rob pike @robpike.io Long career as a dilettante at Bell Labs Research and Google, mostly building weird stuff no one uses, but occasionally getting it right, such as with UTF-8 and Go.
Matt Green @mgreen27.bsky.social Velociraptor@Rapid7. #DFIR, #CTI and research.
https://mgreen27.github.io
Jon Stewart @codeslack.bsky.social Not the Jon Stewart you miss.
DFIR developer at Stroz Friedberg/Aon Cyber.
julia 🦆 @paluch.dev software engineer and garden salsa sunchip enjoyer. i leave no bird unwatched
jack @malwareforme.bsky.social Security researcher
Bendik H @vmptrst.bsky.social Packet slinger, binary enjoyer.
Saher @saffronsec.bsky.social Espionage Threat Research @ Proofpoint. Former @virtualroutes.bsky.social fellow. @warstudieskcl.bsky.social alum. She/her
Andrea @justaddnotes.bsky.social Military veteran, linguist, and cybersecurity professional. Areas of focus: Advanced Persistent Threats, ransomware, disinformation, Artificial Intelligence, Language. Слава Україні, Героям слава! 🇺🇦💛💙
TheMalwareMan @themalwareman.bsky.social 
Kimberly Goody @tiskimber.bsky.social Cyber Threat Intelligence
Brian Gardiner @briangardiner.bsky.social Threat Intel | C2 Tracking | Fly Fishing
Joe Hannon @joehannon52.bsky.social MSTIC
Arda Büyükkaya @whichbufferarda.bsky.social Cyber Threat Intelligence Analyst at Rabobank. (All opinions expressed here are mine only). #cybersecurity
Fabian Bader @fabian.bader.cloud #Security #Azure #EntraID #XDR #MDE #Identity #M365 #AD #PKI #KQL
Microsoft MVP
Tweets and opinions are my own
Albert Zsigovits @kernelv0id.bsky.social Senior Malware Researcher @VMRay
AJ King @ajking.io Threat Research at SnapAttack now part of Splunk now part of Cisco / Detection Engineering / Dad | #DetectionEngineering #ThreatHunting #PurpleTeam | Header art from http://art.vx-underground.org.
Jeffrey Lewis @armscontrolwonk.bsky.social William J. Perry Lecturer at Stanford CISAC & Distinguished Research Fellow FPRI. Member of the Bulletin of Atomic Scientists Science and Security Board & National Academies Committee on Int’l Security and Arms Control.
Max Rogers @maxrogers5.com Sr. Director of SOC at Huntress. Ex-Mandiant/FireEye. Bringing security to the Fortune 5,000,000.
Alan Neville @abnev.bsky.social Principal Intelligence Analyst @ Symantec. Views are my own etc. https://keybase.io/abnev
OpenSecurityTraining2 @opensectraining.bsky.social 501(c)(3) Nonprofit providing Open Source and Open Access computer security training material. #OST2 re-launched July 2021!
Ryan Kalember @kalember.bsky.social CSO @ Proofpoint. Infosec lifer. Charter member of nerd nation. MacKenzie appreciator. Forza Inter.
RationalEdge @rationaledge.bsky.social Traditional malware analysis platforms give you verdicts. RationalEdge gives you understanding. Transform your threat analysis workflow with intelligence you can understand and trust.
Learn more at https://rationaledge.io
@dumbpasswordrules.bsky.social @dumbpasswordrules.bsky.social I'm a bot posting random sites from https://dumbpasswordrules.com.
Created by https://bsky.app/profile/duffn.bsky.social.
Also posting on Mastodon at https://infosec.exchange/@dumbpasswordrules.
Blue Team Con @blueteamcon.com Blue Team Con is an annual cybersecurity conference built for defenders, inclusive of anyone interested in safeguarding organizations.
https://blueteamcon.com
Stay Tuned on Blue Team Con 2027!
Institute for Security and Technology @istorg.bsky.social We are the 501(c)(3) critical action think tank that unites technology and policy leaders to create solutions to emerging security challenges.
https://securityandtechnology.org/
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.
CISO Series @cisoseries.com CISO Series is a media network for cybersecurity professionals, delivering the most fun you’ll have in cybersecurity. Home of the podcasts Defense in Depth, Cyber Security Headlines, and the CISO Series Podcast.
https://cisoseries.com
Lab401.com @lab401.bsky.social Europe based pentesting products distributor #Proxmark #Flipperzero #USBKILL #NFCkill #Macobox rewritable #rfid tags and more #infosec #blueteam #redteam
Gate 15 @gate15.bsky.social Cyber and all-hazards risk and resilience. At Gate 15 we apply a threat-informed & risk-based approach to analysis, resilience, & operations, helping to secure America’s People, Places, Data, & Dollars.
Ransomware.live @ransomware.live Ransomware.live tracks & monitors ransomware groups' victims and their activity. It was created by @Julien.io, a security researcher. The website provides information on Ransomware groups, victims, negotiations, payment demands and much more.
TechCrunch @techcrunch.com Technology news and analysis with a focus on founders and startup teams.
Got a tip? http://techcrunch.com/tips
TrustedSec @trustedsec.com End-to-end Cybersecurity consulting team leading the industry, supporting organizations, and giving back. #HackThePlanet
https://trustedsec.com/
Dark Reading @darkreading.bsky.social One of the most widely read and trusted cybersecurity news sites, providing IT security professionals informed insights into the latest news and trends.
Cisco Talos Intelligence Group @talosintelligence.com Cisco Talos defends Cisco customers with trusted global cybersecurity intelligence. Support requests: https://talosintelligence.com/support
XBOW @xbow.com Bringing AI to offensive security by autonomously finding and exploiting web vulnerabilities. https://xbow.com/
The Record @therecordmedia.bsky.social Covering the world of cyber and intelligence from every angle.
Bloomberg News @bloomberg.com The first word in business news.
Newsletters: http://bloom.bg/newsletters
Podcasts: http://bloom.bg/podcasts
The Big Take podcast: http://trib.al/jtoXfuT
The Wall Street Journal @wsj.com Since 1889 🗞️
Sign up for our newsletters and alerts: http://wsj.com/newsletters
Got a tip? http://wsj.com/tips
Follow our staff: https://go.bsky.app/2ppWqxF
ICS Advisory Project @advisoryics.bsky.social The ICS Advisory Project is an open-source project that provides Critical Infrastructure Security Agency (CISA) ICS Advisory data in CSV format and supports multiple interactive dashboards for OT/ICS Asset Owners' vulnerability management.
The New York Times @nytimes.com We seek the truth and help people understand the world. Not a subscriber? Your first month is now free in our app. https://nytimes.onelink.me/Xpht/zbx4nci9
Mathew J Schwartz @mathewjschwartz.bsky.social Cybersecurity reporter 
—>realhackhistory.org @bsky.realhackhistory.org O͖̺͊̕͡ͅfficial bluesky for realhackhistory YouTube channel & blog, skeeting the #history of phreaks, #hacking & #hacktivism as well as portrayal of hackers in media. I do some threat intel & OSINT. No AI used. Hobbyist #skystorian.
https://realhackhistory.org/
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!
Blenster 🅅 @blenster.com I used break things and write detailed reports but now I'm management. Rapid Prototyper. Maker. Apprentice Knifemaker. Sometimes I try to help explain social situations to dudes.
Trans rights are human rights and Black lives matter.
I love you.
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
Freedom of the Press Foundation @freedom.press Protecting, defending public interest journalism in the 21st century.
Donate: freedom.press/donate
Subscribe to our ne🦋sletters: https://freedom.press/newsletters/
Staff, board members and allies in our Starter Packs.
More: linktr.ee/freedomofpress
CovertSwarm @covertswarm.bsky.social 
BSides Pyongyang @bsidespyongyang.bsky.social 🇰🇵 #BSidesPyongyang2025 : Nov 18 2025 (Missile Industry Day) @ Lazarus HQ Pyongyang
https://bsidespyongyang.com/
DPRK CERT @dprkcert.bsky.social Official Computer Emergency Response Team (CERT) for the Democratic People's Republic of Korea
#NorthSide #NorthKoreaBestKorea
Carlos Robles BNO @carlosroblesbno.bsky.social Journalist at @BNONews
CivicWire @civicwire.com CivicWire, from the founders of
@BNONews and Twitter's BreakingNews, launches in 2023. Announcement soon.
OC_Scanner @ocscanner.bsky.social Discussing Public Safety,National Security, Intelligence and Politics in OC, SoCal and beyond. Radio Traffic isn’t the Final Word #ScannerOn #OSINT
thebaldgeek @thebaldgeek.bsky.social Decoding satcom ACARS messages one byte at a time. Helping OSINT avgeeks understand aircraft data / tracking. Maps and live data can be found here: thebaldgeek.github.io
Vatnik Soup @vatniksoup.bsky.social Fighting Disinformation since 2022.
All soups: https://vatniksoup.com/
Debunk of the Day: https://vatniksoup.com/en/topics/debunk-of-the-day/
Why we soup: https://vatniksoup.com/en/soups/vs2/
Support our work: https://vatniksoup.com/en/support-our-work/
TopCargo200 @topcargo200.com Tracking 🇷🇺 Russian senior officer deaths in 🇺🇦 Ukraine since February, 2022. We do not aim to be the first to publish, we work to provide the most comprehensive information available on every officer.
Naval News @handle.invalid navalnews.com is updated daily with in-depth features, industry and naval forces news round-ups, event coverage, video reports and more.
TankerTrackers.com, Inc. @tankertrackers.com Trusted by maritime insurers, oil producers & traders, finance, governments and top news orgs to track down oil shipments. Vessel pronouns are she/her. Got it?
EndGameWW3 @endgameww3.bsky.social Events leading to the next Global Conflict also National and International News…U.S. Navy Veteran⚓️
AZ Intel | Personal @andreazintel.bsky.social Founder of AZ Intel, upcoming voice actor for several projects.
Ian Hanschen @furan.bsky.social Principal OS Engineer. One of the four engineers who built DWM. Shipped graphics code across Windows, Xbox, and beyond. Served time at Microsoft and Intel. Here for retro hardware. Projects at https://www.hackaday.io/furan
benji @eax.dev gay animal on the internet. embedded hardware & security researcher. 21M.
The Official Pulpit of CULT OF THE DEAD COW @cultdeadcow.com www.cultdeadcow.com
Sebastian Kinne (sebkinne) @seb.xyz Hacker, security @ Google.
Joseph Hewitt @jhewitt.net Cybersecurity consultant with an interest in electronics. British, but now living in The Netherlands. Creator of the ESP32 wardriver: wardriver.uk
Recon @reconmtl.bsky.social Recon is the premier Reverse Engineering and Security conference held annually in Montreal. https://recon.cx
Iceman @iceman1001.bsky.social RFID hacker, Proxmark, NFC & EMV | Magic moon beans | Four spaces instead of Tab | https://youtube.com/@iceman1001/
fidget @eismc2.bsky.social CTFer, SOC Goon, EFF Trivia Judge, bsidesLV SafetyOp Lead, bsidesden MC, HUMINT, CTI, Masochist, Internationally Recognized SME on Human Behavior, Speaker
Animals, poetry, pain, beauty, anarchy, Burn (the man and the world)
I have become the Abyss
R00t Killah @r00tkillah.bsky.social red @ Oracle Cloud Infrastructure ☁️🐚@⚖️; hacker; opinions my own; he/him
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.
Kelly Shortridge @shortridge.bsky.social software resilience, cybersecurity, complex systems | chief product officer @fastly.com | nyc
“In the information society, nobody thinks. We expected to banish paper, but we actually banished thought.”
kellyshortridge.com
@swagitda_ on Twitter
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
Joo N/A @joohoi.bsky.social Hacks for beer. FOSS, infosec and privacy. Chaotic good.
Nicolas Grégoire @agarri.fr Web hacker 😈
Burp Suite Pro trainer 👨🏫
Maintainer of @mastering-burp.agarri.fr 🛠️
Masato Kinugawa @masatokinugawa.bsky.social '"><>ma<s>ato
Marco Squarcina @minimalblue.bsky.social Senior Scientist @TU Wien / Web & Mobile Security / #drumandbass DJ
🚩 with @mhackeroni.bsky.social We_0wn_Y0u kukhofhackerei Team Austria
🔗 https://minimalblue.com/
harisec @harisec.bsky.social Interested in web security, bug bounties, machine learning and investing. SolidGoldMagikarp
Gareth Heyes @garethheyes.co.uk Web security researcher at PortSwigger. Author of JavaScript for Hackers, Shazzer and Hackvertor.
https://javascriptforhackers.co.uk/
https://garethheyes.co.uk/
SeanWrightSec @seanwrightsec.com Principal Application Security Engineer focused on all things #AppSec. Occasionally dabble in my own research. Also keen gamer and aspiring photographer.
Philippe De Ryck @philippederyck.bsky.social I help developers protect companies through better web security
terjanq @terjanq.me security enthusiast that loves hunting for bugs in the wild. co-founder and player of @justCatTheFish.
infosec at @google. opinions are mine.
From: https://twitter.com/terjanq
Eiji Kitamura / えーじ @agektmr.com Google Chrome DevRel Identity Tech Lead - Anything about browser identity features: passwords, OTPs, passkeys, identity federation, digital credentials, etc
Emily Stark @estark.bsky.social Encryption, HTTPS, certificates, web security, security UX, software engineering and management, TMI about parenting. Opinions are my own.
Lukas Weichselbaum @webappsec.dev Leading Google's web security team.
Passionate about web security and making secure-by-default web development the norm. Contributed to web platfom security features like CSP, Fetch Metadata, COOP and Trusted Types.
@cyber-vi-king.bsky.social @cyber-vi-king.bsky.social 
Zach @zach.ws 
Eric Betts @bettse.bsky.social https://ericbetts.org
ATC1441 @atc1441.bsky.social Hack the planet!
my biggest passion is to run a custom firmware on as many devices as possible
Mikhail Shcherbakov @yu5k3.bsky.social Doing security research. For fun and profit...
bubu @albertofdr.bsky.social about://inducebrowsercrashforrealz 🍕🖥️
https://albertofdr.github.io/
Lauritz @lauritz-holtmann.de IT-Security Researcher, Pentester and Bug Hunter. Passionate about 💻, 🤽♂️, ⚜️, 🎸 and ⚽ #meinVfL
#Kaeferjaeger + H1 Ambassador
🏠 https://security.lauritz-holtmann.de
0x999 @0x999.net 
smaury @smaury.bsky.social Co-Founder @shielder.com
CTF Player jbz.team
Cliff Jumping Lover (23mt max so far)
Orange Tsai @orange.tw This is 🍊
@nvx.bsky.social @nvx.bsky.social 
Ryan McBeth @ryanmcbeth.bsky.social Author, Army Vet, OSINT Intelligence Analyst, Programmer, Cyber guy. http://Ryanmcbeth.substack.com https://www.youtube.com/@RyanMcBethProgramming
John Marquee @johnmarquee.bsky.social Observer. OSINT/IMINT. Geolocation. GIS. Usual caveats.
Baptiste Robert @fs0c131y.com CEO @ Predicta Lab | French Security Researcher, Ethical Hacking, OSINT
Cyber Detective @cybdetective.bsky.social Every day I write about #osint (Open Source Intelligence) tools and techniques. Also little bit about forensics and other cybersecurity related themes