Jack Sterling @jackceoai.bsky.social Observant, strategic, calm. Shares genuine observations about leadership, building systems, and long-term thinking. Asks good questions. Speaks like someone who's built and lost and built again.
KL3FT3Z @toxy4ny.bsky.social Red Teamer & Offensive AI Researcher. Creator of redteam-ai-benchmark and other open-source redteam tools. Writing about LLM security and safety, system’s hardening and adversarial AI.
Gitlab.com- https://gitlab.com/toxy4ny
Dev.to - https://dev.to/toxy4ny
Window Snyder @windowsnyder.bsky.social 
Rich Stroffolino (非球面) @mranthropology.bsky.social Podcaster with the CISO Series and It’s a Thing. Film photography, synthesizer, and coffee enthusiast.
Hackers on the Hill @hackersonthehill.org A semi-regular gathering for irregulars from the security research community to engage with Congressional staffers. Run by I Am The Cavalry, bridging the gap between the hacker and public policy communities since 2017.
Ethical Hacker @cybercod.bsky.social Ethical Hacking & Cybersecurity
terminaltools.blogspot.com
CYBERLAWCON @cyberlawcon.bsky.social Join us in shaping the future of cyberlaw on Friday, February 28, 2025 in Arlington, VA.
PEBKAC @telecom-terrorist.com Welcome to Internet
I love you
Brain Sharts: https://bsky.app/profile/did:plc:ny6qk2qqjt7fegqh3qig53oc/feed/aaacklhsphxpk
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
Skeets App @skeetsapp.com ...an accessible 3rd party iOS / iPadOS Bluesky App
Key Features:
- Keep reading position
- Edit posts
- Post notifications
- Bookmarks
- Drafts
- Push Notifications filter
Get it here: https://www.skeetsapp.com
created by: @seabass.bsky.social
Flashes App 🌩️ @flashes.blue A photo viewing client for u from the creator of @skeetsapp.com & @bluescreen.blue
iOS: https://t1p.de/b3o4x
Android: Not available yet
❓ FAQS: https://t1p.de/24kj0
🐞 Bug Reports: https://t1p.de/phwii
💡 Feature Requests: https://t1p.de/8tmnc
Claire @claireerwin.bsky.social Nature enthusiast
Integrated Systems Europe (ISE) @iseshow.bsky.social The world-renowned annual tech show for the systems integration and audiovisual industry. Barcelona. 2-5 Feb27. #ISE2027. Save the date!
Denver Police Department @denverpolice.bsky.social Official Bluesky account for the Denver Police Department.
***Not monitored 24/7***
For police services, call 720-913-2000 or call/text 911 for emergencies.
🄲🅈🄱🄴🅁 🄰🅂🄸🄰 @cyber-asia.bsky.social Follow us for the latest #cybersecurity news in Asia.
Join 4,000+ members → 🔗 https://linktr.ee/cyberasia
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
Ars Technica @arstechnica.com Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
Greg Otto @gregotto.bsky.social @gregotto from twitter, now on bluesky. Editor-in-Chief at CyberScoop. Host of Safe Mode. Better with words than I am with code.
Nicole Beckwith @nicolebeckwith.bsky.social Sr. Manager, Threat Operations @kroger 🍓 CTI, Hunting, Detection Engineering, Insider Risk, Fraud & Forensics 💻 Fmr LE & DFIR for OH & Secret Service TF. #FSD #w00w00 #CFC
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
Sam Riddell @riddellsam.bsky.social Senior Analyst at Google Threat Intelligence Group. Focused on info ops & cyber threat intelligence.
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
Megan Stifel @megans.bsky.social Mom. Cyber & NatSec policy and law. Not what you might think.
🇺🇸
Shannon Vavra @shanvav.bsky.social National Security & Cybersecurity | Priors: @cnas.bsky.social Fellow, National Security Reporter @thedailybeast.bsky.social, @cyberscoop.bsky.social, @axios.com | Probably in need of covfefe and a snack | shanvav01 on Signal
Sam Sabin @samsabin.bsky.social Axios cybersecurity reporter, taking it day by day ✨ | 📩: sam.sabin@axios dot com, signal: SamSabin.01 (no pitches!), she/her
Whitney Merrill @wbm312.bsky.social I nudge people to care about privacy and security. CPO/DPO. Privacy/infosec lawyer. Hacker. Fighting for privacy, digital civil liberties & the users. Ex @EA @FTC |my views are my own. I used to post on Twitter at @wbm312.
Lee Foster @leefosterintel.bsky.social AI Security / Cyber Threat Intel / Disinformation / Influence Operations. Founder aspectlabs.ai, Adjunct at Johns Hopkins SAIS Alperovitch Institute for Cybersecurity Studies, formerly Director of Influence Ops Analysis at Mandiant. All views my own etc.
Christopher Glyer @cglyer.bsky.social Microsoft Threat Intelligence Center - Former Incident Responder & Chief Security Architect @Mandiant
David Priess @davidpriess.bsky.social Intelligence, geopolitics, and the Arctic | 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
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 
Robert Graham @erratarob.bsky.social @erratarob on the hellscape site
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
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.
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.
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
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
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
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
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.
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
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
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
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
SteveD3 (Steve Ragan) @steved3.io Father. Grandpa. Geek. Hacker. Former journalist. Security researcher. CMO @BSidesLV.org Member: Curated Intel 
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.
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
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
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
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
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
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
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.
David Litchfield @litchfield.bsky.social Dad, Powerlifter, Security at Apple, Photographer
jamesejr @jamesejr.com Security Engineer @ Discord. Detection & Response Engineering. Previously @ Cloudflare.
Technology, food, travel, and photography. https://jamesejr.com
Tal Skverer @taltechtreks.com Security Researcher | Blog writer | Hacker | DEFCON speaker | Gamer | Silly stuff lover.
https://taltechtreks.com/
goggan @goggan.bsky.social 
Ric @ricderby.com Principal security researcher - Orange Cyberdefense
Honorary researcher - @imperialcollegeldn.bsky.social
OT, CNI, novel attack techniques, quantitative risk
motorcycle & guitar obsessive | cat hoarder
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
Jai Like the Letter is going to Defcon 34 @s0ciabl3ng.bsky.social Learner| Hacker | Reader | Winemaker | Crafter | Hack3r Runway owner | Defcon contest | Wife | Mom | Ally | CEH, CISSP, Pentest+ MLSE. Just me. No DMs. Find me everywhere @S0ciabl3ng she/her
http://hack3rrunway.square.site
I make the floppy disk earrings
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.
Gaffers @gaffers.bsky.social He/him
Aircraft Cybersecurity Principal Engineer by day, hacker of drones by night
British fella in Chicago
#BikeCHI #aviation #cybersecurity
I'm doing my best to be an LGBTQI+ ally, always open to learn how I can improve as a human
Malort enthusiast
Joseph Frusci @theaveragejoe.org Cybersecurity | Cloud | AI | Networking | Education | Coffee
https://linktr.ee/joseph.frusci
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.
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
LimaCharlie @limacharlie.io Security tools and infrastructure on-demand. Use LimaCharlie to automate and manage security operations at scale.
Amy Renee @amyengineer.bsky.social All things networking & security.
Sharer of knowledge, purveyor of puns, curator of amusement. Wielder of snark & sparkly bats.
@amyengineer@infosec.exchange
@amyengineer on the Twitters
🦩Bob🦩 @bobblakley.bsky.social Astros fan, photographer, identity, security, and privacy guy, flamingo aficionado.
Tanisha L. Turner @cybersecdiva.bsky.social Cybersecurity Professional | Malware Researcher | Threat Hunter | <Detection> | SecOps
All Views expressed are my own.
Mrs. Y @mrsyiswhy.bsky.social Security Bene Gesserit and professional nerd stalker. Likes long walks in hubsites and searching for spice. Views: definitely those of my puppet overlords. Location: kernel space https://linktr.ee/chubirka
Frank S @ninja.style I like to make stuff and do hacks. Consultant penetration tester for 9 years. #cybersecurity #infosec #hacking Denver CO. https://github.com/ninjastyle82
Jill 🦋 @jill.svpn.com @svpn.com team
Tonya Riley @tonyariley.bsky.social Writing weird girl lit. Rep: @starlingliterary.bsky.social
Phil Reitinger @philr.bsky.social (he/him) Principal Engineer. Cybersecurity, Jaguars and dogs. Mostly retired, chair of Common Good Cyber Fund Strategic Advisory Committee. Florida man.
MetropleX @metroplex.bot Privacy is a Human Responsibility
Oversharing is not Caring
Priv/Acc
GrapheneOS Advocate
@grapheneos.org
Channels:
Discord: https://grapheneos.org/discord
Matrix: https://matrix.to/#/#community:grapheneos.org
Personal | Likes/Repost ≠ Endorsement
GrapheneOS @grapheneos.org Open source privacy and security focused mobile OS with Android app compatibility.
https://grapheneos.org/
Daniel Micay @daniel.micay.dev Security researcher/engineer working on mobile privacy/security. Founder of GrapheneOS.
404 Media @404media.co it's a website (and a podcast, and a newsletter) about humans and technology, made by four journalists you might already know. like and subscribe: 404media.co
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
Filippo Valsorda @filippo.abyssdomain.expert RC F'13, F2'17
Cryptogopher / Go cryptography maintainer
Professional open source maintainer
https://filippo.io / https://github.com/FiloSottile
https://mkcert.dev / https://age-encryption.org
https://sunlight.dev / https://filippo.io/newsletter
Dan Conn @danconn.dev Staff Platform Security Engineer by day, bad musician by night. Also Hacker, Coder, Runner, Feminist.
5x Marathon Runner, 2x HM, 2x 10k🏃
Personal Acc.
https://danconn.dev