@pentagrid.bsky.social
Pentagrid performs technically solid IT security assessments. Website: https://www.pentagrid.ch/ Mastodon: https://infosec.exchange/@pentagrid Imprint: https://www.pentagrid.ch/en/pages/imprint-and-contact/
@osintswitzerland.bsky.social
An association for experts, practitioners, and learners with the shared goal of developing and expanding their knowledge of open-source intelligence techniques. https://osintswitzerland.ch/
@stefanfrei.bsky.social
Cyber security expert, pentester, speaker & tech enthusiast. Tame complexity 4 security. Alum RWRI-13, @Accenture, @Swisscom, @Secunia, NSS Labs, ISS X-Force https://techzoom.net
@1ns0mn1h4ck.bsky.social
Security conference and hacking contest founded and organized by @orangecyberch since 2008 in Lausanne, Switzerland.
@webappsec.dev
Leading Google's web security team. Passionate about web security and making secure-by-default web development the norm. Contributed to web platfom security features like CSP, Fetch Metadata, COOP and Trusted Types.
@miki.it
💼: Staff Information Security Engineer at Google. 🛠️: Rosetta Flash, BitIodine. 💛: web security, ⟠, ₿, finance. Data is the most dangerous form of opinion.
@thorsheim.bsky.social
Founder of #PasswordsCon. Above average interested in passwords & digital authentication. Online since 2400baud. I do security & privacy. Want me to speak at your conference / org? Reach out!
@jameskettle.com
Director of Research at @portswigger.net Also known as albinowax Portfolio: https://jameskettle.com/
@swisscyberstorm.bsky.social
Cyber Security Conference #SCS25 / "Resilience in a mad, mad world" / October 28, 2025 / Bern / Cyber Talent Competition / #ECSC2025 / www.swisscyberstorm.com Early-bird tickets for Swiss Cyber Storm 2025 available until May 31: https://lnkd.in/e4qDrzjW
@syfuhs.net
Idiot of note. Principal something or other. Runs the Windows Authentication team at Microsoft. It's my fault your password doesn't work. Mostly dog pictures. Might actually be two dogs in a trench coat. 🇺🇸 / 🇨🇦
@redsiege.com
Penetration Testing, Purple Team, Red Team & Adversary Emulation. Let our Offense, Prepare your Defense. https://redsiege.com #weareoffensive
@mrgretzky.breakdev.org
Offensive security tools developer. Malware developer, hobby music producer, bedroom DJ & ex-MMO game hacker. Creator of Evilginx / Bartender @ BREAKDEV RED.
@troyhunt.com
Creator of Have I Been Pwned. Microsoft Regional Director. Pluralsight author. Online security, technology and “The Cloud”. Australian.
@drazuread.com
Principal Identity Security Researcher @Microsoft. Ex-Secureworks (PhD, MSc, MEng, CITP, CCSK). And yes, opinions are my own ;)
@danielmiessler.bsky.social
AI / Security Researcher and Entrepreneur. Founder/CEO of Unsupervised Learning. Building AI that upgrades humans.
@vxundg-ported.bsky.social
Ported vx-underground from twitter. vx-staff: if you want me to take it down, pm me i'm not using to impersonate you!
@alh4zr3d.bsky.social
Legal Criminal | Twitch cult leader | InfosecPrep founder | Lovecraft scholar | Soros mercenary | Spiritual cargo shorts wearer | Cthulhu fhtagn
@semgrep.bsky.social
Semgrep is a code scanning platform for finding first and third-party security vulnerabilities in your code base.
@dirkjanm.io
Hacker at outsidersecurity.nl. Researches Entra ID, AD and occasionally Windows security. I write open source security tools and do blogs/talks to educate others on these topics. Blog: dirkjanm.io
@tib3rius.bsky.social
Web App (mostly) Hacker @NetSPI | Cybersecurity Educator | Content Creator | Ex-Brit | Links: http://linktr.ee/tib3rius (he/him) 🇺🇸 BFF of @commandergirl
@lorenzofb.bsky.social
Real-time historian of the late cyber capitalist era @TechCrunch. Tweets about infosec, surveillance by day. 🍕, ⚽️, 🎸, 🎮 by night. ☎️ Signal: +1 917 257 1382 Past lives: VICE Motherboard, Mashable, WIRED.
@tarah.org
CEO Of Red Queen Dynamics♦️Senior Fellow for Global Cyber Policy at the Council on Foreign Relations♦️ EFF Board of Directors♦️she/her ♦️ mf’in hacker
@medus4.com
Activist, Hacker cosplayer, Artist. Data economy abolitionist. @cdc_pulpit Sinfluencer, Head of Humanity @ Veilid, designer of weird shirts at hack.xxx I love gross terrifying things. Because I am one
@thegrugq.bsky.social
@malwarejake.bsky.social
Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy, Supreme Allied Commander of ANTIFA.
@alyssam-infosec.com
Hacker, CISO, and private 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
@defcon.bsky.social
The world’s premier hacker conference. Serving the global hacker community since 1993. Defcon.org Forum.defcon.org Defcon.social
@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. 🏳️🌈
@jessysaurusrex.bsky.social
I protect people from technology, and technology from people. Focused on all things security, defense, risk, and resilience. I brake for wildflowers.
@k8em0.bsky.social
Founder & CEO LutaSecurity @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, 1/2 Greek all-American hacker
@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
@chick3nman.bsky.social
Sam Croley, Austin based password cracker & researcher; Team Hashcat Core Dev; Principal Threat Emulation & Offensive Security
@crackmeifyoucan.bsky.social
@tychotithonus.bsky.social
Just doing my undue diligence. BACKUP ACCOUNT. Main: @tychotithonus@infosec.exchange ISP vet, password cracker (Team Hashcat), security demi-boffin, YubiKey stan, public-interest technologist, AK license plate geek.
@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)
@doublepulsar.com
cybersecurity weather person. @gossithedog before Elon ruined everything
@april.social
Staff Security Engineer at some random tech company, previously Mozilla, Dropbox, and (pre-Elon) Twitter. Has read @kateconger.bsky.social’s autobiography. web @ grayduck.mn // also github.com/april
@lookitup.baby
Kubernetes SIG Security co-chair, container escape artist, aurora chaser, goose in the mainframe. Minneapolis. They/them. Stay punk 🏴 MSP feed info here: https://bsky.app/profile/lookitup.baby/post/3lapkhevr222w
@mog.evil.af
X-Force, Shenanigans, Hashcat, Church of WiFi, Black Badges, MUDs, Dad Jokes, some Infosec. Twitter: @evil_mog
@accidentalciso.net
I accidentally became the CISO. I didn't want this job, but the job chose me. I'm scared, and I want to go home. https://www.accidentalciso.net