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thice.bsky.social
Thijs Bosschert
@thice.bsky.social
190 followers 120 following 110 posts
Allround Security, IR & SOC professional. Escape room, CTF & game creator. Organizer WHY2025 CTF. Mediocre lockpicker. CTF teams: Eindbazen, Jobless Hackers and Spotless. https://cybersecurity-escaperoom.com/ https://thice.nl/ https://ctf.why2025.org
cybersecurity-escaperoom.com
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Reposted by Thijs Bosschert
orangecon.nl
OrangeCon @orangecon.nl · 3d
How do you entertain 3,500 hackers?
Thijs Bosschert shows how CTFs and the Secret Token Game at WHY2025 trained, inspired, and engaged hackers.
Check it out: youtu.be/u6IV6TbIqZ0?...
How To Entertain 3500 Hackers - Thijs Bosschert
youtu.be
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · 23d
Hij was geniaal!
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · 29d
Direct link to disable the harvesting of your data for AI on LinkedIn:
www.linkedin.com/mypreference...
LinkedIn Login, Sign in | LinkedIn
Login to LinkedIn to keep in touch with people you know, share ideas, and build your career.
www.linkedin.com
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · Sep 14
Mooi doosje om een tracker in te plaatsen en te doen alsof het voor marters is... 🤔
Reposted by Thijs Bosschert
orangecon.nl
OrangeCon @orangecon.nl · Sep 13
All #OrangeCon2025 talks are now online!
Watch them on our YouTube channel: www.youtube.com/@OrangeCon
OrangeCon
Community Driven Cybersecurity Conference Experience the Hackers Community in The Netherlands! OrangeCon is a community driven, non-profit Cybersecurity Conference in the heart of The Netherlands. Mee...
www.youtube.com
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · Sep 9
The system of the dot patterns seems to be Optical Identification (OID), and multiple versions exist:

www.sonix.com.tw/category-en-...
OID(Optical ID) - 松翰科技
OID(Optical ID)
www.sonix.com.tw
thice.bsky.social
Thijs Bosschert @thice.bsky.social · Sep 9
The Tiptoi hardware has been analyzed before by multiple people, and there are quite some resources online which give information on how it works.
This page contains information on the encoding of the dot patterns: github.com/entropia/tip...
PEN Optical ID and codes
Trying to understand the file format of Tip Toi. Contribute to entropia/tip-toi-reveng development by creating an account on GitHub.
github.com
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · Sep 9
Another toy that uses a similar system are the Vtech Magi books.
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · Sep 9
The system of using small patterns looks similar to the system the Tiptoi books use.
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · Sep 9
When looking really close at the barcodes they contain a pattern of very tiny dots.
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · Sep 9
The scanner can scan the barcodes of the mini's but it does not really scan the actual barcode. The barcodes for all minis are the same.
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · Sep 9
The scanner is made by the same company that created the AH soundbox hardware.
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · Sep 9
Albert Heijn (AH) has another cool piece of hardware in its newest promotion "Mini winkeltje". They created a working mini handscanner which can scan the small mini products which are part of the promotion.
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · Sep 5
In the bus to @orangecon.nl, someone's exploit needs a bit more tuning I think.
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · Aug 31
Awesome, OrangeCon has a CTF! 🥳
orangecon.nl OrangeCon @orangecon.nl · Aug 31
Ready to test your skills? OrangeCon 2025 will have a CTF with Beginner & Advanced categories!
Prizes? Win a Flipper or a HackRF! Don’t miss out!
Oh and dont forget to check out our full conference schedule --> orangecon.nl#schedule
OrangeCon
Experience the Hackers Community in The Netherlands! OrangeCon is a community driven, non-profit Cybersecurity Conference in the heart of The Netherlands. Meet old and new friends, listen to talks of…
orangecon.nl
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · Aug 18
Maar stiekem is Zip best een goede game 😬
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · Aug 15
a man wearing sunglasses and a green jacket is standing in a crowd and says `` do it '' .
ALT: a man wearing sunglasses and a green jacket is standing in a crowd and says `` do it '' .
media.tenor.com
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Reposted by Thijs Bosschert
cryptocat.me
CryptoCat @cryptocat.me · Aug 12
Played the @why2025.bsky.social CTF over the weekend 💜 Here's some web challenge writeups 👇

book.cryptocat.me/ctf-writeups...
Web | CTF Writeups
book.cryptocat.me
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Reposted by Thijs Bosschert
media.ccc.de
C3VOC releases @media.ccc.de · Aug 10
Capture flags and secret tokens at WHY2025 has been released on media.ccc.de and YouTube #why2025 #Wonderfulcreations #Brachium #why2025eng https://media.ccc.de/v/why2025-122-capture-flags-and-secret-tokens-at-why2025 https://www.youtube.com/watch?v=VetI8ydh2E4
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · Aug 6
KLM data breach notification
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Reposted by Thijs Bosschert
malwaretech.com
Marcus Hutchins @malwaretech.com · Aug 4
Every Reason Why I Hate AI and You Should Too

malwaretech.com/2025/08/ever...
Every Reason Why I Hate AI and You Should Too
maybe it's anti-innovation, maybe it's just avoiding hype. But one thing is clear, I'm completely done with hearing about AI.
malwaretech.com
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Reposted by Thijs Bosschert
why2025.bsky.social
WHY2025 @why2025.bsky.social · Aug 3
Angels needed — today!

It’s a gorgeous day and critical tasks for WHY2025 need immediate attention. Are you close by? Come to the site and jump in. Bring water, sunscreen, and sturdy closed-toe shoes. Boost/share = help. 🙏

Check out: youtube.com/shorts/5...

#WHY2025 #BuildUp #Angels #Infra #Crew
ANGELS WANTED TODAY! #why2025 #hackers #why2025camp
We are on the field building WHY2025 and need your help!! A lot of angels signed up, but haven't arrived yet. It's sunny weather, the people are kind and the work is plenty 😎 So come over to the field and help us placing fences, making food and all the other things that have to be done. Please shar
youtube.com
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Reposted by Thijs Bosschert
mifarelady.bsky.social
Chantal 🔮 @ #WHY2025 @mifarelady.bsky.social · Aug 3
Lot’s of stuff is already working like toilets and showers! But we need more hands on the field!
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Reposted by Thijs Bosschert
phrack.org
Phrack Zine @phrack.org · Jul 31
⛺️ Phrack at WHY @why2025.bsky.social

🗓️ Sat Aug 9
📰 19:00 Issue #72 print drop (2250 copies!)
🎉 20:30 Party at @milliways.bsky.social (1200 cups. Free beer.)

40 years of hacker history. Be there.
#WHY2025
flyer content on a pixely tent in a forest with a hacker in front, pinks and blues and purples.
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thice.bsky.social
Thijs Bosschert @thice.bsky.social · Jul 31
Is the release party going to be on the 8th or on the 9th? The schedule on the Milliway page shows the 9th:

wiki.why2025.org/Village:Mill...

(I am trying to make sure I can get my hands on one of those cups, the CTF starts at 18:00 and my own talk is at 20:00 on the 8th 😁)
Village:Milliways - WHY2025 wiki
https://wiki.why2025.org/Village:Milliways#20:30_PHRACK_#72_RELEASE_PARTY
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