Check out the new open letter signed by more than 450 scientists who have serious concerns on the latest (July 2025) version of the chat control proposal. csa-scientist-open-letter.org/Sep2025

The EU wants to spend your money to assemble a giant mass surveillance machine with little effect on harm against children. Chat Control is not effective, weakens security for all and does not respect privacy. Contact your EU representatives and let them know. csa-scientist-open-letter.org/Sep2025

Multiparty FHE Redefined: A Framework for Unlimited Participants (Robin Jadoul, Barry van Leeuwen, Oliver Zajonc) ia.cr/2025/965

Congratulations to our researcher Robin Jadoul for successfully defending his PhD thesis on "Secure Multiparty Computation, Inside and Out of the Head"! 🎓🥳🎉

About 250 scientists from 31 countries have signed another open letter homes.esat.kuleuven.be/~preneel/Ope... criticizing the latest EU #chatcontrol draft See x.com/bpreneel1/st... for full post

I did a CTF writeup from the "diligent auditor" pyjail challenge from last weeks DiceCTF quals. It goes a bit deeper into some python import mechanics and has several tricks that avoid the audit hook system to read files and directories and execute arbitrary commands. ur4ndom.dev/posts/2024-0...

ZK-for-Z2K: MPC-in-the-Head Zero-Knowledge Proofs for ℤ_(2^(k)) (Lennart Braun, Cyprien Delpech de Saint Guilhem, Robin Jadoul, Emmanuela Orsini, Nigel P. Smart, Titouan Tanguy) ia.cr/2023/1057