Follow the Money EU @ftm.eu European independent investigative newsroom.
Become a member: www.ftm.eu
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
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
Virus Bulletin @virusbtn.bsky.social Security information portal, testing and certification body.
Organisers of the annual Virus Bulletin conference.
Chi En (Ashley) Shen @ashl3y-shen.bsky.social Security researcher @ Cisco Talos. / Ex-Google TAG / Black Hat & HITCON review board / Organiser of Rhacklette. 
Lukasz Olejnik @lukaszolejnik.bsky.social Security & Privacy. Data Protection. Research & Development. Engineering. Analyst. Policy. W3C. Consultant. Author. King’s College London/War Studies. me@lukaszolejnik.com
lukaszolejnik.com/books
blog.lukaszolejnik.com
techletters.substack.com
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/
@aptwhatnow.bsky.social @aptwhatnow.bsky.social 
Austin Larsen @handle.invalid Principal Threat Analyst - Google Threat Intelligence Group
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
Matthew Kennedy @matthewkennedy.bsky.social Manager at Microsoft Threat Intelligence Center (MSTIC). Adjunct Faculty at Georgetown University. Penn State Alum. Tweets are my own.
Etienne - Tek @tek.randhome.io Technologist @ Human Rights Watch (previously Amnesty, Citizen Lab)
Malware, Threats, Online Investigations, Disinformation, Human Rights and silly memes.
On Mastodon: tek@todon.eu
Also on https://maynier.eu/
Mayra Rosario Fuentes @mayrafuentes.bsky.social Threat Researcher @TrendMicro,OSINT Researcher - J j04n @j004n.bsky.social Malware researcher @ESET
@matthieufaou.bsky.social @matthieufaou.bsky.social Malware Researcher @ @esetresearch.bsky.social
golby @golby.bsky.social macOS Threat and Detections Researcher @ Jamf
Roman Dobrokhotov @dobrokhotov.bsky.social Verified parody account
Theins.press editor-in-chief
The Insider @theins.press The Insider is a Russia-focused, independent media outlet. We're fully committed to investigative journalism and to debunking fake news.
theins.press/en
Daniel Lunghi @thehellu.bsky.social Threat researcher at Trend Micro mostly focused on APT
Natalia Krapiva 🕊️👩🏻💻 @natynettle.bsky.social Lawyer working on human rights, technology, spyware, litigation, Russia and Eastern Europe.
Currently Senior Tech-Legal Counsel at Access Now. Formerly OSINT investigator and prosecutor.
Greg Lesnewich @greg-l.bsky.social oh great, now I’m on bluesky 
Michael Weiss @michaeldweiss.bsky.social Editor @insidereng, host @foreignoffpod, https://substack.com/@macspaunday, ISIS: Inside the Army of Terror: http://goo.gl/Jb6uEA. Next book on the GRU for @vikingbooks. macspaunday@protonmail.com
Winnona @winnona.bsky.social @DistrictCon Founder. Hacker and attorney. @CyberStatecraft / @BelferCenter fellow, ex-Google threat research. Dog mom. Opinions=my own 👩🏻💻
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/
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
Thomas Rid @ridt.bsky.social @ridt on X
Steven Adair @stevenadair.bsky.social President @ Volexity
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
Paul Rascagneres @r00tbsd.bsky.social Lord of Loaders at Volexity
Allison Nixon @nixonnixoff.bsky.social Chief Research Officer @ Unit 221B
most reliable way to reach me is my company's outreach form on the website
my other urls:
https://infosec.exchange/@nixonnixoff
https://www.linkedin.com/in/allison-nixon-81822124/
don't bother contacting me on twitter
Bob McArdle @bobmcardle.bsky.social Cybersecurity research and criminal investigation lead at Trend Micro. But expect this feed to be at least half Star Wars posts related to Kalo’ne, Ratts Tyerell or Rungs
Nicolas Caproni @caproni.fr Head of Sekoia Threat Detection & Research (TDR) team • Cyber Threat Intelligence • Detection Engineering • SOC Platform 🇫🇷 🇪🇺 • Hip-Hop • Basketball 
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
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
TrendAI Zero Day Initiative @thezdi.bsky.social TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
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
Alexander Leslie @aejleslie.bsky.social Cybercrime & Hacktivism @ Recorded Future | Insikt Group | Curated Intelligence | @aejleslie everywhere else.
GreyNoise @greynoise.io GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
ESET Research @esetresearch.bsky.social Security research and breaking news straight from ESET Research Labs.
welivesecurity.com/research/
SentinelLABS @sentinellabs.bsky.social We are the Threat Intelligence and Malware Analysis team of
@sentinelone.com
https://sentinellabs.com
https://labscon.io
Joseph @eflags.bsky.social Forensic Analyst, Reverse Engineer. Opinions mine
Xavier Mertens 🇧🇪 @eeksme.bsky.social A fork of https://twitter.com/xme
L² @lgde.bsky.social DFIR. Ex-Lead intelligence. Ex @ANSSI_FR. PhD in intl law. Mostly working on Chinese #APT but also on russian and cybercrime actors #ThreatIntel #Malware #DFIR https://linktr.ee/l_lgde
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
paper trail media @papertrailmedia.de investigative newsroom :: partner of @spiegel.de : @zdfde.bsky.social : @derstandard.at : @tagesanzeiger.bsky.social :: www.papertrailmedia.de
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
Audra Streetman @audrastreetman.bsky.social Threat Intel @ Target
Nicole Fishbein @nicolefishbein.bsky.social Senior security researcher and reverse engineer @Intezer
Sekoia @sekoia.com Sekoia is the European cybersecurity company building the Cyber Operations Platform for the AI era.
François Deruty @derutyf.bsky.social threat intelligence at https://www.sekoia.io / former head of cert-fr
https://blog.sekoia.io
nartv @nartv.bsky.social 
PIVOTcon @pivotcon.bsky.social Threat Research Conference in Malaga, Spain, 6-8 May 2026
#StayTuned #ComingSoon #PIVOTcon #PIVOTcon26
https://pivotcon.org
CYBERWARCON @cyberwarcon.bsky.social CYBERWARCON is a one-day conference in Arlington, VA focused on the specter of destruction, disruption, and malicious influence on our society through cyber capabilities.
cyberwarcon.com
Bill Marczak @billmarczak.org senior researcher at @citizenlab.ca
National Security Archive @nsarchive.bsky.social An independent research institution that advocates for open government and uses FOIA to collect and publish declassified documents - https://nsarchive.gwu.edu - instagram.com/natsecarchive - tiktok.com/@natsecarchive
StrikeReady @strikeready.com StrikeReady provides the industry’s first vendor-neutral security command center, powered by the grey hair of 100 analysts
https://strikeready.com/
For tactical malware info, check out our labs account, @strikereadylabs.com 
Antti Tikkanen @anttit.bsky.social Security at Snap Inc
Wesley Shields @wxs.bsky.social Working at Google TAG. Retired FreeBSD committer. May or may not be a robot.
tlansec @tlansec.bsky.social Threat Intel @volexity.com n stuff.
London, UK.
Silas Cutler @silascutler.bsky.social You may know me from your server logs.
#Malware, Hacks, Internet Scanning, #CTI
John Scott-Railton @jsrailton.bsky.social Chasing digital badness. Senior Researcher at Citizen Lab, but words here are mine.
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
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
alden @re.wtf malware enjoyer • macOS security
https://alden.io
Bartek Jerzman @handle.invalid Hunting ghosts in wires and boxes, Head of CTI, former NCSC-PL, PL Navy #fightingthreats | @PIVOTcon.bsky.social co-founder & Chief Meme Officer
Tom Hegel @hegel.bsky.social Distinguished Threat Researcher, SentinelLABS Research Lead @SentinelOne. Nation-state operations, research systems & applied AI for threat intelligence. Find me at https://TomHegel.com
MalwareHunterTeam @malwrhunterteam.bsky.social https://x.com/malwrhunterteam | https://id-ransomware.malwarehunterteam.com/
thesilence @thesilence.bsky.social Principal analyst @vtxproject / #Synapse
#APT1 report / former Mandiant
Doing #threatintel before it was a thing
Fernando Mercês @mer0x36.bsky.social Viva Zapata! Viva Sandino! Viva Zumbi! Antônio Conselheiro! Todos os panteras negras!
EU DisinfoLab @disinfo.eu Independent EU-focused NGO whose mission is to raise awareness on #disinformation & contribute to a better information landscape.
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
Eliot Higgins @eliothiggins.bsky.social Founder and creative director of Bellingcat and director of Bellingcat Productions BV. Author of We Are Bellingcat.
Aryeh Goretsky @goretsky.bsky.social Security researcher & antivirus pioneer | alum of ESET, McAfee | Microsoft MVP awardee | Mod @Lenovo, @Neowin.Net, Scots Newsletter forums | Intel Insider Council member | Repost ≠ endorse.
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
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.
Electrospaces.net @electrospaces.bsky.social Insights in Signals Intelligence, Communications Security and Top Level Telecommunications. Also tweeting in Dutch and sometimes in German.
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/ 
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.
David Oxley @oxley.io Interim head of information security at Anduril Industries. @CitizenLab.ca Research Fellow. Former federal agent. Fan of space, books, cyberpunk, sci-fi, espionage history, and storms. Personal account. 🇺🇸 🇺🇦 🇹🇼 #ThreatIntel
Storm chasing 📸 🌪️: @wxdox.com
Dan Black @danwblack.bsky.social Previously Google, NATO, 🇨🇦 Government. Views mine and mine only.
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
Raphael Satter @raphae.li Say hi: https://raphae.li or on Signal: raphaelsatter.01
Cedric Pernet @cedricpernet.bsky.social Senior Threat Researcher @ Proofpoint.
Cybercrime / Cyberespionage aficionado.
Has worked in several CSIRTs/CERTs.
Metal & Rock dude, never enough guitars.
Motorcycles fan.
Wrote a book in French language on cyberespionage.
Ex-Law Enforcement Officer
Stephen Hilt @sjhilt.hilt.zip Threat Researcher @ TrendAI (Trend Micro), waffle maker, and dad. My statements and opinions are my own and do not reflect my company.
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app