Awesome Security accounts on Mastodon.
Security
Keith Hoodlet
@[email protected]
Director of Security Research (Off-by-1 Labs) @ 1Password; OSCP; OSWA; Vulnerability Whisperer; AI Bias connoisseur; Blogger; Occasional podcast personality; Married to one of the best fantasy writers out there (Sarah J. Hoodlet)
wall-e
@[email protected]🤖🌱, professional cyber. (he/him)
"Everything is a conspiracy theory when you don't know how anything works."
Cisco Caceres
@[email protected]45 years of writing software, from Altair front panels to speech recognition. Battleship sailor, MSNBC engineer, serial CTO, founder.
I write the RoamingPigs Field Manual: independent technical essays on what actually holds up in production, as opposed to what the vendor claimed. No sponsors, no paywall.
Here to argue with people who know more than I do.
David Penfold
@[email protected]
Too old to rock and roll, too young to die. Vegan and anarchism curious.
Likes permaculture, infosec, Tranmere Rovers, and whatever my current enthusiasm is.
Officially not right in the noggin #ʘ‿ʘ
Lesley Carhart
@[email protected]
I am eminently qualified to speak from experience about a variety of dumpster fires.
ICS cybersecurity person, @pancakescon organizer, martial artist, marksman, humanist, level 14 Neutral Good rogue, USAF retired. Speaker available for gigs.
Gin connoisseur. Rodent parent. Some dipshit from Chicago. Now an immigrant in Melbourne.
I post *very serious* things about infosec. Thoughts are entirely my own.
'they/them' 🏳️🌈

Bettina Hartmann
@[email protected]Holding expansive space for multidisciplinary, deep-dive explorations to solve wicked problems. B.Eng., MSc., meditator, project manager, process facilitator.
#Climate #Meditation #dkpol #SDG #IDG #Leadership #Change #DanmarkSkifter #Being #Thinking #Relating #Collaborating #Acting #InnerDevelopmentGoals #Spaceholder #InformationSecurity #Democracy #RuleOfLaw #Retssikkerhed #Demokrati #RiskManagement #WickedProblems #OpenSource #Linux #Murena #Fantasy #SciFi #JaneAusten #Copenhagen #dkmastodon
RoamingPigs
@[email protected]Independent technical essays that take the contrarian read: what the vendor claims versus what actually holds up in production.
AI, security, fintech, startup advisory, and the history of the industry. Written for engineers and founders who want the version without the marketing.
170+ essays, each sourced and fact-checked. No sponsors, no paywall. Editorially independent of its editor's companies.
Erioldoesdesign
@[email protected]Privacy, Security and Human-rights centred designer for OSS
https://erioldoesdesign.github.io/
https://lockdown.systems collective member
Open Source Design wrangler/maintainer @opensrcdesign
They/them 🏳️🌈 🌻
(toots = my 🧠)
D&D Nerd 🎲
Patrick C Miller
@[email protected]
Critical Infrastructure & Industrial Security Advisor. Recovering regulator. Airport dweller. @ampyxcyber President and CEO.
Thomas Fricke (he/his)
@[email protected]hexa-
@[email protected]❄️ NixOS 🤩 (Security, Infra, Python and Release-Manager 22.11/23.05)
Day: Network & Infrastructure.
Night: FOSS, Home Automation
Matthew Garrett
@[email protected]Former biologist. Actual PhD in genetics. Security, OS security teaching at https://www.ischool.berkeley.edu. Blog: https://codon.org.uk/~mjg59/blog . He/him. Opinions do not reflect those of my employer.
Troy Hunt
@[email protected]Founder & CEO of @haveibeenpwned, the most trusted name in data breach intelligence. Speaker, blogger, Microsoft Regional Director. Gold Coast, Australia.
Elbsides
@[email protected]Hamburg‘s Computer Security Conference - coming to the Elbe on June 5th, 2026.
We are part of the worldwide BSides community and want to organize an event by the community, through the community, for the community!
We try to create an inclusive and safe space for talks and workshops all around security and welcome all gender at our conference.
Kuketz-Blog 🛡
@[email protected]Kuketz-Blog: Gegen Überwachungskapitalismus ✊
Datenschutz, IT-Sicherheit und digitale Selbstbestimmung – kritisch, unabhängig und spendenfinanziert.
#Sicherheit | #Datenschutz | #Hacking | #Security | #Privacy | #Infosec | #DSGVO | #Netzpolitik | #Karlsruhe
Hier schreibt die Redaktion des Kuketz-Blogs:
/kuk @kuketz
/meb @rufposten
/lax @lacrosse
Hilfe & Support: https://www.kuketz-forum.de/
Impressum: https://www.kuketz-blog.de/impressum/
Toots werden nach 2 Jahren gelöscht ✅
Graham Cluley
@[email protected]Computer #security chap. Public speaker, blogger, #DoctorWho fan since 1972. Author of Jacaranda Jim and Humbug games. Host of the @smashingsecurity #podcast. Needs haircut.
#cybersecurity #infosec #ai #SmashingSecurity
He/Him/His
OWASP Foundation
@[email protected]We improve the security of apps with community-led open source projects, 260 local chapters, and tens of thousands of members worldwide
Kev Quirk
@[email protected]Used to help run Fosstodon. These days, I just hang out here.
I work in InfoSec and live with two kids, one wife, two dogs, a blind cat, a flock of 25 chickens, 8 goats, and more fish than I can count.
Also into watches and motorbikes — both riding and wrenching.
I also run @purecommons.
Dominik Zyla
@[email protected]Former Software Engineer/SRE at VMware. Currently at Cloudflare. Mainly focused on Go, Kubernetes, Temporal, distributed systems and software supply chain security. Amateur photographer.
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
dotdotslash_bot
@[email protected]A bot that posts new directory traversal CVEs. Fame may be temporary but #directoryTraversalMemes are forever!
Posts are unlisted to avoid public timeline spamming.
I'll gladly take proposals for new templates.
Very much WIP right now