Sarah Edwards @iamevltwin.bsky.social 👩🏻💻 Apple Forensics Nerd📱 - Head of DFIR @iverify.bsky.social | Author/Senior Instructor @sansforensics
Mari DeGrazia @maridegrazia.bsky.social Digital Forensics and Incident Response
SANS Instructor
CyberSecurity
VR E-Sports
Maker
Eric Johnson @ejohn20.bsky.social Cloud, code, security automation, boating, biking, beer, and bourbon.
https://pumasecurity.io
John Hubbard @sechubb.bsky.social Blueprint Podcast Host | SANS Sr. Instructor & Course Author for SEC450/LDR551 | Helping You Improve Your Security Ops Team
@my-ngoc.bsky.social @my-ngoc.bsky.social 
Sharun @sharunkumar.com 👨💻Software Engineer | 🎮Gamer | 💻Tech & 🚗Car Enthusiast | 🐱Cat Person
sharunkumar.com
FullMoonMystic @benpav.bsky.social Infosec, Forensics, Paranormal Research, Photographer, Ghost Hunter
Alex Ackerman @darkhonour.bsky.social Veteran, Expat, Techno Geek
Ned Pyle @nedpyle.com Dog butler to Indy, Darby, & Kell. Former USMC 0341. Chicago Tavern style. You may know me from years of MSFT. Or not. Was @nerdpyle before the bad times. Eat shït, nazis
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
Nicole Beckwith @nicolebeckwith.bsky.social Sr. Manager, Threat Operations @kroger 🍓 CTI, Hunting, Detection Engineering, Insider Risk, Fraud & Forensics 💻 Fmr LE & DFIR for OH & Secret Service TF. #FSD #w00w00 #CFC
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.
evacide @evacide.bsky.social Director of Cybersecurity @eff.org
Co-founder of @stopstalkerware.bsky.social
These opinions are my own, not my employers’
I did a TED talk once
DFRLab @dfrlab.bsky.social The Atlantic Council's Digital Forensic Research Lab. Cultivating a global network of digital forensic analysts (#DigitalSherlocks) to combat disinformation.
v̴͍̼̟͆͂͌̋͗͆̓͝3̵̢͇̘̅͒͐́͗̀̚͠x̷̜͎̯̽͋͑̌̎̓͐̾x̷̲̗̓͛̈́̀͌̕͝ @datacats.vip Cybersecurity Person | Ethical Hacker | Helper
It's not the end of the world, but I can see it from here.
https://datacats.vip
Angry Staff Officer @pptsapper.bsky.social History person, Army officer, transplanted Buckeye, not really that angry anymore. Writes stuff. Some Star Wars. Refugee from Twitter. Views do not reflect or represent the DoD's. He/him/his. angrystaffofficer.com
Lawfare @lawfaremedia.org Straight-shooting information and analysis at the intersection of national security, law, and policy.
Support Lawfare at https://www.lawfaremedia.org/support
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
“Ut scandis, alios subleva.”
HD Moore @hdm.infosec.exchange.ap.brid.gy runZero & Metasploit
🌉 bridged from ⁂ https://infosec.exchange/@hdm, follow @ap.brid.gy to interact
Katie Nickels @likethecoins.bsky.social 
Conrad @ericconrad.com SANS Fellow, CTO of Backshore Communications, GIAC GSE #13, SABR member, golden age arcade restorer. Peaks Island, Maine
James LV @jamesleytevidal.bsky.social SANS Principal Instructor. IT Security practitioner. GSE 209. Gamer and runner in my abundant spare time. Likely being sarcastic. Florida Man as a Service. He/Him
Medium.com/@james.leyte.vidal
Eric Capuano @eric.zip - Dad of two <3
- Co-founder Recon InfoSec
- SANS DFIR Instructor
- BlackHat Trainer
- IANS Faculty
- Trainer @digitaldefenseinstitute.com
- Blog: https://blog.ecapuano.com
- ⬡ ODESZA, Lane 8, Kasbo 🎧
- ❤ @whit.zip
Matt Bromiley @bromiley.io ⚙️ AI Security R&D @ Prophet Security
🎓 IR/TH/Incident Management Instructor
🎙️ Frequent Guest on Cybersecurity Defender's Podcast
🔍 Where to Find Me: https://github.com/bromiley
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.
Mike Murr @mikemurr.bsky.social Malware analysis, behavior consultant, software dev.
SANS Instructor: FOR610, FOR710, SEC573
Contact: https://socialexploits.com/contact
Bojan Zdrnja @bojanz.bsky.social IT Security guy, penetration testing is my thing. One of the SANS Internet Storm Center handlers at https://isc.sans.org.
SANS SEC542 instructor and course co-author, SEC565 instructor.
I lead the penetration testing team at INFIGO, https://www.infigo.is
Chris Elgee @chriselgee.bsky.social Full-time Christian, husband, dad of 4, nerd @Counter Hack; Certified SANS instructor; Cyber Soldier; GSE #259
Brandon Evans @brandonevans.bsky.social Multicloud Security Consultant | Former Zoom Lead | SANS Author (SEC510) + Certified Instructor | Cloud Ace Podcast S1 Host | IANS Faculty | GPCS, GCSA, GSEC, GPEN, GWAPT, GSTRT, GSSP-JAVA | AWS Security Certified
Monta Elkins @montaelkins.bsky.social Hardware Hacker
SANS Principal Instructor
Training Course Author "Hardware Hacking Essentials"
Greg Bailey @cybergreg.bsky.social SANS instructor, red team & old school pentester, neo-hippie…all around nice guy.
Chris Dale @chrisdale.bsky.social Principal instructor at SANS Institute. CHO (Chief Hacking Officer) and co-founder of River Security. Occasionally put content on YT: https://www.youtube.com/@chrisdale- J Jon Zeolla @jonzeolla.com Cloud Native Security & Compliance | Founder, CNCF Ambassador, SANS Instructor, IANS Faculty
More active on LinkedIn (/in/jonzeolla)
fulmetalpackets @fulmetalpackets.bsky.social SANS SEC568 Author and Instructor | Cybersecurity Leader | Hacker | All tweets and opinions are my own.
pwneip @pwneip.bsky.social Principal RTO @F500, SANS Instructor & #SEC565 Red Team Ops Author, Red Team Village lead, former Bishop Fox, US Air Force. Tweets are my own, memes are stolen
Carlos Fragoso @cfragoso.bsky.social Principal SME @ Maltego - SANS Instructor - Passionate about Investigations - #DFIR #OSINT
@GuardianCosmos - Christian N. @guardiancosmos.bsky.social Japan loving cybersecurity nerd Pentesting | Forensics | Incident Response | SANS Instructor | Purple Teaming | @guardiancosmos@infosec.exchange/@GuardianCosmos in the old place | Views AMO
Joe Sullivan @replicanthacker.bsky.social Security consultant
@TrustedSec, Techno-Horror fiction writer fearwarefiction.com
Terrence Williams @anerdfromduval.com I'm Just A Nerd From Duval
Computer Science and Cloud Security
SANS Instructor
Jeff McJunkin @jeffmcjunkin.bsky.social IT generalist with an infosec slant. Testing out the new hotness over here.
Ian Reynolds @ianreynolds.bsky.social :: Security Operating , Incident Responding, Forensicating, head-scratching, Plan C,D, and E providing, climbing, biking, wandering, {pick-a-colour}-teamer :: SANS Instructor ::
@lodrina.bsky.social @lodrina.bsky.social "liberal arts section of the computer underground" -j. menn
Jim Clausing @jclausing.bsky.social pilot, cyclist, Unix/Linux, DFIR
@ocarroll.bsky.social @ocarroll.bsky.social 
Dave Shackleford @daveshackleford.bsky.social SANS, IANS, Voodoo Security. So many other things, too. 
mosesrenegade @mosesrenegade.bsky.social Hackerman. You can find out about me here.
https://linktr.ee/mosesrenegade- C @cybergoof.bsky.social @cybergoof.bsky.social
Kenton Smith @kentonsmith.bsky.social Cyber Leadership Advisor/Educator. Photography, Music, Sports, Politics, Coffee
David Szili @davidszili.bsky.social AlzetteInfoSec Managing Partner | BSidesLux Ex-Organizer | SANS Principal Instructor | Posts are mine, all mine!
Russell Eubanks @russelleubanks.bsky.social 
Jorge Orchilles @jorgeorchilles.bsky.social SANS Principal Instructor & Author #SEC565 | #RedTeam | #PurpleTeam | #PenTest | #C2Matrix Creator | ATT&CK & Atomic Red Team Contributor | Published Author
Brian Olson @brianolsonsec.bsky.social Cybersecurity Professional | DFIR & Network Forensics | Real Estate Investor | Personal Finance Enthusiast | Based in DC
Doc Blackburn @docblackburn.bsky.social 
Linus Tech Tips @linusmediagroup.com The official Bluesky of the Linus Tech Tips YouTube channel.
Alyssa Miller 🦄👩✈️ @alyssam-infosec.com Hacker, CISO, and commercial pilot. Certified Bluesky Elder. Author and International Speaker, Chief advocate of #DoBetterBeBetter
Compassion and empathy are traits in short supply but necessary to make this world a better place.
alyssasec.com
Mark Cuban @mcuban.bsky.social Entrepreneur
Costplusdrugs.com
Marie @twiga75.bsky.social Proud mom in many ways 💪🏻🏳️⚧️🏳️🌈🐕💙
Delaware native, back in the 302
📚 and ☕️ and 🦒and pickles rule
love to create pretty decor vignettes
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 Hamill @markhamillofficial.bsky.social Believe in yourself! Work hard, never give up & anything's possible! OR: Kick back, relax & aim low: You'll never be disappointed...😜
Rob Fuller @mubix.com (he/him) Dad / Husband / Marine / Student / Teacher / @Hak5 / @NoVAHackers / @SiliconHBO / @NationalCCDC / @MARFORCYBER Auxiliary
Lenny Zeltser @lennyzeltser.com Builder of security products and programs. Teacher of those who run them.
https://zeltser.com
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. 🏳️🌈
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
Lee Whitfield @dfirlee.bsky.social DFIR, LEGO, Manchester United, Marvel, Technology, xLights
John Strand @strandjs.bsky.social I do cool Infosec stuff with cool people.
I will light the way by the bridges I burn.
Huntress @huntress.com Managed endpoint protection, detection and response designed to help the 99% fight back against today’s cybercriminals.
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!
Katie Knowles @siigil.bsky.social Security Researcher @ Datadog. 🐶 Head in the (Azure) clouds.
Sometimes blogging, always curious. Aim to be, rather than to seem.
Blogs at https://kknowl.es.
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
David J. Bianco @davidjbianco.bsky.social Threat Hunting, CTI, incident detection & response. SANS instructor. Special interest in helping newbies get started. Also happy to talk about other geeky topics. He/Him. 
Paul Asadoorian @paulasadoorian.bsky.social Founder of Security Weekly, Principal Security Evangelist at Eclypsium
Marcus J. Carey 🏴☠️ @marcusjcarey.com 🔥 Hope Dealer | 🙃 Table Flipper | 🎨 Artist
🌟 Tribe of Hackers, US Navy, NSA, DIA, Builder
💀 Hacker | 🗣️ InfoSec, Coding, GenAI
💡 Simplifying tech, mentoring, building communities
📚 My new books >> Spot the Wolf & Hacker Inc.
🔑 Legacy > clout
HD Moore @hdm.io runZero & Metasploit
Kevin Johnson @secureideas.bsky.social I am a nerd that started a company almost 15 years ago. Secure Ideas is a security consulting firm focused on helping clients have the best penetration testing experience. I am also an IANS faculty member and currently an OWASP global board member. 
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Deviant Ollam ツ @deviantollam.bsky.social Philadelphian in Cascadia. Vociferous champion for Oxford commas, two spaces after a period, and ellipses. I break into buildings. 🔓
"Even if the world were ending tomorrow, I would still plant a tree." 🌲
(he/they)
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
Katie Moussouris (she/her/she-hulk/she-ra)🌻 @k8em0.bsky.social Founder & CEO LutaSecurity @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, 1/2 Greek all-American hacker
TrustedSec @trustedsec.com End-to-end Cybersecurity consulting team leading the industry, supporting organizations, and giving back. #HackThePlanet
https://trustedsec.com/
Volatility @volatilityfoundation.org Official account of the Volatility Memory Analysis Project and Windows Malware and Memory Forensics Training. http://volatilityfoundation.org
GreyNoise @greynoise.io GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
Electronic Frontier Foundation @eff.org We're the Electronic Frontier Foundation. We're a nonprofit that fights for your privacy and free speech online. Find all of EFF's social media accounts at eff.org/social.
Red Siege @redsiege.com Penetration Testing, Purple Team, Red Team & Adversary Emulation.
Let our Offense, Prepare your Defense. https://redsiege.com
#weareoffensive
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
D̒͂̕ᵈăᵃn̕ᶰ Ť̾̾̓͐͒͠ᵗe͗̑́̋̂́͡ᵉn̅ᶰtᵗl̀̓͘ᶫe̓̒̂̚ᵉrʳ @viss.hax.lol Viss from twitter and mastodon.social.
startup founder, hotsauce guy, public speaker
eater of pineapple on pizza, listener of ska, flooper of quads
internet grandpa, former sysadmin turned infosec
https://phobos.io/rtg/
https://ravenholmspices.etsy.com
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.
Andrew Exum @exum.bsky.social 
DEF CON Parrot🦜 @defconparrot.bsky.social Latest News, Fun Moments & Event updates from the DEF CON Community • Follow to stay updated!💛
#DEFCON33 Dates:🎉Aug 07 - Aug 10, 2025
Link of Links {
Resources🌍 •> https://linktr.ee/defconparrot
Updates🗞️ •> https://x.com/defconparrot
}
Black Hat @blackhatevents.bsky.social The world's premier Technical Cybersecurity Conference Series
OWASP® Foundation @owasp.org We improve the security of apps with community-led open source projects, 260 local chapters, and tens of thousands of members worldwide. Famous for OWASP Top 10
Internet Engineering Task Force @ietf.org The overall goal of the IETF is to make the Internet work better by producing open technical standards.
Graylog @graylog.bsky.social 🌍 Trusted Threat Detection & Incident Response solutions. Experience the difference with our unmatched capabilities. #SIEM #APISecurity #LogManagement #InfoSec
InfoSecSherpa 🏔️ @infosecsherpa.bsky.social #Librarian turned #InfoSec & #DataPrivacy practitioner. #Philly area hoagie mouth. InfoSecSherpa and Sherpa Intelligence: Your Guide Up a Mountain of Information! Portfolio: https://linktr.ee/infosecsherpa #GoBirds
Canonical @canonicalltd.bsky.social Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things.
#Canonical #Ubuntu #Linux
Raspberry Pi @raspberrypi.com We make very small computers which you can buy from just $4. We are also the literal coolest.
Grafana @grafana.bsky.social Open and composable observability.
https://grafana.com/
Ars Technica @arstechnica.com Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
DEF CON @defcon.bsky.social The world’s premier hacker conference. Serving the global hacker community since 1993.
Defcon.org
Forum.defcon.org
Defcon.social
adafruit @adafruit.com Engineer - Founder of Adafruit - Brooklyn, NY USA - Manufacturer, open-source hardware, certified Minority and Woman-owned Business Enterprise (M/WBE) https://adafruit.com - support https://forums.adafruit.com & order/customer help support@adafruit.com