Zach @zachys.bsky.social Disrupting cybersecurity education. 
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
Carly Page @carlypage.bsky.social Journalist & copywriter with 10+ years covering the tech industry, formerly senior cybersecurity reporter at TechCrunch. Bylines include IT Pro, LeadDev, The Register, The Telegraph, TIME, WIRED, & more.
☎️ Signal: carly.44
✉️ carlypagewrites@gmail.com
Simon @4077.bsky.social Cybersecurity
Video games, retro gaming
Comedy nerd
History, geopolitics
Québec, Canada
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
Pithy Security | InfoSec Made Simple @pithysecurity.bsky.social Pithy Security is a newsletter about cybersecurity and IT security news. We cover breaches and the latest exploits. Join if you're a security pro or anyone who loves privacy.
Join Free - pithysecurity.substack.com
Made By - @mrcomputerscience.bsky.social
Valdemar Balle @valdemarballe.bsky.social Dedicated to OSINT, SOCMINT & vHUMINT | MSc Data Science Stud. | BSc Sociologist | Founder of Darksight Analytics | Co-founder of OSINord | Paliscope Ambassador | OSINT Blogger
Acyn @acyn.bsky.social Senior Digital Editor for MeidasTouch.com
Clips made with SnapStream
Internet Hooligan...
Ian Coldwater 🧊🚫 @lookitup.baby Kubernetes SIG Security Co-Chair, container escape artist, goose in the mainframe. Minneapolis. They/them. Stay punk 🏴
MSP feed info: https://bsky.app/profile/amityf.bsky.social/post/3mrv36uo4pc2a
CodyD @codyode.bsky.social I don’t offer much, but 383985837,&3&/8,9492@,&4&5!;!27;829;093 so that’s good!
Toad Gravy @fleabeard.bsky.social maker / cybersecurity pro / hacker / gamer / cyberelder / nerd-of-all-trades
Brian Bradley @brianbradley.bsky.social Cybersecurity professional that's constantly reminding people to try turning it off and on again. Security+ | CISSP | CISM | Scrum Master
Mark Cuban @mcuban.bsky.social Entrepreneur
Costplusdrugs.com
hakan @hatr.bsky.social reporter covering cyber (both crime and state-sponsored) for Der Spiegel and ZDF, short overview at https://linktr.ee/hakantanriverdi, Signal: hakan.25
@halvarflake.bsky.social @halvarflake.bsky.social 
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Robert Graham @erratarob.bsky.social @erratarob on the hellscape site
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
Dan Black @danwblack.bsky.social Previously Google, NATO, 🇨🇦 Government. Views mine and mine only.
Danny Moore @moore.bsky.social Cyber-warfare | PhD from KCL | Author of 'Offensive Cyber Operations' | Security @ Meta 
Jason Kikta @kikta.net // Somehow a CTO/CISO
// JHU SAIS @alperovitch.institute adjunct
// @istorg.bsky.social adjunct sr tech advisor
// Former CNMF
// Retired US Marine Corps
// Personal views and invective
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
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
the grugq @thegrugq.bsky.social 
Alex Ionescu @ionescu.bsky.social Windows Internals Author, Developer, Reverse Engineer, Security Researcher, Speaker, Trainer, and most recently Nation State Hacker.
Core OS Platform Developer at Apple, Hyper-V Vendor at Microsoft, Chief Architect at CrowdStrike and now Director at CSE.
Heather Adkins @argv.bsky.social VP Security at Google. Co-Chair Cybersafety Review Board, Co-Author Building Secure and Reliable Systems. r00t. Medieval historian.
J. A. Guerrero-Saade (JAGS) @jags.bsky.social VP of Intelligence and Security Research, Senior Technical Fellow (AI) @ SentinelOne.
Distinguished Fellow and Adj Professor @ Hopkins SAIS Alperovitch Institute. Three Buddy Problem Co-Host. LABScon Founder, Cyber Paleontologist, Fourth-Party Collector.
@mikko @mikko.bsky.social Fighting malicious use of technology.
Thorin Klosowski @thorinklosowski.com Security and privacy activist at EFF, I work mostly on SSD | this account is mostly shitposts, auto-deletes posts every 30 or so days
Drew Harwell @drewharwell.com tech & society @washingtonpost.com
stories: https://drewharwell.com/
videos: tiktok.com/@drewharwell
+ instagram.com/drewharwell
Ken Klippenstein @kenklippenstein.bsky.social Independent journalist.
Send tips via Signal: 202-510-1268.
Join my newsletter 👇👇👇
kenklippenstein.substack.com
kate conger @kateconger.com tech reporter for the NYT!
co-author of CHARACTER LIMIT!
signal: kateconger.11
buy our book: https://www.penguinrandomhouse.com/books/737290/character-limit-by-kate-conger-and-ryan-mac/
tour dates & translations: https://linktr.ee/kateconger
Lawfare @lawfaremedia.org Straight-shooting information and analysis at the intersection of national security, law, and policy.
Support Lawfare at https://www.lawfaremedia.org/support
Raphael Satter @raphae.li Journalist. Contact me here: https://raphae.li or on Signal: raphaelsatter.01
Molly White @molly.wiki writes citationneeded.news • runs @web3isgoinggreat.com and @influence.citationneeded.news • tech researcher and cryptocurrency industry critic • software engineer • wikipedian
support my work: citationneeded.news/signup
links: mollywhite.net/linktree
💗💜💙
Eric Geller @ericjgeller.com Senior reporter at @CybersecurityDive.bsky.social covering all things digital security. I also co-host @hothtakes.bsky.social. | Send me tips: https://ericjgeller.com/contact.html
Matt Blaze @mattblaze.org Scientist, safecracker, etc. McDevitt Professor of Computer Science and Law at Georgetown. So-called expert on election security and a few other things. Slow photographer. RF nerd. Occasionally blogs at https://mattblaze.org/blog
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
Bob Lord @boblord.bsky.social Cautiously pessimistic, esp. about cyber things.
The owls are not what they seem. 🗻🗻🦉🌲🪵 🍒🥧☕️🍩 🕵🏼♀️ 👍🏻
Also: 🔐🔑🔒
And of course: hacklore.org
Other account: @hacklore.bsky.social
Lorenzo Franceschi-Bicchierai @lorenzofb.bsky.social Real-time historian of the late cyber capitalist era @TechCrunch, writing about the intersection of hackers, human rights, and spies.
Also writing a book about Hacking Team and the history of government spyware.
☎️ Signal: +1 917 257 1382
Donncha Ó Cearbhaill @donncha.is Head of Security Lab - Amnesty International
Hunting spyware and unlawful surveillance targeting activists and civil society.
For help with digital forensics or suspect spyware threats contact: https://securitylab.amnesty.org/get-help/
Marcia Hofmann @marciahofmann.com Digital rights lawyer and writer. Former Twitter, Electronic Frontier Foundation, Electronic Privacy Information Center, US-UK Fulbright.
Bill Marczak @billmarczak.org senior researcher at @citizenlab.ca
John Scott-Railton @jsrailton.bsky.social Chasing digital badness. Senior Researcher at Citizen Lab, but words here are mine.
The Citizen Lab @citizenlab.ca We are an academic research unit at the University of Toronto investigating novel threats to democracy, human rights, and global security in the digital ecosystem.
Ron Deibert @rondeibert.bsky.social Director of The Citizen Lab at the University of Toronto's Munk School of Global Affairs & Public Policy
Author of Chasing Shadows https://chasingshadowsbook.ca/ 
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
Sergiu Gatlan @serghei.bsky.social Cybersecurity/tech reporter @BleepingComputer / serghei.ro
Ben Rothke @benrothke.bsky.social I do information security, risk management and other tech stuff.
Co-author of new book: The Definitive Guide to PCI DSS Version 4: Documentation, Compliance, and Management.
https://amzn.to/3WhEfh1
Tim Starks @timstarks.bsky.social Senior reporter, CyberScoop, covering spyware, cyber policy and more. Russia-sanctioned. Former Washington Post, POLITICO, CQ Roll Call. @timstarks.02 on Signal. tim.starks@cyberscoop.com. Mastodon timstarks@infosec.exchange, X timstarks, Threads tstarks2.
Matthew Olney @kpyke.bsky.social I'm the Senior Director of Threat Intelligence and Interdiction at Cisco. A host of the Beers With Talos podcast. He/him.
Joe Uchill @joeuchill.bsky.social Potential game show contestant.
Former Axios, The Hill, Passcode. Founder of the Codebook cybersecurity newsletter. Once got lost in a Starbucks.
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
Vince Houghton @intelhistorian.bsky.social Fmr Dir Nat. Cryptologic Museum, NSA. Formerly IntlSpyMuseum; Miami native living in DMV; Author - Nuking the Moon, The Nuclear Spies, and Covert City; has “Grave Lack of Discretionary Judgment”-The Catholic Church; lesser half to @jordanspeak.bsky.social
Shane Huntley @shanehuntley.bsky.social Aussie security / tech guy.
Google Threat Intelligence. Co-founder Threat Analysis Group (TAG). Tweets are my own not my employers.
Joe Devanny @joedevanny.bsky.social Senior Lecturer | National Security & Cyber | Department of War Studies | King’s College London | All views mine, etc.
Dustin Volz @dustinvolz.bsky.social Washington correspondent for The New York Times focused on cyber conflict, digital espionage and intelligence. Prior stops at WSJ, Reuters, National Journal. https://www.nytimes.com/by/dustin-volz
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
Jessica Lyons @jessicalyons.bsky.social Cybersecurity editor @theregister.com Contact me with tips: jessica.lyons@theregister.com or jess.825 on Signal
Mama bear, book worm, outdoor lover, coffee and wine snob. PNW after decades in Santa Cruz but Blazers fan always.
Rachel Tobac @racheltobac.bsky.social Hacker & CEO @SocialProofSec security awareness/social engineering training, videos, talks | 3X @DEFCON🥈 | Ex Chair @WISPorg | Ex @CISAgov Technical Advisory Council under Director Jen Easterly
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Sean Gallagher @thepacketrat.net Birb stalker. Cat tree. Cyber Threat Researcher. Recovering cyber and natsec reporter. Meme war and US Navy veteran.
@thepacketrat everywhere since 1994. These posts are not my employers’. https://falling-anvil.com
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
SteveD3 (Steve Ragan) @steved3.io Father. Grandpa. Geek. Hacker. Former journalist. Security researcher. CMO @BSidesLV.org Member: Curated Intel 
AJ Vicens @ajvicens.bsky.social Cybersecurity correspondent at Reuters; former Mother Jones, CyberScoop. Will bore you with skateboarding, UFO lore or Denver Broncos minutiae on request. Signal: ajvicens.57, additional contact methods: https://tinyurl.com/47jc45h7
d4rkm4tter @darkmatter.bsky.social Hacker by day... and night
#WiFiCactus | #WiFiKraken
apexstorage.com
ProfDanny @profdanny.bsky.social Technology and risk delivering information security: Professor, PhD, FCIISec, cyber researcher, analyst, consultant, practitioner, father, grandfather.
Phillip Wylie @phillipwylie.bsky.social Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie
Joseph Menn @joemenn.bsky.social Washington Post alum covering hacking, disinformation and what’s left of privacy. Author of books on the Cult of the Dead Cow, organized criminal hacking, and Napster. Pulitzer co-finalist 2024. Signal joemenn.01
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.
Max Smeets @maxwsmeets.bsky.social Author of No Shortcuts & Ransom War
Co-director Virtual Routes (https://virtual-routes.org/), previously ECCRI
Managing Editor Binding Hook (https://bindinghook.com)
Senior Researcher, ETH Zurich
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
Kim Zetter @kimzetter.bsky.social Journalist - cyber/natn'l security. Speaker. Georgetown adjunct prof. Author - COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon
Signal: KimZ.42
https://www.zetter-zeroday.com
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
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
Drunk Binary @drunkbinary.bsky.social Senior Principal Adversary Hunter @dragosinc, Army Veteran,
Cocktail Scientist, APT Researcher | #FSD
https://infosec.exchange/web/@DrunkBinary
https://twitter.com/DrunkBinary
Silas Cutler @silascutler.bsky.social You may know me from your server logs.
#Malware, Hacks, Internet Scanning, #CTI
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
InfoSteph (92%) @stephandsec.com She/Her. Cybersecurity Educator & Engineer. Writer. Keynote Speaker. LinkedIn Learning Author (150K+ learners). Neurospicy (ADHD). Sharing insights to inspire growth and connection. Black and proud.
Stephandsec.com
Paul Chichester CMG MBE @0xchich.bsky.social Director Operations, NCSC, GCHQ. 30+ years in Government Cyber Operations. Views entirely my own and do not necessarily reflect those of my organisation. 🏴 🇺🇦
Lari Huttunen @svimes.inform.social #cybersecurity #judo #hovawart Not necessarily in that order.
(Also, I help organizations prepare for the unexpected.)
Photography: @photo.inform.social
Company: https://inform.social
Blog: https://fabricati-diem.inform.social
Dmitri Alperovitch @dmitri.silverado.org Geopolitics, Russia, China, Cyber
Chairman @silverado.org
Author of WorldOnTheBrink.com
Host GeopoliticsDecanted.com podcast
Founder Alperovitch Institute for Cybersecurity Studies at Johns Hopkins SAIS
Co-Founder CrowdStrike
@DAlperovitch elsewhere
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
Kevin Collier @kevincollier.bsky.social I cover digital threats for NBC News. Tip me! @kevincollier.01 on signal, kevin.collier@nbcuni.com. NYC, from West Virginia.
Jeremy Kirk @jkirk.bsky.social Okta Threat Intelligence. Personal account. Interests: Cyber threat intelligence, OSINT, data breaches, AI. Formerly intel analysis @ Intel 471. jeremykirk.com
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
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
Danny Palmer @dannypalmer.bsky.social Cybersecurity journalist and writer. Welsh. SE London.
Also likely to post about games, rugby, F1, wrestling, history & the cat.
I have a Simpsons reference for every occasion.
Horkos @wylienewmark.bsky.social waking up everyday in a full sprint. cyber(punk) & counterintelligence. bloody inertia interspersed with bouts of bloody frenzy. i see kanly today in everything.
#FUZZYSNUGGLYDUCK
opinions are my own.
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 🇺🇦
Brian Honan @brianhonan.bsky.social Irish cybersecurity pro, author, speaker, and commentator.
CEO of BH Consulting, Head of Ireland's first CSIRT - IRISSCERT, former member of ENISA Advisory Group, & former Special Advisor on CyberSecurity to Europol.
PGP ID 0xF1B5CF7D
Meredith Whittaker @meredithmeredith.bsky.social President of Signal, Chief Advisor to AI Now Institute 
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. 🏳️🌈
Ciaran Martin @ciaranm.bsky.social Cyber War. Huh. What is it good for?
Nicole Perlroth @nicoleperlroth.bsky.social cyber raconteur | author THIS IS HOW THEY TELL ME THE WORLD ENDS | former @nytimes | now betting on heroes @ Silver Buckshot Ventures + Venture Partner at Ballistic Ventures.