Gerry @gdb.bsky.social Cats, Telecom/HFC/FTTx/data centers/ISP’s/Internet routing/datacom, physical/logical security. Mastodon:gdb@defcon.social. Esperanto, Locksport, infosec, amateur radio, electronics/programming, 3D printing, DEFCON, Supercon, reading, red wine, bourbon
ethun @ethun.bsky.social sick as a sore throat
threat research @ nationwide ins.
bk @kolczyn.ski Security and insecurity things.
andy jabbour @andyjabbour.bsky.social Imported Tattooed-🇺🇸. Veteran. Virginian. #OnePride. Founder & CEO, Gate 15 @gate15.bsky.social, cyber & all-hazards risk & resilience. Board Member, Loudoun Hunger Relief, FB-ISAO. Anti-'Great Military Complex/Ballroom' & Anti-SAVE Act enthusiast.
Heinbrian @heinbrian.bsky.social #w00w00 #00m00m
Angela Steffens @wonderwomancode.bsky.social Founder/Engineer working on open source software at the intersection of web3 + AI @alternatefutures.bsky.social
wonderwomancode.eth
Olympia, Washington
Carly Page @carlypage.bsky.social Journalist & copywriter with 10+ years covering the tech industry, formerly senior cybersecurity reporter at TechCrunch. Bylines include IT Pro, LeadDev, The Register, The Telegraph, TIME, WIRED, & more.
☎️ Signal: carly.44
✉️ carlypagewrites@gmail.com
Amy @lolennui.bsky.social Camera tinkerer. Contributor @ The Onion.
amyash.me
Konstantin @konstantinklinger.bsky.social Threat Detection & Research at Proofpoint
Mark Kelly @mkyo.bsky.social 🇨🇳 Threat Research at Proofpoint
Brock Chapin @brrrock.bsky.social PowerShell and guitar nerd stuff. Jerry Garcia enthusiast.
SRE @ Proofpoint
🇺🇦 Xorhex 🇺🇦 @xorhex.bsky.social 
@adorais.bsky.social @adorais.bsky.social Manager, APT Research Team @ Proofpoint
Alex Falatovich @falatovi.ch Cyber investigator just trying to protect the Internet. Opinions are my own. (he/him/his) #FinsUp #WetheNorth https://infosec.exchange/@alexfalatovich
https://x.com/afalat55 (but decreasing activity there)
Fight for the Future @fightforthefuture.org 👊 Battling techno-fascism with our Internet-savvy blend of attention-grabbing activism and mass mobilization.
https://www.fightforthefuture.org/2026
Mike Madaio @lifeattable.bsky.social Author, “A History of Philadelphia Sandwiches,” out now. (Ordering info in bio link.) Also write about PA wine and Italian wine and food.
https://lifeattable.com
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
Doyle Groves @deejmon.bsky.social data scientist, independent variable
https://linkedin.com/in/doyle/
developing valhalla (techno-progressive) @valhallaresearch.net if we're all cooked, I'm at least gonna make it spicy.
newsletter: newsletter.valhallaresearch.net
BogeyBackdoor @bogeybackdoor.bsky.social I break into banks, spy on threats, drive a golf cart and play Lorcana
VGhlIEFuYWx5c3QgZm9ybWVybHkga25vd24gYXMgWW9zaGk=
Better Days @oldandintheweigh.bsky.social Hoping all the verses rhyme. Only listening to the best choruses.
Wesley Shields @wxs.bsky.social Working at Google TAG. Retired FreeBSD committer. May or may not be a robot.
Alethe @alethe.bsky.social ‘Uh-Lee-th’ | Bishop Fox 🦊 Red Team | DEF CON Goon & Black Badge Hall of Fame | DEF CON Social Engineering CTF Winner 2019 | Physical Pentester | IVR Pentester | IR Tabletop King 👑
Safa 🇿🇦 in NorCal 🇺🇸 - Fish 🐠 Nerd - Jeep Girl
Joe Warminsky @jwarminsky.bsky.social News Editor at The Record: @therecordmedia.bsky.social
[ Tired of bios ]
[ Often thinking about music ]
[ Etc. ]
piffey @piffey.net Seattle, WA
piffey.net
CTI/Threat Research
Sounders/West Ham
Pete, the Antifascist Nisse 🌈🔨🌈 @nanou2.bsky.social If you're wondering whether I said something in earnest, I DID. Minneapolis antifascist & abolitionist. Parent, neighbor, queer. He/him. Fuck the police. Angrily spreading joy.
Banner pic: X-Men's Wolverine saying, "Pete! What's wrong with you?
shellsharks @shellsharks.com Infosec researcher | more about me @ https://shellsharks.com
@shellsharks@shellsharks.social on Mastodon
Sean McNee @seanmcnee.bsky.social VP of Research & Data at DomainTools
Lover of Mac & Cheese
Hater of Phishing, Malware and Spam
It's always DNS
Will @willjcim.bsky.social Threat Research
Software Engineering
Operator of AS395044- S SyntheticBot @syntheticbot.bsky.social Protected by Clownflare
Emmanuel(arrakis sandrider variant) 🦉🇬🇭 @emmanuel.bsky.nyc Tech Generalist | Blockchain Researcher | Shadowy Super Coder 👨🏾💻
prev. JPMorganChase&Co 🏦
Bluesky Community Contributor: @bsky.nyc 🗽
Olaf Hartong @olafhartong.nl Security researcher with a camera | @FalconForce.nl | Microsoft MVP | Snow man role model | https://youtube.com/@olafhartong
Scoubi @scoubi.bsky.social Infosec, Detection Engineering, Threat Research, Threat Hunting, OffSec, Conference Organizer.
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.
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip
krux @krux.org Also over at @krux@infosec.exchange
Hacker, geek, artist, creator of puzzles.
hk/at/rgtedt/urrh/p:xoals.i
If you're on the fence you should give it a shot. Cryptography and puzzles are fun. You might learn something neat.
Haxolotl 🌻 @haxo1ot1.bsky.social Chaotic good security analyst | CTI & OSINT | Wanna be threat hunter | They/them
Golgothus (Zach) @golgothus.bsky.social Senior Incident Response Engineer | Threat Hunting, IR, Cloud | ENFJ | http://wlo.link/@golgothus Your friendly CSO! (Chief Soap Officer)
x.com/golgothus
Edna (they/them) 🅅 @ednas.bsky.social 
Adam Baldwin @evilpacket.net Hacker / Farmer / Builder / Breaker
clickity, hackity, pwned.™
More info: https://evilpacket.net
julie niesen @julieniesen.bsky.social hurt a cop’s feelings & he paid my legal bills. police accountability advocate, former food writer (Gannett, NPR, Scripps) & tech marketer (Cisco, Zebra). Now: 3L, event pro, consultant & biz owner. formerly winemedineme.
SynMac @synmac.bsky.social Connoisseur of pDNS, InfoSec shitposter, Professional Conference Attendee. All opinions are my own and represent only the current opinions I have in my personal capacity.
Sean @choan.bsky.social Hacking and Hockey
Justin Elze @handle.invalid CTO @TrustedSec.com | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
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)
Ryan Castellucci 🜬 @rya.nc Hacker. Enby. Administrative inconvenience. Purveyor of technically sophisticated shitposts.
Suing the UK for more gender, help with my legal bills: https://enby.org.uk/
Mastodon: https://infosec.exchange/@ryanc
Non-binary trans androgynous (they/them)
Shell @risu.bsky.social edtech and digital /cyber strategy/ advisor against tech enabled harm/ domestic abuse #edtech #education #harmreduction she/her
Heidi Przybyla 🎤✍️ @heidireports.bsky.social Award-winning print, digital and TV investigative journalist
Pls sign up on my site: www.heidireports.com
"If you can make people believe lies are the facts, then you can control them."
(Maria Ressa, Nobel Peace Prize Winning Journalist)
Tips: 571 375 894
Center for Angletonian Thought @blackthr0atedwind.bsky.social Former national security executive, ailing distance runner, and struggling girl dad. Run a private intelligence company that supports public and private sector objectives. Based in Washington D.C.
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
AskHistorians @askhistorians.bsky.social Answers about history, from historians | Biweekly podcast | "Good history eggs on the internet"| Ask questions at https://www.reddit.com/r/AskHistorians/
Mikel Jollett @mikeljollett.bsky.social New York Times bestselling author. Former All Things Considered, NPR, LA Times, NME, McSweeney’s, Stanford University. Singer in this one band.
Jim Lippard @lippard.org I like infosec (esp. threat intelligence), history and philosophy of science and technology, skepticism. (started compsci but phil BA; phil MA to ABD; did later human/social dimensions of sci/tech; career infosec) Mastodon: http://infosec.exchange/@lippard
Alexander Leslie @aejleslie.bsky.social Cybercrime & Hacktivism @ Recorded Future | Insikt Group | Curated Intelligence | @aejleslie everywhere else.
Christina Ayiotis @christinaayiotis.bsky.social Mom, Cook, Cyber/AI/Privacy Lawyer, World Traveler, Cross-Pollinator, Continuous Learner (MY PERSONAL OPINIONS ONLY)
Ben Read @benread.bsky.social CTI @wizsecurity.bsky.social
Adjuct at @jhu.edu - SAIS
Nonresident Fellow at @atlanticcouncil.bsky.social - Cyber Statecraft
Previously NSC44, Mandiant, Google
Go Mammoths
brain @brain.bsky.social AU PERSON 1. threat intel. i hunt bad guys.
Jay Swan @sanjuanswan.bsky.social mountains, books, bikes, intelligence history, modernism. Formerly, threat intel @ GitHub.
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
Megan Stifel @megans.bsky.social Mom. Cyber & NatSec policy and law. Not what you might think.
🇺🇸
immortanjo3 @immortanjo3.bsky.social Twitter refugee like the rest of us. Opinions are my own. #D&D, #InfoSec, ICS, memes, and just trying to do some good in the world. Waffle House enthusiast. #NAFO. War Eagle! Slava Ukraini.
https://www.youtube.com/watch?v=F5kGczP0zH0
Alexis Brignoni🪫 @abrignoni.com 🤓 Digital forensics nerd.
🌹 Mobile forensics is my passion.
💡 Opinions are mine and subject to change.
🎙️ Co-host of The Digital Forensics Now Podcast
👤 He/Him
🔗 abrignoni.github.io
Veronica Valeros @verovaleros.bsky.social Woman. Hacker. Artist. Researcher at CTU in Prague. BlackHat Trainer. BlackHat Review Board. Making good things happen. Intelligence and Security Studies Master student at LJMU. Argentinean in Czechia.
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. 🇺🇸 🇺🇦 🇹🇼 #ThreatIntel
Storm chasing 📸 🌪️: @wxdox.com
Christopher Vega @thevega.bsky.social I do threat intel things. Former Activision Blizzard // Epic Games. Currently putting the G in 5G. Kinda passionate and extremely okay. Opinions are my own. He/him/#FSD 🦆
Dave Wilburn @davemwilburn.bsky.social Recovering infosec engineer, machine learning for infosec, sailor, news junkie, threat intel consumer, deep statist. All opinions are mine. Also see my account on Mastodon/Fediverse, @davemwilburn@infosec.exchange
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.
S 🪩 @s0urcesmeth0ds.bsky.social 
Robert Jordan @rjordan3.bsky.social Not that Robert Jordan. Infosec / GRC nerd and Halloween enthusiast. He/Him. Be kind.
Aaron Gersztoff @agerszto.bsky.social Advanced Threats @ Yahoo. All things security related. And the Mets.
Adam Rawnsley @arawnsley.bsky.social Dog shepherd.
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
Gina Wallace @ginakwallace.bsky.social Hockey mom, military spouse, hearing nerd.
Renee DiResta @noupside.bsky.social 🌐Studies influence, propaganda, platform design@Georgetown
✍🏼Lawfare,The Atlantic, Substack/Ghost Newsletter (signup on my site if you want Ghost)
📕Invisible Rulers: The People Who Turn Lies Into Reality (invisiblerulers.com)
🦹🏻♀️Twitter Files supervillain
Nathaniel Gleicher @ngleicher.bsky.social Global head of security policy and counter-fraud at Meta. Countering adversarial threats. Previously Illumio, NSC, DOJ. He/him. Dreaming of fall in the green mountain state.
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
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
Craig Newmark @craignewmark.bsky.social #nerdpatient0
craigslist founder
https://craignewmarkphilanthropies.org/
Ann Johnson @ajohnsocyber.bsky.social Cyber. Family. Dogs. Reading. Music. Baking. Cooking. Gardening. Pro sports. At Mastercard. But posts are just me.
Rachel Tobac @racheltobac.bsky.social Hacker & CEO @SocialProofSec security awareness/social engineering training, videos, talks | 3X @DEFCON🥈 | Ex Chair @WISPorg | Ex @CISAgov Technical Advisory Council under Director Jen Easterly
Bob Lord @boblord.bsky.social Cautiously pessimistic, esp. about cyber things.
The owls are not what they seem. 🗻🗻🦉🌲🪵 🍒🥧☕️🍩 🕵🏼♀️ 👍🏻
Also: 🔐🔑🔒
And of course: hacklore.org
Other account: @hacklore.bsky.social
Bryson Bort 🦄🌴 @brysonbort.bsky.social 🦄
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
Pasquale Stirparo 🇺🇦 🇪🇺 @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
Chris Wysopal @weld.bsky.social Gray haired gray hat. Co-founder Veracode. Former L0pht security researcher. Builds tools to find and fix vulnerabilities in code at scale.
Hexadecim8 @hexadecim8.com Author | spooky trans athlete | Linux behavioral threat researcher | never hacked nobody
https://hexadecim8.com
saintX @saintx.bsky.social Espionage Intelligence Alchemist. Threat Intel, teller of truths, annoyer of the feeble minded, known to ramble. CyberDad #cognitiverustbelt
#LABScon / #PIVOTcon
Drunk Binary @drunkbinary.bsky.social Senior Principal Adversary Hunter @dragosinc, Army Veteran,
Cocktail Scientist, APT Researcher | #FSD
https://infosec.exchange/web/@DrunkBinary
https://twitter.com/DrunkBinary
Danny Moore @moore.bsky.social Cyber-warfare | PhD from KCL | Author of 'Offensive Cyber Operations' | Security @ Meta 
wendy knox everette @wendyck.bsky.social Startup CISO. BSidesLV Lockpick. Hacker lawyer. Amzn & Google alum, USCG wife, Wellesley, GMU Law. IAAL but IANYL.
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.
Lil Juan Rey @johnking.bsky.social 🏥🍯 TLP: Burnt Sienna, Omni Consumer Products Manager, High Altitude Treasure Recovery
dms1899 @dms1899.bsky.social work time: defender
fun time: malware hoarder/puzzle solver/capacity tester
member of:
@cryptolaemus.bsky.social
fan of:
@hatching_io
@sublime_sec
Herrcore @herrcore.bsky.social 
Allison Wikoff @saltywikoff.bsky.social #threatintel Americas Lead @pwc. Hype woman. Beach Rat. Former Adjunct @Columbia. Lover of all the APTs. | All views are my own. @SaltyWikoff@infosec.exchange (not really though)
@SaltyWikoff at the other place
MalwareHunterTeam @malwrhunterteam.bsky.social https://x.com/malwrhunterteam | https://id-ransomware.malwarehunterteam.com/
Brad @malware-traffic-analysis.net Sharing information on malicious network traffic and malware samples at https://www.malware-traffic-analysis.net/
John Hendley @vertighost.bsky.social Husband & father. Cyber Security at Coalfire. DEF CON C&E goon. Costco superfan, coffee, brazilian jiu jitsu, food, and Gator football 🐊
Per Morten Sandstad @pmsandstad.bsky.social Cyber Threat Intelligence | Incident Response | 127.0.0.1@Oslo.Norway | $job@mnemonic.no