Jorge Orchilles @jorgeorchilles.bsky.social SANS Principal Instructor & Author #SEC565 | #RedTeam | #PurpleTeam | #PenTest | #C2Matrix Creator | ATT&CK & Atomic Red Team Contributor | Published Author
James Forshaw @tiraniddo.dev Security researcher in Google Project Zero. Author of Attacking Network Protocols. Posts are my own etc. 
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/
Steve Cooper @blueteamsteve.bsky.social Building a detection engineering platform for ai-native cyber teams
Blue Team Village @blueteamvillage.bsky.social DEF CON Village, bringing free Blue Team training and content to the community.
blueteamvillage.org
r/blueteamsec bot @r-blueteamsec.bsky.social Mirrors r/blueteamsec, "intelligence, research and engineering to help operational [blue|purple] teams defend their estates." Unofficial. Operated by @tweedge.net, open source @ https://github.com/tweedge/xpost-reddit-to-fediverse
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
Next Conference:
Training: 10-11 September 2026
General Conference: 12-13 September 2026
The Zeek Network Security Monitor @zeek.org Zeek is an open source network security monitor.
zeek.org | github.com/zeek | community.zeek.org
Mehmet Ergene @cyb3rmonk.bsky.social https://academy.bluraven.io
Threat Hunting & Research, Detection Engineering | Microsoft Security MVP
#KQL #DFIR #DataScience
All is one.
Opinions are my own
http://posts.bluraven.io
https://github.com/Cyb3r-Monk/Threat-Hunting-and-Detection
FalconForce @falconforce.nl Building a resilient digital society through highly specialised digital security consulting.
@redteamtactics.bsky.social @redteamtactics.bsky.social Outsmart, Outmaneuver, Redefine the Tactics blog ๐ https://posts.redteamtacticsacademy.com/
learn ๐ https://masterclass.redteamtacticsacademy.com
LimaCharlie @limacharlie.io Security tools and infrastructure on-demand. Use LimaCharlie to automate and manage security operations at scale.
Brody @brody-n77.bsky.social Cybersecurity, Battletech, and Sci-Fi.
Taz Wake @tazwake.bsky.social DFIR & Threat Hunting Professional | SANS Course Author - FOR577 Linux IR Class | Certified SANS instructor | Incident Responder | I have no access to DMs.
Conrad @ericconrad.com SANS Fellow, CTO of Backshore Communications, GIAC GSE #13, SABR member, golden age arcade restorer. Peaks Island, Maine
Nicolas Caproni @caproni.fr Head of Sekoia Threat Detection & Research (TDR) team โข Cyber Threat Intelligence โข Detection Engineering โข SOC Platform ๐ซ๐ท ๐ช๐บ โข Hip-Hop โข Basketball 
Greg Foss @gregfoss.com Security Research Leader @ Datadog
Views are strictly my own
Myrtus @malwareindepth.com Malware Researcher | Developer | @Cryptolaemus1
| @NVIDIA
Will happily talk about malware with anyone.
Drum Cult @drumcult.bsky.social Everyone starts from point one
Shahanshah of DFIR
Andrew Northern @exraritas.bsky.social ๐ฎ Senior Threat Researcher at @proofpoint ๐ฎ | Kindness and Compassion | Not a reflection of the opinions or policies of my employer | Andrew Northern
ExecuteMalware @executemalware.bsky.social Malware analyst
Bex @4n6bexaminer.bsky.social Livin' the DFIR Lyfe | Incident Response Manager @ Canva | CuratedIntel Member | Stubborn Western Australian working in infosec | Thoughts are my own
Ali @endingwithali.com software engineer @ fintech- content creator @ http://links.ali.dev - threatwire host @hak5 - @breakingthepod - nyc - ex @miteecs - jewish
Marcus J. Carey ๐ดโโ ๏ธ @marcusjcarey.com ๐ฅ Hope Dealer | ๐ Table Flipper | ๐จ Artist
๐ Tribe of Hackers, US Navy, NSA, DIA, Builder
๐ Hacker | ๐ฃ๏ธ InfoSec, Coding, GenAI
๐ก Simplifying tech, mentoring, building communities
๐ My new books >> Spot the Wolf & Hacker Inc.
๐ Legacy > clout
Christopher Peacock @securepeacock.bsky.social I find weird things on networks.
#PurpleTeam | Ex Raytheon MSSP, SCYTHE, & GD | Taught at BlackHat & DEFCON | #100DaysofSigma | Keep exploring, keep learning, and stay curious.
Zach @svch0st.bsky.social Everything DFIR - ๐ฆ๐บ
@TheDFIRReport | @CuratedIntel
https://infosec.exchange/@svch0st
https://twitter.com/svch0st
Haag @mhaggis.bsky.social Just a person hacking away.
๐ฝ๐ด๐๐๐ด๐๐ด๐ฒ @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
The DFIR Report @thedfirreport.bsky.social Real Intrusions by Real Attackers, the Truth Behind the Intrusion.
https://thedfirreport.com
Brad @malware-traffic-analysis.net Sharing information on malicious network traffic and malware samples at https://www.malware-traffic-analysis.net/
Andrew Case @attrc.bsky.social Volatility Core developer, Dir. of Research Volexity, LSU Cyber
Jรกn Trenฤanskรฝ @j91321.bsky.social EDR R&D team lead at ESET. Opinions are my own.
@j91321@infosec.exchange
Randy @irishdeath.bsky.social Dad above all other jobs
Detection Engineering and Threat Hunting
Email and Empathy
metlstorm @metlstorm.risky.biz Unix berserker, retired hacker-con organiser (Kiwicon!) and now technology-editor-slash-sysadmin-janitor at Risky.biz.
Was @metlstorm on Twitter, am metlstorm@infosec.exchange on Masto. 
Andy Gill @zephrfish.yxz.red Defcon goon, Adversarial Architect. Photography, Driving, Blog and general purveyor of chaos. Metal/DnB Fan creator and owner of https://lms.zsec.red
SpecterOps @specterops.io Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management
Cliff Fisher @brd.bsky.social Your friendly neighborhood Active Directory expert. Ex-Microsoft. Was @brdpoker on that other site. Also loves poker, board games, watching sports, and spending time with my wife and our fur kiddo. He/him
x0rz @x0rz.bsky.social Cybersecurity & Threat Intelligence. Knowledge is power, France is bacon ๐ฅ
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
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)
Danny Moore @moore.bsky.social Cyber-warfare | PhD from KCL | Author of 'Offensive Cyber Operations' | Security @ Meta 
MITRE ATT&CK @attack.mitre.org MITRE ATT&CKยฎ - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting โ endorsement.
gab ๐บ๐ฆ๐ต๐ธ @gabagool.ing fka @gabbyroncone on twitter. mission tech lead for RU & Eastern European APT ops @Google. views expressed here are mine, not my employerโs. she/her.
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
Mark Dowd @mdowd.bsky.social Internet hacker
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
UK_Daniel_Card @mrr3b00t.bsky.social 
netbiosX @netbiosx.bsky.social Purple Team
Hexacorn @hexacorn.bsky.social Red Brain, Blue Fingers
Malware Analysis, Reverse Engineering, Threat Hunting, Detection Engineering, DFIR, Security Research, Programming, Curiosities, Software Archaeology, Puzzles, Bad dad jokes
https://www.hexacorn.com/blog/
hexacorn@infosec.exchange
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.
Silas Cutler @silascutler.bsky.social You may know me from your server logs.
#Malware, Hacks, Internet Scanning, #CTI
hackerfantastic.crypto @hackerfantastic.bsky.social Co-Founder https://hacker.house cyber security assurance & hacker training ~ ISBN9781119561453 ~ a book on professional hacking. Contact for competitive quotes on cyber security projects. 
Phillip Wylie @phillipwylie.bsky.social Offensive Security Professional | Phillip Wylie Show Podcast Host | The Pentester Blueprint coauthor | TribeOfHackers Red Team | https://linktr.ee/phillipwylie
Tanya Janca | SheHacksPurple @shehackspurple.bsky.social Secure Code Trainer - Best-selling author of Alice and Bob Learn Secure Coding & Alice and Bob Learn Application Security. #AppSec she/her
https://shehackspurple.ca ๐ป
Troy Hunt @troyhunt.com Founder & CEO of @haveibeenpwned.com, the most trusted name in data breach intelligence. Speaker, blogger, Microsoft Regional Director. Gold Coast, Australia.
Kali Linux @kalilinux.bsky.social Kali Linux, The Most Advanced Penetration Testing Distribution. Ever.
Glenn @ntkramer.bsky.social Elder Millennial | ๐ผ Cybersecurity | I ask 'why?' a lot | Pro Oxford Comma | Fix it! | He/Him | #BLM | Views are my own.
Adam Pennington @whatshisface.bsky.social I lead MITRE ATT&CK. Something something SCUBA diving, cyber. If itโs not about ATT&CK, I speak only for me. He/him.
Jessica Crosby @jessicacrosby.bsky.social Staff Security Engineer at GoFundMe
@Jhyp3 on Twitter
b1ack0wl @b1ack0wl.com 0day Researcher @ โโโโโโโโโโโโ / Baker / 0wl
// I post random things on here
syndrowm @syndrowm.com Hacker, CTF, CCDC, BJJ Brown Belt, python, rust, malware
https://www.offensivecontext.com
https://puck.tools
https://www.malicious.fit
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.
Thomas Rid @ridt.bsky.social @ridt on X
Rob Fuller @mubix.com (he/him) Dad / Husband / Marine / Student / Teacher / @Hak5 / @NoVAHackers / @SiliconHBO / @NationalCCDC / @MARFORCYBER Auxiliary
Will T @bushidotoken.net ๐ฌ๐ง | Senior Threat Intelligence Advisor at Team Cymru | Co-author SANS FOR589 | Co-founder Curated Intel
Kelsey Hightower @kelseyhightower.com Minimalist
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
Scott Hanselman ๐ฎ @scott.hanselman.com I want you to win and be happy. Code, OSS, STEM, Beyoncรฉ, T1D, open source artificial pancreases, Portland, 3D printing http://hanselminutes.com inclusive tech podcast! VP/Member of Technical Staff, Microsoft/GitHub ๐ฎ
http://hanselman.com/about
Deviant Ollam ใ @deviantollam.bsky.social Philadelphian in Cascadia. Vociferous champion for Oxford commas, two spaces after a period, and ellipses. I break into buildings. ๐
"Even if the world were ending tomorrow, I would still plant a tree." ๐ฒ
(he/they)
Accidental CISO @accidentalciso.net I accidentally became the CISO. I didn't want this job, but the job chose me. I'm scared, and I want to go home.
https://www.accidentalciso.net
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
Will Dormann is on Mastodon @wdormann.bsky.social I play with vulnerabilities and exploits.
While this site initially showed promise, I've grown tired with its lack of improvement.
You'll find me @wdormann@infosec.exchange on Mastodon.
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
Jack Rhysider @jackrhysider.bsky.social Creator of Darknet Diaries.
Verification: https://twitter.com/JackRhysider/status/1675298532406984707
C:\hristina @divinetechygirl.com Information Security Leader & Published Author โข Leading InfoSec & Cyber @ ๐ โข Love a fitted but I donโt ๐งข
Ray [REDACTED] @rayredacted.com Past: Host of "Tribe of Hackers"; Assoc. Producer "Darknet Diaries."
Current: Cybersecurity researcher and executive. Also, father of the fastest climber who has ever lived. Seriously.
Warning: I talk about my son ALOT
โUt scandis, alios subleva.โ
WeRateDogs @weratedogs.com Your Only Source For Professional Dog Ratings
nonprofit: @15outof10.org โค๏ธโ๐ฉน
links.weratedogs.com
Whitney Champion ๐ช @whit.zip security architect / co-founder @digitaldefenseinstitute.com / co-founder Recon InfoSec
โฅโฅโฅ == @eric.zip, nerdery, rainbows, sweatpants
she/her | mama of 3 | ๐ค๐๐ฟ๐๐
unicorns.lol
https://short-stack.net
whitneychampion.com/portfolio
Alethe @alethe.bsky.social โUh-Lee-thโ | Bishop Fox ๐ฆ Red Team | DEF CON Goon & Black Badge Hall of Fame | DEF CON Social Engineering CTF Winner 2019 | Physical Pentester | IVR Pentester | IR Tabletop King ๐
Safa ๐ฟ๐ฆ in NorCal ๐บ๐ธ - Fish ๐ Nerd - Jeep Girl
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.
Chris Krebs @thekrebscycle.bsky.social Aka @c_c_krebs over there 
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
Tarah Wheeler @tarah.org CSO of TPO.group โฆ๏ธ EFF Board of Directorsโฆ๏ธshe/her โฆ๏ธ bestselling author but only that one time
Justin Elze @handle.invalid CTO @TrustedSec.com | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
the grugq @thegrugq.bsky.social 
Dan Goodin @dangoodin.bsky.social Cybersecurity Reporter, Ars Technica: https://arstechnica.com/author/dan-goodin/ Hungry for tips. Text me on Signal: DanArs.82. "The world isnโt run by weapons anymore, or energy, or money. Itโs run by little 1s and 0s, little bits of data."
Hexadecim8 @hexadecim8.com Author | spooky trans athlete | Linux behavioral threat researcher | never hacked nobody
https://hexadecim8.com
Bryson Bort ๐ฆ๐ด @brysonbort.bsky.social ๐ฆ
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
Merill Fernando ๐ @merill.net Product Manager @microsoft | Creator of bluesky.ms โข cmd.ms โข idPowerToys.merill.net โข Graph X-Ray โข ๐ฆ๐บ โข ๐ฑ๐ฐ โข Posts my own
http://youtube.com/@merillx
Sign up to my newsletter https://entra.news
Catalin Cimpanu @campuscodi.risky.biz โ Cybersecurity reporter
โ
Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Tom Uren @tom.risky.biz Author of the Seriously Risky Business cyber security newsletter
Anton Chuvakin @anton1chuvakin.bsky.social www.chuvakin.org
Fabian Bader @fabian.bader.cloud #Security #Azure #EntraID #XDR #MDE #Identity #M365 #AD #PKI #KQL
Microsoft MVP
Tweets and opinions are my own
HackTheBox @hackthebox.bsky.social 
(((Tendar))) @tendar.bsky.social Tyrants are my enemies | Si vis pacem para bellum |๐ฉ๐ช๐ช๐บ| Das Bรถse triumphiert allein dadurch, dass gute Menschen nichts unternehmen |Military & History
SAINT JAVELIN @saintjavelin.bsky.social We started with one sticker and have now contributed over $2M to Ukraine's war effort since February 2022. DISCOVER OUR NEW COLLECTION ๐
https://linktr.ee/saintjavelinshop
Jef Kazimer ๐ถโ๐ซ๏ธ ๐ @jeftek.com Principal Product Manager @Microsoft #security focused on #Entra #Identity and Identity Governance
- ๐ & #Cybersecurity
- Star Wars ๐ nerd
- Disney Adult ๐ฐ
My posts are not official support of my employer
My info and content is at https://jeftek.com
Nasreddine Bencherchali @nasbench.bsky.social Detection @Splunk | previously @nextronsystems | @sigma_hq & @magicswordio maintainer | Eternal Learner