Interdisciplinary hacker. I like to talk about security, privacy, books, words, and the Internet.

DEFCON 29 WSIIA Winner. GCIA, GCIH, GSEC, & Certified Beer Server. My tweets are my own.

professional strings(1) operator

rust reverse engineering training -> @decoderloop

personal account, personal views
🏳️‍🌈😎

Amateur professional #selfhost sysadmin. Professional amateur #cloud #security at #AWS. Also fond of #cats, #cigars, #whiskey and #pipes. I like board games and some video games. I am #covid cautious and I still #wearamask. Opinions are my own, but they can be yours too. 100% Organic:,No artificial colors, preservatives, or intelligence added.

Co-Founder @lutrasecurity

Mitglied Bezirksausschuss 11, Milbertshofen - Am Hart

#infosec #opensource #politics and lots of other stuff

Independent professional supporting public and public-private collaboration. Drawn to initiatives that strengthen (digital) sustainability, autonomy and security. Proponent of open standards and free and open source software.

Currently with @internet_nl, promoting #IPv6, #DNSSEC, #HTTPS, #securitytxt, #DMARC, #DKIM, #SPF, #STARTTLS, #DANE, and #RPKI adoption.

Perfectly happy on mastodon.social, except for one thing: https://mastodon.social/@rickvanrooijen/116013230833226667.

IT & Security Analyst | OSINT Enthusiast | Curating insights at http://OSINTSights.com | Analyst207

IT and cybersecurity specialist | Formerly an English teacher in Mexico | Guitarist | New Englander

Other interests include philosophy, literature, film & TV, linguistics & foreign languages, and continuing education.

Hablo español 🇪🇸🇲🇽
E estou aprendendo português também 🇧🇷
Und ich spreche ein bisschen 🤏 Deutsch 🇩🇪

Award-winning #podcaster (@thebugcast @tuxjam @teghpodcast), #amateurradio #hamradio (@m7tlb), #3dprinting, #christian, #musician, #coffee snob, reader, #Android and #Linux advocate.

#infosec #appsec #devsecops

Devoted husband and father.

Things I do: landscape, storm and protest photography; paragliding, climbing, adventure sports; border and human rights activism.

Intellectual hobbies: science, nature, security/privacy, sociology of the web. Learning Spanish.

My fine art prints are available on my website.

Welcome newcomers. You'll like it here, but give it some time.

Profile photo: white guy in a baseball cap with an iguana on my shoulder. Banner: "Aneurysm for President 2026" in patriotic red, white and blue.

#NoBots

(He/Him)

Network System Administrator | Sec+ | I help companies ensure the confidentiality, integrity, and availability of their data. Solving problems since 2009.

I have a profound fascination with technology, encompassing its practical applications and ethical considerations. This intrigue is complemented by a passion for exploration and a strong sense of responsibility towards both the environment and society at large.

My interests include in alphabetical order but not neccessarily passion,

#Computers, #CulturalExploration, #Cybersecurity, #DroneFlying, #Emacs, #HamRadio #Geocaching, #GlobalTravel, #Hiking, #Linux, #Lisp, #NetworkAdmin, #Photography, #Privacy, #ScienceFiction, #Stargazing, #SustainableLiving, #Sysadmin, #TechnologyEthics

Originally joined mastodon.social September 2018

Herbivore, bass player, computer programmer, Linux admin, IT security guy, game master, storyteller, mad scientist and indoor survival artist (of doom).

Deutsch & English

Die Stabsstelle Digital Office inkl. Informationssicherheit #infosec begleitet das KIT bei der #Digitalisierung und berät und unterstützt die Leitungsebene. Hier posten wir News zu aktuellen Entwicklungen und Projekten.

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 #Solutions #Kindness #Being #Thinking #Relating #Collaborating #Acting #InnerDevelopmentGoals #Spaceholder #InformationSecurity #Democracy #RuleOfLaw #Retssikkerhed #Demokrati #RiskManagement #WickedProblems #AmateurPhotography #Fantasy #SciFi #JaneAusten #Copenhagen #dkmastodon

🏳️‍🌈🏳️‍⚧️

Moving from: @metropetrol

Art account: @metropetrol

#Wordle #technology #Android #Linux #KDE #FOSS #infosec #p2p #art #science #astronomy

Hi I'm Charl. Head of Security Research at Orange Cyberdefense. No longer on Twitter. Opinions my 'own'.
https://youtu.be/ifKKGtFoB9k

Security, privacy and decentralization enthusiast from a certain country. FOSSHW proponent.

100% artisanal, human-made bytes.

Anti-DEI is white supremacy. Black lives matter. LGBT+ rights are human rights. Healthcare, security, a decent income, and housing with dignity are human rights. Abortion is healthcare. Science is our best hope as a species. Kindness and empathy are the noblest of human traits.

No alt-text/slop alt-text = no repost.

He/him.

#npfp

pfp: A fluffy dog in a Panama hat (credit heyheymomo)

banner: Gatsby the Pomeranian

Pre-transition trans girl interested in cybersecurity, content filtering, and law. Assistant maintainer of the Actually Legitimate URL Shortener. Trekkie.
Not legal/medical advice.

Profile picture: truncated screenshot of a WINE error message. The error message is titled "Download failed". The message reads "Download Failed: Success. Check your connection and click 'Retry' to try downloading the files again, or click 'Next' to continue installing anyway." There is only one button labeled "OK".

Header image: A Windows error message against the default Windows wallpaper. The error message reads "Windows cannot find iam-py-test. Make sure you typed the name correctly, and then try again."

Alts: @iam_py_test @ipt @iampytest

Semi-professional feral cat socializer, struggling stoic, and retired Alum of Big Tech. Still enjoying tech just for the fun of it. Things that fascinate me: #cats, #coffee, computer #networking, #security, #privacy #FOSS & Scottish single malt #whisky (not necessarily in that order). Concerned about: The collapse of democracy worldwide and #enshitification run amok. Living #Blue in a deeply #Red state.

Proud #cat dad to three moggies:

Born at 320ppm CO2.

SW craftsperson & technology enthusiast, emphasis on security #SpielerischeSicherheit.

Co-organiser of Open Security Conference @OSCo

Private here. Working in the intersection of #informationSecurity, #ITSecurity, #OTSecurity, #SecureDevelopment, #ProductSecurity with a dose of #CriticalInfrastructure mixed in.

also at https://bookwyrm.social/user/realn2s

(working for @SMAsolar)
Opinions are my own, not my employer’s
#BLM #nonazis #NoAfD #IamAntifa
#TranRightsAreHumanRights

No #AltText no boost

Born at 375 ppm / Works with @greenpeace_de
/ Member of city council / Kompliz:in political beauty / Solarpunk / Views are my own

#Boizenburg #MeckVorp #MV #IT #Infosec #Autokorrektur