Chainalysis @chainalysis.bsky.social Building trust in blockchains among people, businesses and governments. Our crypto compliance and investigation software powers hundreds of top institutions.
DomainTools @domaintools.bsky.social A global leader for internet #intel that enables security practitioners to proactively defend their organization in a constantly evolving threat landscape.
Socket @socket.dev Socket is the #1 software supply chain security platform. Next-gen SCA + SBOM + 0-day prevention. LOVED BY DEVELOPERS.
https://socket.dev
Jonathan Reiter @techsham.bsky.social I guess I'm here too. Some sort of data pervert who is into China, industrial systems, information security, collective action, community building, and pragmatism.
See @bees@infosec.exchange for more expansive content. Maybe.
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
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
Jess Davis @jessmarindavis.bsky.social PhD. Social scientist and entrepreneur combining research and practice. Illicit finance expert, newsletter writer, consultant. Working to stop bad people from doing bad things with money. Co-host of Secure Line podcast.
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
Elly Rostoum @ellyrostoum.bsky.social Linguist | Writer | Professor ๐ All things #China #AI #NatSec #SupplyChains | Taking down bullies since 2000,"now & in the future." #ุฑุฏูู_ุงูุฒู
ุฑ_ูู
ูู๐ฅ |โฝ๏ธ๐๐พ
๐ฉ๐ปโ๐ซ: www.EllyRostoum.com | www.BullDragon.org
โ: http://buymeacoffee.com/ellyrostoum
Alex Delamotte @alex.leetnoob.com Iโm just a girl who lives in Vegas & likes cloud malware, idk anymore.
Aleksandar Milenkoski @milenkowski.bsky.social Threat Research | Threat Intelligence | PhD | European Commission Marie Curie Research Fellow 2011-2014 | https://milenkoski.com | Personal Profile
ARCA @arca-artcrime.bsky.social ARCA - Association for Research into Crimes against Art.
A civil society research and training organisation which works to promote the study and analysis of art and antiquities crime.
Obsidian @obsidian.md The free and flexible app for your private thoughts. For help and deeper discussions, join our community: http://obsidian.md/community
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
thesilence @thesilence.bsky.social Principal analyst @vtxproject / #Synapse
#APT1 report / former Mandiant
Doing #threatintel before it was a thing
Cris Brafman Kittner @criskittner.bsky.social military strategy, geopolitical analysis, CTI, avid photographer
Cyber Threat Alliance @cyberalliance.bsky.social CTA is a group of cybersecurity practitioners who work together to improve the overall security of the global digital ecosystem. We are stronger together. www.cyberthreatalliance.org
Jamie MacColl @jamiemaccoll.bsky.social Senior Research Fellow @rusi.bsky.social | Senior Research Associate @virtualroutes.bsky.social | Usually researching ransomware and cybercrime | Sometime indie landfill guitarist
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 โ endorse.
ESET Research @esetresearch.bsky.social Security research and breaking news straight from ESET Research Labs.
welivesecurity.com/research/
radareorg @radareorg.bsky.social The official radare2 account in the Blueskyverse
ThreatInsight @threatinsight.proofpoint.com Proofpoint's insights on targeted attacks and the cybersecurity threat landscape.
Ryan McGeehan @mag00.bsky.social Security person. Formerly @ Federal Reserve, FB, Coinbase.
See Starting Up Security @ http://scrty.io
Volexity @volexity.com Volexity is a cybersecurity firm founded by the pioneers of memory forensics. Volexity delivers transformative solutions & services to governments & organizations worldwide, increasing enterprise visibility & facilitating rapid intrusion detection.
GreyNoise @greynoise.io GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
Black Hills Information Security @bhinfosecurity.bsky.social Specializing in pen testing, red teaming, and Active SOC. We share our knowledge through blogs, webcasts, open-source tools, and Backdoors & Breaches game.
blackhillsinfosec.com & poweredbybhis.com
LimaCharlie @limacharlie.io Security tools and infrastructure on-demand. Use LimaCharlie to automate and manage security operations at scale.
Katie Nickels @likethecoins.bsky.social 
The DFIR Report @thedfirreport.bsky.social Real Intrusions by Real Attackers, the Truth Behind the Intrusion.
https://thedfirreport.com
vx-underground (automated mirror) @vxundergroundre.bsky.social The largest collection of malware source code, samples, and papers on the internet.
Password: infected
(unofficial, this is a bot! Maintained by a private individual, the bot can't handle retweets or replies, support soonish)
ShmooCon @shmoocon.bsky.social Jan 10-12, 2025
Washington, D.C.
Less ๐ซ Than Ever
This account is mostly used to push information. Got questions? Email us at info @ shmoocon.org.
Raffaele Sabato @syrion89.bsky.social macOS Detection Engineer at SentinelOne.
Offensive Security, Malware, Reverse Engineering and Apple Security.
Opinions are my own.
https://syrion.me
SentinelLABS @sentinellabs.bsky.social We are the Threat Intelligence and Malware Analysis team of
@sentinelone.com
https://sentinellabs.com
https://labscon.io
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
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
DEF CON @defcon.bsky.social The worldโs premier hacker conference. Serving the global hacker community since 1993.
Defcon.org
Forum.defcon.org
Defcon.social
SpecterOps @specterops.io Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management
crowdstrike.com @crowdstrike.com official CrowdStrike account (check domain๐)
The first cloud-native platform that protects endpoints and cloud workloads, identity & data. #WeStopBreaches. Free trial: http://crwdstr.ke/tryfalcon
Derek Eiri @mreerie.bsky.social Chicken herder. Corgi keeper. DFIR.
mreerie.com
Daniel Stinson @shellcromancer.io Building something new! Used to be a security engineer @ Brex & Cloudflare. Hobbyist reverse engineer of ๐ and ๐ง thingsโฆ dogs are better than humans.
Bradley Kemp @bradleyjkemp.dev Experienced ignorer of Safe Browsing warnings
Security @ Granola
John @bigbadw0lf.bsky.social Frontline Intelligence with #AdvancedPractices ๐ฆ
@Google Threat Intel | views are my own
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.
AaronCTI @aaroncti.bsky.social Co-Founder Webamon, Founder @perspectiveintel.bsky.social. Author of Cyber Threat Intelligence: The No-Nonsense Guide for CISOs & Security Managers. Training at Kase Scenarios! Exec/Webinars @osint-community.bsky.social and creator of osintportal.com
Matthew Kennedy @matthewkennedy.bsky.social Manager at Microsoft Threat Intelligence Center (MSTIC). Adjunct Faculty at Georgetown University. Penn State Alum. Tweets are my own.
David Oxley @oxley.io Senior leader for detection and response at Anduril Industries. @CitizenLab.ca Research Fellow. Former federal agent. Fan of space, books, cyberpunk, sci-fi, espionage history, and storms. Personal account. ๐บ๐ธ ๐บ๐ฆ ๐น๐ผ #ThreatIntel
Storm chasing ๐ธ ๐ช๏ธ: @wxdox.com
Micah Hoffman @webbreacher.com Maker of WhatsMyName OSINT tool | Co-owner @ myosint.training | Finder of things and knower of secrets (IYKYK) | Always #OSINTCurious
Phil Stokes โซ๐ โซ @philofishal.bsky.social macOS security researcher espousing no one's opinions but my own. Dogged follower of #lufc, at least until the world stops going round (IYKYK).
philastokes.com
SteveD3 (Steve Ragan) @steved3.io Father. Grandpa. Geek. Hacker. Former journalist. Security researcher. CMO @BSidesLV.org Member: Curated Intel 
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
MITRE ATT&CK @attack.mitre.org MITRE ATT&CKยฎ - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting โ endorsement.
PIVOTcon @pivotcon.bsky.social Threat Research Conference in Malaga, Spain, 6-8 May 2026
#StayTuned #ComingSoon #PIVOTcon #PIVOTcon26
https://pivotcon.org
Selena Larson @selenalarson.bsky.social loves dogs, sports, memes. she/her. podcaster. "bluesky's humblest resident nailfluencer ๐
" - Jerry
my heart is in the west ๐ต๐ views mine.
SLEUTHCON @sleuthcon.bsky.social Tickets for 2026 are now available!
https://www.sleuthcon.com
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.
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
Pasquale Stirparo ๐บ๐ฆ ๐ช๐บ @pstirparo.bsky.social Founder @ RationalEdge
#ThreatIntel #ICS #DFIR; ''Learning iOS Forensics'' author;
#BSidesZH #PIVOTcon org.
@pivotcon.bsky.social
https://pstirparo.ch
https://rationaledge.io
Related interests/obsessions:
#ThreatHunting #CTI #YARA #CriticalThinking #Books
Will T @bushidotoken.net ๐ฌ๐ง | Senior Threat Intelligence Advisor at Team Cymru | Co-author SANS FOR589 | Co-founder Curated Intel
visi stark @invisig0th.bsky.social Founder of The Vertex Project (@vtxproject)
Father of the #APT1 Report @Mandiant.
Inventor of #synapse, #vivisect, UNCs, imphash, ...
DEFCON CTF Champion, Founder of Kenshoto
The Vertex Project @vertexproject.bsky.social We create technology for analytical teams to provide intelligence-driven insights to decision makers.
For more info, visit https://vertex.link!
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. ๐ณ๏ธโ๐
Allan โRansomware Sommelierโ 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
Matthew Conway @mattreduce.com ๐ Threat Intelligence @ Remitly
โ๏ธ CTI newsletter and blog @sourcesmethods.com