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
Harrison @gharryg.com 
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
Brad Lander @bradlander.bsky.social Dad Lander. Former Councilmember Lander. Former Comptroller Lander. Running for Congress because we need to fight, not fold. 🥊
https://linktr.ee/bradlander
Datadog Security Labs @securitylabs.datadoghq.com Read our Security Labs blog: https://securitylabs.datadoghq.com
Subscribe to our monthly newsletter: https://securitylabs.datadoghq.com/newsletters/
Radley Balko @radleybalko.bsky.social Journalist. Quattrone Center journalism fellow.
Author: Rise of the Warrior Cop.
Co-author: The Cadaver King and the Country Dentist.
New podcast: Collateral Damage
Substack: radleybalko.substack.com
Signal: radleybalko.52
ChocolateCoat @chocolatecoat4n6.com 💼 DFIR for Cisco Talos Incident Response. Thoughts are my own.
📝 Blog: https://chocolatecoat4n6.com/
✨NBA • Comics • Movies/TV • Tekken • Anime/Weeb • Human Centric Design • Drawing/Digital Art • Home Design • Forensics • Paleontology • Menswear
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
Zohran Kwame Mamdani @zohrankmamdani.bsky.social Mayor of New York City
Mark D. Levine @marklevinenyc.bsky.social Comptroller of New York City.
linktr.ee/marklevinenyc
zeynep tufekci @zey.bsky.social It is said that there may be seeming disorder and yet no real disorder at all
cje @cje.io founder @bugcrowd && co-founder @disclose_io || hacker, entrepreneur, executive, advisor || عصا موسى || #w00w00
Julian Sanchez @normative.bsky.social He sits motionless, like a spider in the center of its web, but that web has a thousand radiations, and he knows well every quiver of each of them. juliansanchez.com
CISO Series @cisoseries.com CISO Series is a media network for cybersecurity professionals, delivering the most fun you’ll have in cybersecurity. Home of the podcasts Defense in Depth, Cyber Security Headlines, and the CISO Series Podcast.
https://cisoseries.com
BadThingsDaily @badthingsdaily.bsky.social THESE 👏 TWEETS 👏 ARE 👏 FICTION👏
This account tweets fictional or headline inspired breach scenarios.
To play: Share opinions on prevention or response steps.
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 🌻
Patrick Skinner @pmskinner.bsky.social Nothing much to say that hasn’t been said long ago: I’m a doofus and a terrible follow
Scott Piper @scottpiper.bsky.social Cloud security historian.
Developed http://flaws.cloud, CloudMapper, and Parliament.
Founding team for fwdcloudsec.org
Principal Cloud Security Researcher at Wiz.
Adriana Porter Felt @apf.bsky.social I like writing silly skeets, but that doesn't pay so I also make Google Chrome. mamá, Eng Director, volunteer at Second Harvest. 🇺🇲🇨🇷
Twitter: @__apf__- R Conor O'Donnell @ronocod.bsky.social Engineering stuff at @tines.com. He/him
Yannick @yannickgloster.bsky.social Software engineer @tineshq.bsky.social
@tines.com @tines.com The workflow and AI orchestration platform loved by security-minded teams.
Try our always-free Community Edition: http://tines.com/community-edition
Dino A. Dai Zovi @ddz.bsky.social I drink amari and I know things. $ddz
LMDDGTFY: https://duckduckgo.com/?q=dino+dai+zovi
NYC/BK
Adam Shostack @adamshostack.bsky.social Threat modeling. BH Review Board. Affiliate Professor, UW. Fixed autorun. Helped create CVE.
Not sure why we're building graphs on yet another (effectively) centralized system. https://infosec.exchange/@adamshostack
CYBERLAWCON @cyberlawcon.bsky.social Join us in shaping the future of cyberlaw on Friday, February 28, 2025 in Arlington, VA.
Filippo Valsorda @filippo.abyssdomain.expert RC F'13, F2'17
Cryptogopher / Go cryptography maintainer
Professional open source maintainer
https://filippo.io / https://github.com/FiloSottile
https://mkcert.dev / https://age-encryption.org
https://sunlight.dev / https://filippo.io/newsletter
Weems @medanarchy.bsky.social He/him - 27. 🔞 🇺🇦 #NAFO - Fearless Era Swiftie - Nashville Eras Tour N2. long walks are the best. QA Engineer / infosec shitposter. no comment should be assumed to refer to any employer.
Robert Graham @erratarob.bsky.social @erratarob on the hellscape site
rand0h @akacki.net https://wsiiax.myshopify.com / Goon / Degenerate / KD3CHT / Akacki.net / DEFCON610.org
Ryan Platten @nonmalicious.com Professional Googler of all the things / Husband & Dad / Do stuff @binarydefense.com / TTRPG / Vidya Games / Collector of Hobbies / Skeets are mine.
BSides Las Vegas @bsideslv.org BSides Las Vegas will take place August 3-5, 2026
Las Vegas · bsideslv.org
BSides Austin @bsidesaustin.bsky.social BSides Austin 2024: December 5th - 6th (back to two days of in-person talks!)
Website: https://bsidesaustin.com
Mastodon: @bsidesaustin@infosec.exchange 
Cloudflare @cloudflare.social Cloudflare is the world’s leading connectivity cloud, and we have our eyes set on an ambitious goal — to help build a better Internet.
Uncle Joe @sydseter.com Co-leader OWASP Cornucopia. If you like what we do for open source, visit our code repository https://github.com/OWASP/cornucopia and give us a star ⭐
🌈 «Difference is of the essence of humanity» 🦄 – John Hume
#appsec #owasp #cornucopia #threatmodeling
Kevin Hanaford @cmdkvn.bsky.social Security @ Discord. People hacker. Rules are dumb.
Anton Chuvakin @anton1chuvakin.bsky.social www.chuvakin.org
Matt Johansen @mattjay.com Friendly neighborhood cybersecurity guy | expect infosec news, appsec, cloud, dfir. | Long Island elder emo in ATX.
vulnu.com <- sign up for my weekly cybersecurity newsletter
Corey Quinn @quinnypig.com Snarkmonger. Chief Cloud Economist at The Duckbill Group.
he/him.
Get my opinionated take on AWS news: http://lastweekinaws.com/t/
Signal: 833-AWS-BILL (833-297-2455)
LimaCharlie @limacharlie.io Security tools and infrastructure on-demand. Use LimaCharlie to automate and manage security operations at scale.
🇪🇸 👻 🇪🇸 @0x0.svpn.com Security. People matter most. Get off X, fool.
Signal: Bluesky.999
Christopher Luft @tekgrunt.bsky.social Co-Founder @LimaCharlie.io | Host of The Cybersecurity Defenders Podcast
I am interested in computer science, art & growing my own food. Working to disrupt the way cybersecurity tools and supporting infrastructure are delivered.
Ian @ark0x00.bsky.social Threat Hunt Analyst @ BlueVoyant | Former Military | Old Punk and Snowboarding Junky | Simracer
Tanisha L. Turner @cybersecdiva.bsky.social Cybersecurity Professional | Malware Researcher | Threat Hunter | <Detection> | SecOps
All Views expressed are my own.
Michael Tolan @ardamgrey.bsky.social Aspiring enthusiast. Security Researcher @ Tines.com. Leftist interested in cyber security, AI and sustainability. All views my own. He / him.
Sean Koessel @5ck.bsky.social VP and founding member @Volexity. Incident Response/DFIR/Targeted threat analysis.
Cynthia Brumfield @metacurity.com DC resident and cybersecurity writer, analyst, book author, publisher. https://metacurity.com/ https://cyberriskbook.com/
https://www.csoonline.com/profile/cynthia-brumfield/ https://infosec.exchange/@metacurity
Send tips to Cynthia.507 via Signal.
Molly White @molly.wiki writes citationneeded.news • runs @web3isgoinggreat.com and @influence.citationneeded.news • tech researcher and cryptocurrency industry critic • software engineer • wikipedian
support my work: citationneeded.news/signup
links: mollywhite.net/linktree
💗💜💙
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
Rob Dickinson @robfromboulder.bsky.social Software philosopher, security & big-data nerd, enthusiastically bad drummer. Based in Boulder CO 🏔️ 🇺🇸 #api #apisecurity #cybersecurity #infosec
Daniel Stinson @shellcromancer.io Building something new! Used to be a security engineer @ Brex & Cloudflare. Hobbyist reverse engineer of 🍎 and 🐧 things… dogs are better than humans.
Ian Foster @lanrat.bsky.social Researcher, Hacker, Programmer, Geek, DNS Historian (http://dns.coffee)
thellamatechie @thellamatechie.bsky.social Elle.
Black Widow of AppSec | Mad as a hatter | Pro nap taker | Plant-based🥕 A Cybermaiden who likes coding, motorsport, legos & sneakers.
chronic sudo abuser @layer8.bsky.social | packet shepherd | #cybersecurity intel idiot among geniuses |
senior architect & SME @ $vendor
screams into the void about #DNS, #AI, and #governance and follows every Williams I can find
darknetian.com/about
@layer8-flash.bsky.social for flashes ⚡
ΖΔC|-| @lanzakin.bsky.social #CTI 🐢 | Adjunct @ UAlbanyCEHC | Gaming, Guitaring, and Threat Hunting | BlueSky things and views are my own.
Jason Geffner @geffner.bsky.social Principal Security Engineer at Microsoft. Formerly at Google and Amazon.
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.
Beau Woods @beauwoods.com hack all the cybers
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
tuckner @johntuckner.me Working on finding bad software extensions.
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
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.
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.
signalblur📡🛸 @signalblur.bsky.social Cloud Security Researcher
Founder of https://magonia.io
#Cloud #Container #NSM #Malware #CTI #ThreatIntel
UFO Enthusiast
Opinions are my own. He/Him
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
Christophe Tafani-Dereeper @christophetd.fr Cloud and container security • Security research and open source at Datadog
🇨🇭🇫🇷
https://christophetd.fr
Greg Foss @gregfoss.com Security Research Leader @ Datadog
Views are strictly my own
Matthew Conway @mattreduce.com 🔍 Threat Intelligence @ Remitly
✍️ CTI newsletter and blog @sourcesmethods.com
mthcht @mthcht.bsky.social Threat Hunting - DFIR - Detection Engineering
🐙 https://github.com/mthcht
🐦 https://x.com/mthcht
📰 https://mthcht.medium.com
Kostas @kostastsale.bsky.social Running ➡ http://defendpoint.ca | http://edr-telemetry.com | https://edr-comparison.com/ | http://detectionstream.com | 🇬🇷🇨🇦
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
AJ King @ajking.io Threat Research at SnapAttack now part of Splunk now part of Cisco / Detection Engineering / Dad | #DetectionEngineering #ThreatHunting #PurpleTeam | Header art from http://art.vx-underground.org.
Matt Hand @matterpreter.bsky.social Director of Security Research at Prelude💜 | Author of Evading EDR http://nostarch.com/evading-edr 📖 | Security research & windows internals 🦠
techy @techy.detectionengineering.net Creator of Detection Engineering Weekly (https://detectionengineering.net), Sec Research/Intel/Detection @ Datadog
Sean Cassidy @seancassidy.me 
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
Lea Kissner @leak.bsky.social Security, privacy, respect. Was the Twitter CISO until it was terrible. Now LinkedIn CISO. they/them
wendy knox everette @wendyck.bsky.social Startup CISO. BSidesLV Lockpick. Hacker lawyer. Amzn & Google alum, USCG wife, Wellesley, GMU Law. IAAL but IANYL.
Adam J O’Donnell @adamjodonnell.bsky.social Deputy CISO @ Stripe. I like art. cDc ❤️🫵
gattaca @gattaca.bsky.social Grump, keynote, breaker of things, dad, podcaster, creator of (-:|3, OG, raconteur, gentleman spy, investor, whisky distillery owner
Emilio Escobar @eaescob.bsky.social CISO, investor, overall nerd, and wordle addict. Passionate about all tech, especially for tech that breaks the mold. https://emilio.blog
Adam Arellano 👩🏼🎤🧚🏼♂️🧜🏼♀️🏳️🌈 @adamarellano.bsky.social CyberQueer. Former Marine. Current Mexican and American. DEI Warrior. He/They.
Thoughts = Mine 🇲🇽🏳️🌈🇺🇸
Mike Johnson @mikevj.bsky.social Security geek, car geek, offroading geek
Geoff Belknap @geoffbelknap.bsky.social Professional Security Person | NatSec, Cyber, and InfoSec Tweets | WILL NOT ATTEND YOUR WEBINAR | “Slow, awkward, but authentic.” | Native Buffalonian | He / Him
Cory Scott @coryscott.bsky.social Security guy. Previously at Confluent, Google, LinkedIn, Matasano, and @stake.
Ethan @ethanhouston.bsky.social Security Engineer @ Lumos. Cyclist. Espresso drinker.
Corey Neskey @cneskey.bsky.social Bayesian Cybersecuristician
(Messages are generated by human and may be inaccurate or inappropriate.)
Peter C @peterc.ollins.me Security Engineer
https://peterc.ollins.me
Ryan McGeehan @mag00.bsky.social Security person. Formerly @ Federal Reserve, FB, Coinbase.
See Starting Up Security @ http://scrty.io
Isabel Elaine Allen @datacooker.bsky.social sailor, biotech entrepreneur, biostatistician, runner, knitter, stats & analytics prof, musician, sabrmagician
@zac.topsidemaps.com @zac.topsidemaps.com 
0n1ydan5 @0n1ydan5.com ❤️s Hax, Code, Running. Chaos Monkey. Feminist.
5x Marathon Runner, 2x HM, 2x 10k🏃
BCS / ACM / OWASP / OpenUK member. Personal Acc.
https://linktr.ee/0n1ydan5
mcp @securitydumpster.bsky.social Opportunity Threat Hunter | Recovering snowboarder | my views are my own
John Opdenakker @j-opdenakker.bsky.social Blogger | #Infosec | #AppSec | Security awareness | Occasional Public Speaker | Cycling | Running | Posts might contain bad humor, sarcasm or irony | Takes your security seriously!
https://johnopdenakker.com
SeanWrightSec @seanwrightsec.com Principal Application Security Engineer focused on all things #AppSec. Occasionally dabble in my own research. Also keen gamer and aspiring photographer.
Jayson E. Street💜🤗💜 @jaysonstreet.bsky.social Hacker - Helper - Human
JaysonEStreet.com
(╯°□°)╯︵ S︵T ︵U ︵🔥 @cybersecstu.bsky.social I'm a Teams reaction GIF, I like OSINT, Consulting Director ✍️ CTI & Analytics book ~202X, Tracelabs Black badge x3, Ex-Podcaster, ex The many hats club, #cyber Views my own or the AI's.
UK_Daniel_Card @mrr3b00t.bsky.social