Incident Responder at MDR, passionate about geopolitics and space exploration
@ninajankowicz.com
☀️ CEO, @americansunlight.org 🙅🏻♀️ Author, disinformation expert, advocate for targets of online abuse. 😆 Tucker Carlson once called me a “highly self confident young woman” and meant it as an insult
@matthewdgreen.bsky.social
I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
@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
@moore.bsky.social
Cyber-warfare | PhD from KCL | Author of 'Offensive Cyber Operations' | Security @ Meta
@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.
@kikta.net
// Somehow a CISO // JHU SAIS @alperovitch.institute adjunct // @istorg.bsky.social adjunct sr tech advisor // Former USCYBERCOM/CNMF // Retired US Marine Corps // Personal views and invective
@mattburgess1.bsky.social
Security writer @wired.com Cybercrime, privacy, surveillance, and more. Signal: mattburgess.20 | Email: matt_burgess@wired.com
@zackwhittaker.com
Security editor, TechCrunch Signal: zackwhittaker.1337 mastodon.social/@zackwhittaker this.weekinsecurity.com
@jags.bsky.social
Executive Director for Intelligence and Security Research @ SentinelOne. Distinguished Fellow and Adj Professor @ Hopkins SAIS Alperovitch Institute. Three Buddy Problem Co-Host. LABScon Founder, Cyber Paleontologist, Fourth-Party Collector.
@runasand.bsky.social
Founder of Granitt, securing journalists and at-risk people around the world.
@jsrailton.bsky.social
Chasing digital badness. Senior Researcher at Citizen Lab, but words here are mine.
@dagrano.bsky.social
Fmr. NSC Director, Intelligence. Director, Threat Disruption @ Meta. Rescue Dog Pilot, Flight Instructor, Former Big Hair Practitioner 🏳️🌈
@zoracon.bsky.social
PIT crew @eff.bsky.social. My words yada yada. Not my job's words. Etc. Coffee ☕, crochet 🧶, cryptography 🔐, and being Black in my Black ass business. Hands rated E. For Everybody.
@andrewmorr.is
🔳 founder of @greynoise.io. computers, networks, technology enthusiast. big goober.
@geoffbelknap.bsky.social
Professional Security Person | NatSec, Cyber, and InfoSec Tweets | WILL NOT ATTEND YOUR WEBINAR | “Slow, awkward, but authentic.” | Native Buffalonian | He / Him | https://geoffbelknap.substack.com | Book a 1:1 - https://intro.co/geoffbelknap
@sarahemclaugh.bsky.social
Global Expression, FIRE. Book: Authoritarians in the Academy, @hopkinspress.bsky.social (August 2025). https://www.press.jhu.edu/books/title/53835/authoritarians-academy Signal: sarahemclaugh.01. Go birds.
@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
@sarahyo.com
Principal Security Advocate @ Microsoft | Co-host of @azsecpod.bsky.social | Dogs, food and cyber security posts | Opinions mine, not my employer's | 🇬🇧 living in 🇦🇺 | Sarahyoung.io
@riana.bsky.social
Tech policy researcher at Stanford. Former litigator. Dum spiro spero. Anger is an energy. she/her
@mjgault.bsky.social
Nukes, weird tech, and conflict at @404media.co Host of angryplanetpod.com Tips: matthew@404media.co // signal: 347 762-9212
@morganadamski.bsky.social
EXDIR of U.S. CYBERCOM. Cyber Huntress, #1 Fan of CCC, Life goals include the ocean…
@netblocks.org
The Internet's Observatory: Tracking cybersecurity and digital governance • connectivity and democracy • tools and policy for change • https://netblocks.org
@satn.am
👨🏽💻 Sr. Staff Research Engineer @ Tenable 🔐 Advisor/Investor @ Tall Poppy 👻 Investor @ Ghost Town Oats 📖 Poet, author of “Tangerine” (202X?) 🎙️ Rapper on hiatus. "Heart of a Lion" (2012) ☕️ Amateur barista and latte lover
@sjhilt.hilt.zip
Threat Researcher @TrendMicro, waffle maker, and dad. My statements and opinions are my own and do not reflect my company.
@kevinrothrock.me
Russia watcher supreme. @meduza.io English-language managing editor. Based in Portland, Oregon. Signal: @KevinRothrock.01 / Find all my junk here: https://linktr.ee/kevinrothrock
@christopherjm.ft.com
Chief Ukraine correspondent for the Financial Times. 15 years in Ukraine. https://www.ft.com/christopher-miller Author of the book, THE WAR CAME TO US, published by Bloomsbury: https://www.amazon.com/dp/139940685X
@hackinglz.hackpwn.net
CTO @TrustedSec.com | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
@noupside.bsky.social
✍🏼Studies influence, propaganda, adversarial abuse @Georgetown. Writes @Lawfare, The Atlantic. 📖 Invisible Rulers: The People Who Turn Lies Into Reality — on influencers, online crowds, &bespoke realities (invisiblerulers.com) 🦹🏻♀️ Twitter Files supervillain
@shanehuntley.bsky.social
Aussie security / tech guy. Google Threat Intelligence. Co-founder Threat Analysis Group (TAG). Tweets are my own not my employers.
@willc.io
Director of Software Security Services. Lefty of Asheville. Music @ https://shadowpersonmusic.com Writing @ https://www.willchatham.com
@rosejackson.bsky.social
Lead DFRLab Democracy + Tech Initiative at the Atlantic Council. Failed startup founder, snarky policymaker, former frontline civilian…always Hoosier.
@fittarelli.com
Sr. Researcher @citizenlab.ca, Disinformation & Harassment. Fmr. Meta. Trainer: find & expose covert influence. I like doers.
@alenapopova.bsky.social
Founder at Cyber Guardians for Democracy | Cyber threats & Geopolitics
@noura.bsky.social
Senior Researcher @Citizenlab.ca , UofT Exploring the dark dimensions of digital power: authoritarianism, transnational repression & disinformation.
@botnet.club
VP of Trust & Safety at Cloudflare. I run: https://canhazip.com, https://nslarchive.org, and https://rainbowtabl.es he/his/him PGP: http://flowcrypt.com/me/justin
@jeffasher.bsky.social
Co-Founder AH Datalytics. NOLA kid. Longhorn. Former CIA officer. 2004 Intramural Softball Champion (C-League). Not a criminologist! Newsletter: https://jasher.substack.com/ Jasher@ahdatalytics.com "Some genius, Jeff Asher" - Ann Coulter
@suryamattu.com
Sr. Engineer for Data Journalism & Investigations @bloomberg.com Previously: @princetoncitp.bsky.social @umwallacehouse.bsky.social 21-22 Fellow @themarkup.org @propublica.org
@kimzetter.bsky.social
Journalist - cyber/natn'l security. Speaker. Author - COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon Signal: KimZ.42 https://www.amazon.com/Countdown-Zero-Day-Stuxnet-Digital/dp/0770436196 https://www.zetter-zeroday.com
@catc0n.bsky.social
Takes a lot of photos, calls many places home. Vulnerability research director @Rapid7.
@campuscodi.risky.biz
☆ Cybersecurity reporter ★ Newsletters at Risky Business #infosec #cybersecurity https://risky.biz
@racheltobac.bsky.social
Hacker & CEO @SocialProofSec security awareness/social engineering training, videos, talks | 3X @DEFCON🥈 | Chair @WISPorg | @CISAgov Technical Advisory Council under Director Jen Easterly
@threathuntergirl.bsky.social
Friendly Neighborhood CTI Analyst | Children’s Book Author | Lego builder | Gamer | She/Her