Adult interested in

Housing policy
Software Development
Infosec
Homelabs
Cats
Mead

he/his
Director of Information Security at 4DMedical.
I work primarily in #infosec, #IT, and #SaaS infrastructure.
ex #USDS (fired by #DOGE)
Dad, old-school hacker, Righteous Indignation Man. Opinions are my own. Follow my blog at @jikblog.
#COVID #CovidIsNotOver #USPol #MAPol #BosPoli #Boston #MA #politics #linux #FOSS #OpenSource #ConsumerActivism #privacy #programmer #hacker #fedi22 #resist https://justmytoots.com/@jik@federate.social

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.

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.

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

Security Adviser. Architect. Technical Auditor. Speaker. Author.


I specialise in organisational and operational security. I help people do better. 

Donor: Infosec.exchange
General nuisance: IFIN 

#Infosec #ADHD #Privacy #MediaPreservation

GNU Terry Pratchett

A lifelong technologist, lived every major digital and technology transformation. Freelancer refining AI and LLM models. Golf fanatic. Boise State Alum. Ex-Pat Canuk. #AI #LLMs #Cloud #Software #DevOps #ProductMarketing #Golf #BoiseState #BleedBlue #Marketing #CyberSecurity #Canuk #Quantum #QuantumComputing #NASA #Space #Crypto

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.

counselor & recovering #sysadmin

20yrs Sec #CCC, Geraffel native, c-base, AG KRITIS, CSCB, #AGND #hacking, #Ethik, #KRITIS, OT & IT-Security, working at HiSolutions, http://Threema.id/X9H873XJ

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

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

Security by Design

24y/o | Mango-Loco addicted | 🏳️‍🌈 L[G]BTQIA+

@hwaa | @computertruhe @aalen

Next Event: FAT26 (unter Vorbehalt)

Language:
🇩🇪 | 🇬🇧 | 🇯🇵 (In learning)

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99% meines Accounts sind Ironie -eher Sarkasmus/Satire - , deiner relevanten Zielgruppe Werbe-ungeeignet und nicht Babyfreundlich.

#NoBot

Information security, open source and all things outdoors 🇪🇺

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.

Goblin digital hedge witch, chaotic good alignment. Subgenius & drive-by oracle. Resident of Uranus. Hoping to one day master the antagonistic undecagonstring.

Ex- #SFBayArea #DevOps burnout
Personal digital sovereignty fanatic, #infosec dabbler, tinkerer of things. W0HNO

#InvisibleDisability #QueersOfMastodon

(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

Developer, DevOps Engineer and ethical hacker. CEH, CASE Java, CCSE, CPSA Foundation Level.
Loves to cook and eat and tinker around. Likes manga, anime, taichiquan and computer science stuff.
He/him
#infosec #devops #proasyl #climatejustice #nonazis #lgbtqAlly

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

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.

IT and cybersecurity specialist | Digital and disability rights | 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 🇧🇷