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Michał "rysiek" Woźniak · 🇺🇦
@[email protected]

Hacker, activist, free-softie ◈ techie luddite ◈ formerly information security and infrastructure at isnic.is/ and occrp.org/ ◈ my opinions are my own etc.

(he/him)

profile image: drawing of a head and shoulders of a cat-person, in a space suit.

banner image: long-exposure photo of a large tent, brightly illuminated from inside, looking as if it is made of lava

(public toots CC By-SA 4.0 if applicable)

🇪🇺 🇵🇱 · 🇧🇦 🇮🇸 · 🇺🇦

Last posted 1 day ago
Posts 54,682
Followers ▼ 26
Following 3,913
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D̒͂̕ᵈăᵃn̕ᶰ Ť̾̾̓͐͒͠ᵗe͗̑́̋̂́͡ᵉn̅ᶰtᵗl̀̓͘ᶫe̓̒̂̚ᵉrʳ
:: Founder, Phobos Group
:: Quad Flooper :: Scoville Addict
:: Public Speaker :: food pornographer
:: Twitter Alum (2011-2012)
:: security histrionics
:: finance histrionics
:: tattoo'ed nerd
:: security longhair

part george carlin, part bill hicks, part robin williams.
I run a tiny security consulting company, make hotsauce, watch cartoons and figured out how to weaponize home assistant. I found 118 dollars of btc in my garage.

Last posted Less than a day ago
Posts 63,810
Followers ▼ 25
Following 743
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PUA Shlee booped around &
@[email protected]

Teacher, Mother, Lover. Says good morning in the evening! Join your union!

Admin of aus.social. Direct action charity founder. Cloud/Cybersecurity/Infosec engineer.

(any toots should not be used as evidence of crimes, and all confessions are jokes)

░M░Y░S░E░R░V░E░R░I░N░D░C░

Last posted 1 day ago
Posts 14,834
Followers ▼ 25
Following 2,227
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DEF CON is the world's most influential hacker conference. Held every year since 1993 in Las Vegas, Nevada, DEF CON is the hub of a global community of hackers, security geeks and curious technophiles.

Last posted 1 day ago
Posts 2,395
Followers ▼ 22
Following 719
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Qubes OS is a security-oriented operating system that allows you to compartmentalize your data and activities into isolated environments called "qubes" so that a single cyberattack can't take down your entire digital life in one fell swoop.

Last posted 1 day ago
Posts 235
Followers ▼ 22
Following 0
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Jordan Sissel
@[email protected]

“A Young Turk spared hackerdom from respectability”

I'm a hacker living in California. I take photos of arthropods, do various computer projects, and do lots of repairs on things around my house. I also like to bike and trail run :)

20+ years of open source, systems administration, software engineering, distributed systems, and infosec. You may have used software I've built -- Logstash, fpm, grok, pleaserun, xdotool.

If a user has a bad time, it’s a bug.

Last posted 1 day ago
Posts 5,495
Followers ▼ 21
Following 242
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Manuel 'HonkHase' Atug
@[email protected]

20yrs Sec , Geraffel native, c-base, AG KRITIS, CSCB, , , , OT & IT-Security, working at HiSolutions, Threema.id/X9H873XJ

Last posted 1 day ago
Posts 9,062
Followers ▼ 19
Following 675
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Privacy Guides
@[email protected]

Privacy Guides is a socially motivated website that provides information for protecting your data security and privacy.

We are a non-profit project with a mission to inform the public about the value of digital privacy, and about global government initiatives which aim to monitor your online activity. Our website is free of advertisements and not affiliated with any of the listed providers.

Last posted 5 days ago
Posts 701
Followers ▼ 19
Following 14
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Davi Ottenheimer
@[email protected]

flyingpenguin.com since 1995.
Gebrüder Ottenheimer since 1862.
History of security, security of history.

Last posted 1 day ago
Posts 561
Followers ▼ 18
Following 0
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Konstantinos Xynos
@[email protected]

PhD. Computer Security & Forensics Consultant, Educator & Researcher. Own opinions. S/W and H/W hacking.
@kxynos on Twitter and @kxynos.bsky.social on Bluesky

Last posted 2 days ago
Posts 330
Followers ▼ 18
Following 261
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Mysk🇨🇦🇩🇪
@[email protected]

We're two developers and occasional researchers on two continents. 🇨🇦🇩🇪

Last posted 4 days ago
Posts 1,140
Followers ▼ 17
Following 168
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Muntashir Akon
@[email protected]

Ph.D. student at UC Riverside. Creator of @appmanager. My interests are security, privacy, linguistics, medical science and physics.

Last posted 3 days ago
Posts 360
Followers ▼ 16
Following 34
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Alpine Linux is a security-oriented, lightweight Linux distribution based on musl libc and busybox.

Last posted 3 days ago
Posts 253
Followers ▼ 16
Following 7
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Security Geek at Thinkst. We build canary.tools (he/him)

Last posted 1 day ago
Posts 483
Followers ▼ 15
Following 291
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Environmental Conservation
@[email protected]

Cultivating a sustainable future 🌱 | Focused on permaculture, regenerative agriculture & environmental conservation 🌿 | Inspiring communities to love nature, restore ecosystems, grow healthy food & protect our planet for future generations.

🌍🌱💚🙏!

Last posted 3 days ago
Posts 147
Followers ▼ 14
Following 3,044
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Security researcher by day, weird deer lady by night. Big fan of usenet and smolnet and prone to talking in equal measure about Linux and stuffed animals.

She/her

Last posted 1 day ago
Posts 19,308
Followers ▼ 14
Following 729
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Tekniquelly correct
@[email protected]

Politics ∪ tech ∪ security ∪ privacy ∪ O_o

Several-time EFF Tech Trivia champion.

Sysop of Free Radical.

I blog about this at blog.freeradical.zone/.

I’ve got your back.

Very approachable. Bring treats.

Last posted Less than a day ago
Posts 4,096
Followers ▼ 14
Following 2,030
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Founder of DEF CON & Black Hat. Maintainer of infocon.org.

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)

Last posted 1 day ago
Posts 3,952
Followers ▼ 13
Following 1,145
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Infosec researcher | Indieweb enthusiast | Find me @ shellsharks.com

searchable

Profile picture: A red shark holding a terminal window shaped like a surfboard. The terminal reads “> whoami shellsharks”

Last posted 1 day ago
Posts 2,462
Followers ▼ 12
Following 1,130
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🐈‍⬛ brie biker-ranza 🚲
@[email protected]

🐈‍⬛ My name is Brie (she/her) -- hi! ✨ I am an infosec-oriented engineer and leader WHOIS curious about everything. I corrected a typo at the Library of Congress. brie.dev

I like cats (@plop), kindness, the Internet, DevOps, , RSS, ransomware, DNS, automating stuff, biking, talking about (🔖 bookmarks.by.brie.dev) and lots of other things!

🙌 I'm passionate about troubleshooting.party and helping to explain how things are supposed to work.

🏳️‍🌈

Last posted 2 days ago
Posts 210
Followers ▼ 12
Following 606
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ADMIN Magazine
@[email protected]

Founded in 2010, ADMIN Magazine is the source for technical solutions to the real-world problems sysadmins face every day. Our advanced technical content helps improve admin skills with practical articles on security, cloud computing, DevOps, HPC, storage, and more!

ADMIN print and digital magazines are available for purchase at:
Europe and the United Kingdom (EUR/GBP):
shop.sparkhausmedia.com/shop

All Other Countries (USD):
shop.linuxnewmedia.com/shop

Last posted 2 days ago
Posts 710
Followers ▼ 12
Following 84