安坂星海 Azaka || VTuber @azaka.fun ‧₊˚ ⋅ Indie Comfy VTuber
⊹˚. Employed Threat Intel Researcher
♡‧₊˚ SynthV-P-wannabe
🎨: @jamama666.bsky.social
🖌️: #artsyaz
🐦: x.com/azakasekai_
https://links.azaka.fun
Jack Sapoch @jacksapoch.bsky.social Borders, osint, & digital investigations / investigations @lighthousereports.com , sometimes more
—>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/
Jurre van Bergen @jurrevanbergen.nl Exposing the baddies - Here's how to contact me securely: https://gist.github.com/DrWhax/61978d4e7df5291d4cf308f10dc20d5a
2600 - The Hacker Quarterly @2600.com Since 1984, 2600 Magazine has published the hacker perspective and documented the development of the hacking community. In addition to the magazine, we have a weekly radio show ("Off The Hook") and a biennial conference (Hackers On Planet Earth - HOPE).
The Lost Comms 🇳🇴 🇪🇺 @thelostcomms.bsky.social 🇳🇴 Soldier keeping an eye on stuff.
- Nordics/Scandinavia mainly.
Random posts only for the time.
-Ordo ab chao- слава Україна 🇺🇦
Josh Hickman @thebinaryhick.blog https://thebinaryhick.blog
TrendAI Zero Day Initiative @thezdi.bsky.social TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
The Dustin Childs @dustinchilds.bsky.social Just a simple information security gnome trying to make his way through the universe. Part-time patch wrangler. Tweets are just my opinion and such. Got questions about patches or bug bounties? My DMs are open. Signal: DustinChilds.17
LaurieWired @lauriewired.bsky.social researcher @google; serial complexity unpacker
ex @ msft & aerospace
No Starch Press @nostarchpress.bsky.social The finest in geek entertainment.
Email us: info@nostarch.com
We're live M-F, 7am-6pm PDT
https://nostarch.com/
Olaf Hartong @olafhartong.nl Security researcher with a camera | @FalconForce.nl | Microsoft MVP | Snow man role model | https://youtube.com/@olafhartong
🛡️CTI & Cybersecurity News @cti-news.bsky.social 👋
I share security updates on Bluesky !
Stay informed on geopolitics, ransomware, breaches, and more.
Project link :
https://github.com/0xw01f/CTI-Bsky-Bot
Renee Dudley @reneedudley.bsky.social Reporter at ProPublica. Co-author of "The Ransomware Hunting Team" (published 2022 by Farrar, Straus and Giroux)
Per Thorsheim @thorsheim.bsky.social Founder of #PasswordsCon. Above average interested in passwords & digital authentication. Online since 2400baud. I made the world use RFC 3207 STARTTLS for email encryption.
Ron Bowes @iagox86.bsky.social Staff Product Detection Engineer @ Censys. https://skullsecurity.org
Mostly post about professional stuff, maybe some improv stuff and maybe even magic some day. Seattle-based (originally Canadian), queer, cybersecurity nerd.
(He/him)
boredchilada @cyfar.ca I sheer alpacas and try to defend the internet from malware, minimal memes, mostly biznez
Cyfar.ca
Mike Sec @sudoinit0.bsky.social Nat Sec | Info Sec | CTI Nerd
Xeno Kovah @xenokovah.bsky.social Interested in reverse engineering, firmware, bluetooth, trusted computing, and training. Founder of OpenSecurityTraining2 https://ost2.fyi
StrikeReady Labs @strikereadylabs.com https://strikeready.com/blog.html
Download live malware samples mentioned here: https://github.com/StrikeReady-Inc/samples
If you prefer marketing (our product is great!) subscribe to our main page @strikeready.com
Binding Hook @bindinghook.bsky.social Expert commentary on emerging tech and security. Send us your article ideas at pitch@bindinghook.com. Project from @VirtualRoutes.bsky.social
Matt Linton @amuse.bsky.social @0xMatt on Twitter
Rescue, DFIR, Cello and Birds
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
Binary Defense @binarydefense.com We bring the attacker’s mindset to every move, building defenses specifically designed to combat threats. Founded and led by practitioners who live and breathe security, we know what matters in the trenches - because we’re in them with you.
Eugenio Benincasa @euben.bsky.social Cyber Defense Researcher @ethz.ch. Former Italian govt, Pacific Forum and NYPD. LUISS & Columbia University Alum.
Natto Thoughts @nattothoughts.bsky.social Cyber threat intelligence research and analysis from geopolitical, economic, social, cultural and linguistic perspectives.
https://www.nattothoughts.com/
CyberCanon @cybercanon.org We vet #Cybersecurity books. Our reviews are written by real life experts, heroes, and hackers who led through the biggest exploits.
www.cybercanon.org
Also known as the Cybersecurity Canon Project
Founded: 2013
State of Statecraft Conference @what-is-sos.bsky.social Official account of the State of Statecraft conference.
Coming October 22, 2026 - Brussels, Belgium
http://stateofstatecraft.com
#what_is_sos
Doug Metz @dwmetz.bsky.social #DFIR @ Magnet Forensics
Blog ✍️ @ BakerStreetForensics.com
Projects 🦀 @ Github.com/dwmetz
Opinions are my own and are subject to change.
GreyNoise @greynoise.io GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
Lenny Zeltser @lennyzeltser.com Builder of security products and programs. Teacher of those who run them.
https://zeltser.com
Ian Campbell @neurovagrant.bsky.social Security ops engineer and investigator @ DomainTools, writer, voracious reader. he/him. Opinions here mine only. Autistic/depressed/anxious/hungry. https://dti.domaintools.com
DDI Training @digitaldefenseinstitute.com Advanced Cybersecurity Training provider focusing on security operations, threat hunting, digital forensics, and incident response. Learn more: https://digitaldefenseinstitute.com
Penthertz @penthertz.bsky.social Company specializing in RF and Hardware security #cybersecurity #deeptech.
Myrtus @malwareindepth.com Malware Researcher | Developer | @Cryptolaemus1
| @NVIDIA
Will happily talk about malware with anyone.
Max 'Libra' Kersten @maxkersten.nl Malware analyst and reverse engineer, author of the Binary Analysis Course. DMs are always open. Opinions are my own and not the views of my employer.
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
𝙽𝙴𝚃𝚁𝙴𝚂𝙴𝙲 @netresec.com Experts in Network Forensics and Network Security Monitoring. Creators of #NetworkMiner, #PolarProxy, #FlowCarp, #CapLoader and RawCap.
Website: https://www.netresec.com/
Mastodon: @netresec@infosec.exchange
Tony/Humpty (CJ) @c-b.io Lead SOC analyst | Malware enjoyer | Horrible dev
Evan McBroom @evanmcbroom.bsky.social @SpecterOps
Dominic White @singe.bsky.social Hacker at Orange Cyberdefense's SensePost Team
https://hello.singe.za.net/
PancakesCon Infosec Conference @pancakescon.com A pop-up, virtual hacker / #infosec con. PancakesCon 6 is September 21, 2025. details on past and future events are on our website, https://www.pancakescon.com
Microsoft Threat Intelligence @threatintel.microsoft.com We are Microsoft's global network of security experts. Follow for security research and threat intelligence. https://aka.ms/threatintelblog
ComfyCon AU @comfyconau.bsky.social ComfyCon AU 2025
Maarten van Dantzig @maartenvdantzig.bsky.social I do DFIR at Google and I like incident response, threat intelligence, security operations and blue team stuff. 
IEEE Spectrum @spectrum.ieee.org The latest technology news and analysis from the world's leading engineering magazine.
OpenSecurityTraining2 @opensectraining.bsky.social 501(c)(3) Nonprofit providing Open Source and Open Access computer security training material. #OST2 re-launched July 2021!
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/ 
This Week in Linux @thisweekinlinux.bsky.social This Week in Linux (TWIL) is a news show for the Linux and Open Source community. This account is a feed for new TWIL episodes, for everything follow @tuxdigital.bsky.social
Quarkslab @quarkslab.bsky.social Securing every bit of your data
https://quarkslab.com
tmp0ut @tmpout.sh ELF Research Group
Paged Out! @pagedout.bsky.social Paged Out! is a free magazine about programming, hacking, security hacking, retro computers, modern computers, electronics, demoscene, and other similar topics. Always accepting submissions of one-page articles.
Phrack Zine @phrack.org since 1985
https://phrack.org
The Hacker's Choice (1995) @hackerschoice.bsky.social Security Research Group.
@mikko @mikko.bsky.social Fighting malicious use of technology.
Nick vs Networking @nickvsnetworking.bsky.social Telco Nerd - Mobile Networks, VoIP, Packet Core, IMS, all the Gs.
Penchant for Crossbar, Step-by-Step / Strowger and obsolete exchange kit.
HaxRob @haxrob.net Telco / mobile and IoT security.
Surfing the information super highway one keystroke at a time.
https://haxrob.net
Haroon Meer @haroonmeer.canary.love Security Geek. We build Thinkst Canary - https://canary.tools
Jim Sykora @jimsycurity.adminsdholder.com I enjoy security, technology, learning, books, & the great outdoors.
Trying to be human & kind.
Opinions = mine. He/Him/Hän
https://github.com/JimSycurity
https://www.adminsdholder.com
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
Arda Büyükkaya @whichbufferarda.bsky.social Cyber Threat Intelligence Analyst at Rabobank. (All opinions expressed here are mine only). #cybersecurity
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
Joseph Cox @josephcox.bsky.social Hacking/crime/privacy journalist. Author of DARK WIRE, buy here: https://www.hachettebookgroup.com/titles/joseph-cox/dark-wire/9781541702691/#preorder Co-founder of 404 Media. Signal: joseph.404 Email: joseph@404media.co
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
Intel 471 @intel471.bsky.social Intel 471 specializes in delivering intelligence related to threat actors, threat hunting, financial cybercrime, ransomware, vulnerabilities, malware and underground marketplaces. Listen to our podcast, Cybercrime Exposed, on Spotify and Apple. #infosec
Shodan Safari @shodansafari.lol Posting random entries from everyone's favorite internet security search engine.
Content may be 18+ and NSFW. You have been warned.
Complaints/Takedown requests: @meson.ninja
see also @vnclotto.misentropic.com for more open internet infrastructure
VNC Lottery @vnclotto.misentropic.com I'm a bot that posts random entries from the vncresolver instance at https://computernewb.com/vncresolver/
complaints? @meson.ninja
see also @shodansafari.lol for more open internet infrastructure content
Thomas Roccia :verified: @fr0gger.infosec.exchange.ap.brid.gy AI x Threat Intelligence
🌉 bridged from ⁂ https://infosec.exchange/@fr0gger, follow @ap.brid.gy to interact
LimaCharlie @limacharlie.io Security tools and infrastructure on-demand. Use LimaCharlie to automate and manage security operations at scale.
Debian @debian.bsky.social The Universal Operating System; items posted automatically from https://micronews.debian.org and https://bits.debian.org.
https://www.debian.org
Fedora Project @fedora.fosstodon.org.ap.brid.gy This is the official feed for the Fedora Project, a global free & open source software community sponsored by Red Hat.
We make Fedora Linux - an innovative free & open […]
🌉 bridged from ⁂ https://fosstodon.org/@fedora, follow @ap.brid.gy to interact
Framework @frame.work Remaking consumer electronics to respect people and the planet. 💻🪛
For support visit http://support.frame.work
Red Siege @redsiege.com Penetration Testing, Purple Team, Red Team & Adversary Emulation.
Let our Offense, Prepare your Defense. https://redsiege.com
#weareoffensive
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.
David DiMolfetta @ddimolfetta.bsky.social Nextgov/FCW cybersecurity + intelligence reporter. Tips: ddimolfetta@govexec.com Signal: @ djd.99 X/Twitter: @ddimolfetta
Huntress @huntress.com Managed endpoint protection, detection and response designed to help the 99% fight back against today’s cybercriminals.
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/
@christogrozev.bsky.social @christogrozev.bsky.social 
Will Dormann @wdormann.infosec.exchange.ap.brid.gy I play with vulnerabilities and exploits.
I used to be https://twitter.com/wdormann but Twitter has become unbearable, so here I am.
🌉 bridged from ⁂ https://infosec.exchange/@wdormann, follow @ap.brid.gy to interact
NCSC UK @ncsc.gov.uk We are the National Cyber Security Centre – part of the UK’s intelligence & cyber agency GCHQ. We help to make the UK the safest place to live and work online.
gab 🇺🇦🇵🇸 @gabagool.ing fka @gabbyroncone on twitter. mission tech lead for RU & Eastern European APT ops @Google. views expressed here are mine, not my employer’s. she/her.
Signal @signal.org Signal is a nonprofit end-to-end encrypted communications app. Privacy isn’t an optional mode, it’s the way Signal works. Every message, every call, every time. https://signal.org/donate/
ESET Research @esetresearch.bsky.social Security research and breaking news straight from ESET Research Labs.
welivesecurity.com/research/
Invoke RE @invokereversing.bsky.social Malware analysis can be hard, but learning it shouldn’t be.
https://training.invokere.com
H I Sutton @covertshores.bsky.social Independent Defense Analysis, Unconventional Naval Warfare, author, submarines, #OSINT, illustrations. Mostly typos
http://www.hisutton.com/
alden @re.wtf malware enjoyer • macOS security
https://alden.io
Brett Shavers @brettshavers.bsky.social Fell off a cliff. Swam with sharks. Dined with hitmen. Hung out with crime bosses. Bought and sold a ton of drugs. How the heck am I still here? DFIR USMC 🚓
Ali Hadi | B!n@ry @binaryz0ne.bsky.social DFIR and Adversary Simulation
CYBER 5W @cyber5w.bsky.social The ART of #DFIR Training - #C5W
Mark Russinovich @markrussinovich.bsky.social CTO of Microsoft Azure, author of novels Rogue Code, Zero Day and Trojan Horse, Windows Internals, Sysinternals tools. Opinions are my own.
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
James Sullivan @mrjamessullivan.bsky.social Director, Cyber, RUSI
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
Oleg Shakirov @shakirov2036.bsky.social I study Russian foreign policy, cyber security, arms control
Ars Technica @arstechnica.com Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
Brian Baskin @bbaskin.bsky.social Just someone that dabbles in threat research, malware analysis, RE, incident response, CTFs, and old school forensics.
Apologetic ginger.
Brian Carrier @carrier4n6.bsky.social 
Ryan Benson @hindsig.ht 
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.