1471 awesome Security accounts on Mastodon that posted recently.

Graham Cluley
@[email protected]Computer #security chap. Public speaker, blogger, #DoctorWho fan since 1972. Author of Jacaranda Jim and Humbug games. Co-host of "The AI FIx" and @smashingsecurity #podcast. Needs haircut.
#cybersecurity #infosec #SmashingSecurity
He/Him/His
NetBlocks
@[email protected]The Internet's Observatory: Tracking cybersecurity and digital governance • connectivity and democracy • tools and policy for change • [email protected]
Jeff Moss
@[email protected]Founder of DEF CON & Black Hat. Member of the UK Gov Cybersecurity Advisory Board & The Council on Foreign Relations.
Working to get Hackers and Researchers a seat at the Policy table.
I'm interested in hacking, community, technology, privacy, security policy, and the intersection of civil society. (He/Him) Opinions are my own.
Previously member ONCD (2024-2025), CISA Cyber Security Advisory Council (2021-2025), and DHS Advisory Council (2009-2020)
Manuel 'HonkHase' Atug
@[email protected]20yrs Sec #CCC, Geraffel native, c-base, AG KRITIS, CSCB, #AGND #hacking, #Ethik, #KRITIS, OT & IT-Security, working at HiSolutions, http://Threema.id/X9H873XJ
Tarah Wheeler 🖖♦️
@[email protected]♦️ CEO of Red Queen Dynamics♦️EFF Board Of Directors♦️US/UK Fulbright Scholar in Cyber Security♦️Senior Fellow, Global Cyber Policy at the Council on Foreign Relations. ♦️ Formerly Harvard, Brookings, Splunk, Symantec. ♦️she/her curmudgienne♦️standard disclaimer regarding personal opinions.♦️Searchable. t AT tarah DOT org
Viss
@[email protected]D̒͂̕ᵈăᵃn̕ᶰ Ť̾̾̓͐͒͠ᵗe͗̑́̋̂́͡ᵉn̅ᶰtᵗl̀̓͘ᶫe̓̒̂̚ᵉrʳ
:: Founder, Phobos Group
:: Quad Flooper :: Scoville Addict
:: Public Speaker :: food pornographer
:: Twitter Alum (2011-2012)
:: security longhair :: tattoo'ed nerd
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'>"></div><blink><marquee>visit hax.lol for a good time
#startups #security #infosec #redteam #publicspeaking #asm #attacksurfacemanagement #orbital #fundraising #saas
#drones #quads #hotsauce #spices #homeassistant #homeautomation #cartoons #animation
Techlore
@[email protected]Techlore empowers individuals with practical digital privacy knowledge, security tools, and advocacy resources. Discover how to protect your online data and regain control of your digital identity.
Kevin Rothrock
@[email protected]hyper-professional #Russia guy, managing editor of @meduza_en, ugly American based in Portland, Oregon (USA). Signal: @KevinRothrock.01
HD Moore
@[email protected]Founder & CEO of runZero (@runZeroInc - https://runzero.com), previously the founder and lead developer of Metasploit, a CSO, a consultant, and the head of various security research teams.
My work is focused on #infosec, #security, #networking, #discovery, #osint, #postgresql, #aws, #engineering, #opensource, #devops, and #startup stuff. For fun I write #golang, build #IoT projects, and #run in circles.
SANS Internet Storm Center - SANS.edu - Go Sentinels!
@[email protected]http://isc.sans.edu - Global Network Security Information Sharing Community - honeypots, firewall logs, malware. SANS Technology Institute college research project
Security Writer
@[email protected]Multi award-winning Security Advisor. Technical Auditor. Speaker. Author.
I specialise in organisational and operational security. I help people do better.
Currently clean on OpSec.
Donor: Infosec.exchange
#Infosec #Philosophy #ADHD #Privacy #MediaPreservation
GNU Terry Pratchett
Frederic Jacobs
@[email protected]Cryptographic & Security Engineering
Previously: Founding & Lead iOS Engineer @signalapp
Tooting on all things #cryptography, European federalism, #security, #climate, European #aerospace, #energy and #mobility
Delta Chat
@[email protected]Secure decentralized messaging for all major platforms and then some. Reliable and instant by using fast and secure Chatmail servers, but also compatible with classic e-mail providers. Offering chat-shared web apps for fun and collaboration, end-to-end encrypted and without any server side hosting. Security-Audited multiple times, last in 2024. #chatmail #FOSS #OpenPGP #deltachat #fedi22 #webxdc #p2p
Taggart
@[email protected]
Displaced Philly boy. Threat hunter. Streamer. Educator. #infosec, #programming #rust , #python
#haskell
, and #javascript
. #opensource advocate. Runs @thetaggartinstitute. Made https://wtfbins.wtf. Co-creator of https://github.com/mttaggart/OffensiveNotion. Not your bro. All opinions my own. Dad. #fedi22 #searchable
Pronouns: He/him.
M.Ed | Sec+ | CISSP | eCTHPv2 | eWPT | CRTO
Tanya Janca | SheHacksPurple
@[email protected]
Author of Alice and Bob Learn Secure Coding AND Alice and Bob Learn Application Security!
She/her/lady/woman. shehackspurple.ca
DevRel at #Semgrep
Secure Coding Training and Public Speaking Inquiries & other:
Tanya (at) shehackspurple (dot) ca
alissa
@[email protected]be good, don't die
#Wardriving | Hacking | Shenanigans
John Hammond
@[email protected]Hacker. Friends. Cybersecurity Researcher.
spaf
@[email protected]Spaf is a homunculus of possible extraterrestrial origin, tilting at windmills. Cybersecurity, bad jokes, political outrage, academe, non-sequiturs, entropy. See http://about.me/spaf for more.
Free Teks for sale, cheap
@[email protected]Politics ∪ tech ∪ security ∪ privacy ∪ O_o
One-time EFF Tech Trivia champion.
Sysop of Free Radical.
I blog about this at https://blog.freeradical.zone/.
I’ve got your back.
Very approachable. Bring treats.
Lukasz Olejnik
@[email protected]Security & Privacy. Data protection. Research. Engineering. Strategy, communication. Analyst. Technology Policy. W3C standardisation. PhD (CS/privacy), LL.M (Information Technology Law).
Consultant.
Reading & writing (scientific articles, sometimes op-eds, analyses, reports, books). Seems that I like it?
email: me (at) lukaszolejnik.com.
Books: https://lukaszolejnik.com/books
Twitter: @lukOlejnik