Mary Anne Franks @maryannefranks.bsky.social Law Professor at George Washington Law. President of the Cyber Civil Rights Initiative. Author of Fearless Speech (2024) and The Cult of the Constitution (2019). First Amendment, civil rights, technology, criminal law, family law, firearms law.
ROOST @roost.tools We’re ROOST (Robust Open Online Safety Tools), a non-profit building and maintaining open source, accessible, high-quality, transparent safety tools for digital organizations of all kinds.
roost.tools
remy 🐀 @remyhax.bsky.social Dad, Vulnerability Research, Packet connoisseur. He/Him. Cyber Security Architect @greynoise.bsky.social
, DM's open. Top percentage Rattata. #cve #infosec #cybersecurity
https://remyhax.xyz/
Chris Thompson @retbandit.bsky.social Head of Red team @ IBM X-Force. Black Hat Review Board. Founder and co-organizer of Offensive AI Con. Co-Founder of RemoteThreat. inveni et usurpa
Brett Hawkins @h4wkst3r.bsky.social Adversary Services @xforce
https://h4wkst3r.github.io
Sam Gregory @samgregory.bsky.social Outgoing Executive Director http://witness.org : AI + emerging tech + human rights; 'Prepare, Don't Panic' initiative on media manipulation/generative AI. TED speaker on deepfakes, https://www.samgregory.info, @samgregory on Twitter/X. PhD Westminster.
Johns Hopkins School of Advanced International Studies @johnshopkinssais.bsky.social Johns Hopkins SAIS: Innovative thinkers and problem-solvers confronting complex global challenges.
📍 D.C. Bologna, Nanjing
🔗 sais.jhu.edu
Alexios Mantzarlis @mantzarlis.com Tech, facts, and carbonara.
mantzarlis.com
Valerie Wirtschafter @vwirtschafter.bsky.social Fellow at the Brookings Institution. Poli sci PhD researching all things new media, emerging tech, and democracy.
Jane Lytvynenko @janelytv.bsky.social Reporting on tech and conflict for NBC News.
Previously WSJ, Harvard Shorenstein Center, BuzzFeed News.
Email: jane.lytvynenko@nbcuni.com
Signal: janelytv.74
Currently based in New York.
Greg Lesnewich @greg-l.bsky.social oh great, now I’m on bluesky 
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
JP Dardón @jpdardon.bsky.social Escritor
www.jpdardon.com
Alex Pinto @alexcp.bsky.social Cybersecurity data storytelling. DBIR at Verizon Business. Previously serial founder and parallel shitposter. He/him.
Gabriel @morecoffeeplz.bsky.social Distinguished AI Research Scientist at SentinelOne. Former OpenAI, Apple infosec. Lecturer at John’s Hopkins SAIS Alperovitch Institute. Deceiver of hike length and difficulty.
Emerson T. Brooking @etbrooking.bsky.social Director of Strategy & Sr. Res. Fellow, DFRLab/Atlantic Council. Defense Analyst. Author. Poster (ret.)
Sean Lyngaas @snlyngaas.bsky.social Cybersecurity reporter, CNN. Signal +1-202-355-8471 or SNLyng.11. sean[dot]lyngaas@cnn[dot]com|slyngaas@proton[dot]me
Morgan Adamski @morganadamski.bsky.social EXDIR of U.S. CYBERCOM. Cyber Huntress, #1 Fan of CCC, Life goals include the ocean…- A John Kelly @apidictionist.bsky.social Cyber-social Cartographer, Exec Chairman @ Graphika
thesilence @thesilence.bsky.social Principal analyst @vtxproject / #Synapse
#APT1 report / former Mandiant
Doing #threatintel before it was a thing
iVerify @iverify.bsky.social Detect and Stop Mobile Threats.
iVerify is an easy-to-deploy, privacy-respecting mobile security platform that combines threat detection and mobile forensics with automated response and remediation.
Aric Toler @aric.bsky.social Visual Investigations at The New York Times
Shelby Grossman @shelbygrossman.bsky.social Professor of Practice at the Howard Center for Investigative Journalism at the Walter Cronkite School of Journalism and Mass Communication at Arizona State University
x0rz @x0rz.bsky.social Cybersecurity & Threat Intelligence. Knowledge is power, France is bacon 🥓
Cris Brafman Kittner @criskittner.bsky.social military strategy, geopolitical analysis, CTI, avid photographer
Andy Piazza (klrgrz) @klrgrz.bsky.social Christian. Killer grizz w/ a keyboard. DEF CON C&E Goon & Black Badge. Hack things w/ BSidesNOVA. GSE #344.
Selena Larson @selenalarson.bsky.social loves dogs, sports, memes. she/her. podcaster. "bluesky's humblest resident nailfluencer 💅" - Jerry
my heart is in the west 🌵🌊 views mine.
Lorenzo Franceschi-Bicchierai @lorenzofb.bsky.social Real-time historian of the late cyber capitalist era @TechCrunch, writing about the intersection of hackers, human rights, and spies.
Also writing a book about Hacking Team and the history of government spyware.
☎️ Signal: +1 917 257 1382
Jenna McLaughlin @jennamclaughlin.bsky.social NPR Correspondent covering technology and national security.
Send me a tip: Text JennaMcLaughlin.54 on Signal from personal (nonwork) devices.
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
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.
hakan @hatr.bsky.social reporter covering cyber (both crime and state-sponsored) for Der Spiegel and ZDF, short overview at https://linktr.ee/hakantanriverdi, Signal: hakan.25
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
Katie Nickels @likethecoins.bsky.social 
DistrictCon @districtcon.bsky.social A new DC hacker conference: Bringing together builders, breakers, and fixers to do cool shit.
Feb. 6-7, 2027
districtcon.org
Josh Goldstein @joshagoldstein.bsky.social Research Fellow @Georgetown's Center for Security and Emerging Technology (CSET).
Studying emerging tech, national security, and online manipulation. Trying to bridge the academia/policy divide.
https://cset.georgetown.edu/staff/josh-a-goldstein/
David Agranovich @dagrano.bsky.social Fmr. NSC Director, Intelligence. Director, Threat Disruption @ Meta. Rescue Dog Pilot, Flight Instructor, Former Big Hair Practitioner 🏳️🌈
Ray Serrato @raymserrato.bsky.social Interested in platform abuse and influence operations. Anti-Automation @LinkedIn. Prev: T&S Analytics @Etsy, Threat Disruption @Twitter, Investigator @UNHumanRights. Veteran @USNavy.
.
Nate Beach-Westmoreland @natebeachw.bsky.social Cyber threat analyst focused on state-aligned adversaries. Opinions are my own, not my employer's. #threatintel #infosec #osint
AJ Vicens @ajvicens.bsky.social Cybersecurity correspondent at Reuters; former Mother Jones, CyberScoop. Will bore you with skateboarding, UFO lore or Denver Broncos minutiae on request. Signal: ajvicens.57, additional contact methods: https://tinyurl.com/47jc45h7
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
Ciaran Martin @ciaranm.bsky.social Cyber War. Huh. What is it good for?
Joe Uchill @joeuchill.bsky.social Potential game show contestant.
Former Axios, The Hill, Passcode. Founder of the Codebook cybersecurity newsletter. Once got lost in a Starbucks.
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
joe bodnar @joeabodnar.bsky.social I track state-backed info ops at @isdglobal.bsky.social. Cited by the New York Times, Economist, Washington Post, CNN and others. Opinions mine and open to change
Jacob Ware @jacobware.bsky.social Studying terrorism and extremism. Opinions are my own and RT ≠ endorsement.
https://bookshop.org/p/books/god-guns-and-sedition-far-right-terrorism-in-america/20097522?ean=9780231211222&next=t
Christian Vasquez @chrismvasq.com hi chat, im a US-based freelance journalist covering tech and cyberspace // focus = h4x0rz + infrastructure + policy // priors:
cyberscoop, e&e news, politico
signal: chrismvasq.42
https://tips.hushline.app/to/chrismvasq
gab 🇺🇦🇵🇸 @gabagool.ing fka @gabbyroncone on twitter. mission tech lead for RU & Eastern European APT ops @Google. views expressed here are mine, not my employer’s. she/her.
Audra Streetman @audrastreetman.bsky.social Threat Intel @ Target
Jeremy @c2.lu 🇨🇦
Recovering cybercrime "expert"; Mandiant, now Google
"Be ruthless with systems, be kind with people"
-Michael Brooks
Brian Kime @rhymeswithtime.bsky.social 
Ryan Tomcik @heferyzan.bsky.social DE/TH @GoogleCloud @Mandiant Managed Defense
Chris Sistrunk @chrissistrunk.bsky.social Husband, Dad, ⚡EE⚡, OT Security,
OT Practice Leader @Mandiant.com,
Ex-Entergy 💡, BEER-ISAC #002, LaTech Alum
#BBQ, Bourbon, Mississippi Sippers 🥃🦟, weirdo, klugemeister, #sockstatus, #dadjokes #DJaaS #NAPCON Keynote
📍 Mississippi, y'all
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.
Perri Adams @perrib.us Fmr DARPA Program Manager | Fmrly Organizing DEF CON CTF with Nautilus | RPISEC Alumna | Personal account, opinions my own, RT ≠ endorsement
Supriya @supriyam.bsky.social Now Google Threat Intelligence & doing fun things at DistrictCon, fmrly GreyNoiseIO and RecordedFuture, SAISHopkins MASCI alumna | ♡s & rts are my own, my employer definitely doesn’t like Taylor Swift that much
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
Katya Sedova @lumkatrusya.bsky.social foreign policy & natsec freak| cyber, disinfo, AI geek| Ukraine explainer|Russia watcher| sailing dabbler| forever a dance fiend. 🇺🇸🇺🇦. All posts in personal capacity.
1steve 1stone @stonepwn3000.bsky.social TV/VCR Repair, Bad Guys & Breaches, big Jim Harrison poetry fan 
Ryan J. Gallagher @ryanjgallag.com Applied scientist trying to make the internet a little better. PhD. Trust & safety, networks, fingerstyle guitar. I use my hair to express myself. They/he
Alperovitch Institute @alperovitch.institute The Alperovitch Institute for Cybersecurity Studies at Johns Hopkins SAIS.
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
Jack Stubbs @dzhek.bsky.social VP of Intelligence @ Graphika. Previously: Russia, Ukraine, cyber for Reuters. 
@sashala.bsky.social @sashala.bsky.social 
SLEUTHCON @sleuthcon.bsky.social Tickets for 2026 are now available!
https://www.sleuthcon.com
sina @rejectionking.bsky.social Bonsai Wolf. Tiny and Mighty™️. Adorkable chihuahua. Tradecraft analyst focused on cloudsec. Dogged and rigorous. Bit of a weirdo. Exhausted historian focusing on extremism. he/they Email: theloopcast@gmail.com
Active Measures, LLC @activemeasures.bsky.social Active Measures, LLC is a full service research and writing firm. For details see activemeasuresllc dot com or reach out to walkin [at] activemeasuresllc [dot] com.
Suzanne Smalley @suzannesmalley.bsky.social Reporter covering digital privacy and cybersecurity policy for The Record. Mom. Pub trivia queen. Crossword enthusiast. Literary fiction connoisseur. Idiosyncratic. Signal: Suzanne.236 Email: suzanne.smalley@therecord.media.
Austin Larsen @handle.invalid Principal Threat Analyst - Google Threat Intelligence Group- P @paulderson.bsky.social @paulderson.bsky.social
Dr. Nicole Matejic @nicolematejic.bsky.social Author, PRVE Pracademic & NatSec Behavioural Economist.
Radicalisation, Violent Extremism, Info Disorder, IO, AI, Cyber Crime, FICINT.
Adj Lecturer @Terrorism_AU
Views mine. Fan of acronyms.
🖖🐾🦻| 🦘& 🇳🇿
Andrew [Retired from Sad] @athomaskaye.bsky.social You guys want a drink or something. I think I have diet coke and lemonade and maybe some coffee from this morning.
He/him.
Will T @bushidotoken.net 🇬🇧 | Senior Threat Intelligence Advisor at Team Cymru | Co-author SANS FOR589 | Co-founder Curated Intel
Dustin Volz @dustinvolz.bsky.social Washington correspondent for The New York Times focused on cyber conflict, digital espionage and intelligence. Prior stops at WSJ, Reuters, National Journal. https://www.nytimes.com/by/dustin-volz
Kate Starbird @katestarbird.bsky.social Researcher of online rumors & disinformation. Former basketball player. Prof at University of Washington, HCDE. Co-founder of the UW Center for an Informed Public. Personal account: Views may not reflect those of my employer.
Martin Wendiggensen @machinavelli.com PhD candidate @ JHU Alperovitch Institute ; AI Research Scientist @ Dreadnode
Elly Rostoum @ellyrostoum.bsky.social Linguist | Writer | Professor 📚 All things #China #AI #NatSec #SupplyChains | Taking down bullies since 2000,"now & in the future." #ردّي_الزمر_لمّو🔥 |⚽️🏀🎾
👩🏻🏫: www.EllyRostoum.com | www.BullDragon.org
☕: http://buymeacoffee.com/ellyrostoum
Ben Decker @btdecker.bsky.social former startup guy
Jason Kikta @kikta.net // Somehow a CTO/CISO
// JHU SAIS @alperovitch.institute adjunct
// @istorg.bsky.social adjunct sr tech advisor
// Former CNMF
// Retired US Marine Corps
// Personal views and invective
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.
Aaron Rodericks @aaron.bsky.team Canadian wanderer in Ireland. Trying to make the internet a better place. Bluesky Head of Trust and Safety.
File a report in the app or via moderation@blueskyweb.xyz - not via mentions/replies.
https://aaronrodericks.com
Will Nuland @willnoodles.bsky.social Trust Investigations & Intel; Dad; Rehabilitating grump; Tech company badge collector. Currently Director @ LinkedIn; Former Twitter, FB, Dell SWRX, VRSN. Here for the cyber 
Kevin Collier @kevincollier.bsky.social I cover digital threats for NBC News. Tip me! @kevincollier.01 on signal, kevin.collier@nbcuni.com. NYC, from West Virginia.
Donie O’Sullivan @donie.bsky.social CNN Senior Correspondent
www.instagram.com/doniecnn/
Adam Rawnsley @arawnsley.bsky.social Dog shepherd.
Olga Belogolova 🌻 @olgs7.bsky.social Director, Emerging Tech Initiative at SAIS; Professor at the Alperovitch Institute on disinformation/influence ops. SAIS & BU alum. Former IO Policy Lead at Meta, former journalist at Atlantic Media.
Danny Moore @moore.bsky.social Cyber-warfare | PhD from KCL | Author of 'Offensive Cyber Operations' | Security @ Meta 
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.
Chris Krebs @thekrebscycle.bsky.social Aka @c_c_krebs over there 
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
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
Matthew Kenney @baykenney.bsky.social Founder - Algorithmic Research Group. Previously: Senior ML Engineer at Apple, Asst. Research Prof at Duke University, Duke Data Science | PSU '15 | Cornell '11
Thomas Rid @ridt.bsky.social @ridt on X
Melissa K. Griffith @melissakgriffith.bsky.social Faculty at Johns Hopkins SAIS & the Alperovitch Institute | former Wilson Center; Stanford CISAC | PhD from UC Berkeley | cyber and national security; semis; 5G; AI | usual disclaimers apply
Coordinates: melissakgriffith.com