.bsky.social @bishopfox Regional Director | Gamer, computer cyber sec enthusiast | Mex4’s | @bsidescdmx | Ex- Lyft | Ex-Scitum| @lasalle_mx |
Sick.Codes @sickcodes.bsky.social Weaponizing source code 🧬 http://discord.gg/sickchat 🐘 http://sick.social/@sickcodes 🤖 http://t.me/sickcodeschat
Volexity @volexity.com Volexity is a cybersecurity firm founded by the pioneers of memory forensics. Volexity delivers transformative solutions & services to governments & organizations worldwide, increasing enterprise visibility & facilitating rapid intrusion detection.
MalwareHunterTeam @malwrhunterteam.bsky.social https://x.com/malwrhunterteam | https://id-ransomware.malwarehunterteam.com/
vx-underground (automated mirror) @vxundergroundre.bsky.social The largest collection of malware source code, samples, and papers on the internet.
Password: infected
(unofficial, this is a bot! Maintained by a private individual, the bot can't handle retweets or replies, support soonish)
Adam Grant @adamgrant.bsky.social Organizational psychologist @Wharton. #1 NYT bestseller: THINK AGAIN. Podcasts: Re:Thinking & WorkLife. Diver. Arguing like I’m right, listening like I’m wrong.
Treadstone 71 @treadstone71.bsky.social 
Gary Vaynerchuk @garyvee.com ✈️ CEO/Chairman @vaynermedia @vaynersports
🐈⬛ Creator @veefriends
🔮 Investor FB,Venmo,Twitter,Liquid Death
garyvee.com/attention
The Washington Post @washingtonpost.com Democracy Skies in Blueness
Don Lemon @donlemonofficial.bsky.social Truth Teller
Mark Cuban @mcuban.bsky.social Entrepreneur
Costplusdrugs.com
pyr0.bsky.social @pyr0.bsky.social Dad, Hacker, Hunter, Off Grid Nerd.
Bob Carver @cybersecboardrm.bsky.social #CyberSecurity #infosec #privacy #AI #ML #disrupt #blockchain #startups #Cloud #FutureOfWork #technology #KeynoteSpeaker RP != agree
https://linkedin.com/in/bobcarver- L @logrhythm.bsky.social @logrhythm.bsky.social
Exabeam @exabeam.bsky.social Exabeam is the leader in Behavior Intelligence for the agentic enterprise. Learn more at www.exabeam.com.
Axios @axios.com Smart Brevity worthy of people's time, attention and trust.
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