🎄 Happy holidays from all of us in the COSIC research group! Proof that science is better with friends.

Great news, you can now register for our #PQCSA workshop on Open-Source #PQC Libraries and Implementations in Brussels on 30 January 2026:
https://www.esat.kuleuven.be/cosic/events/pqcsa-workshop-pqc-migration/
Co-located with #FOSDEM 2026

🎥The COSIC Seminar on "Improvements of the Moreno-Moreno Theorem" by Wenxuan Shan is now online: https://www.youtube.com/watch?v=TSwbE1FCi5s

🎥The COSIC Seminar on "Application-Specific Arithmetic Operators with the FloPoCo HDL core generator" by Florent de Dinechin (Institut National de Sciences Appliquées Lyon) is now online on our YouTube channel: https://www.youtube.com/watch?v=vEOquauPT4c

🎥The COSIC Seminar "RISQrypt: Fast, Secure, and Configurable HW/SW Co-Design for Post-Quantum Cryptography" by Erkay Savaş (Sabanci University) is now available on our Youtube channel: https://www.youtube.com/watch?v=eMxErfp2iSY

This week in COSIC... We have 3 seminars for you (free to attend in person). The speakers are: Erkay Savaş (Sabanci University), Florent de Dinechin (Institut National de Sciences Appliquées Lyon) and Wenxuan Shan (COSIC).
https://www.esat.kuleuven.be/cosic/?post_type=tribe_events

Jesse De Meulemeester and Jo Van Bulck presented "Fifty Dollars To Root The Cloud: Low-Cost Memory Interposer Attacks On Confidential Computing" at Black Hat Europe
https://blackhat.com/eu-25/briefings/schedule/#fifty-dollars-to-root-the-cloud-low-cost-memory-interposer-attacks-on-confidential-computing-48941

Jesse De Meulemeester (COSIC) shows how a tiny board between #CPU and memory can redirect accesses to read protected data. By replaying captured ciphertext, the victim reads stale data, breaking integrity in #SGX/#TDX and #AMD SEV. 🔐⚡
https://youtube.com/watch?v=dnUoY84NRuw
#BatteringRAM

Imagine walking into a hotel… with two forged cards that open every door. That’s #Unsaflok, explained by Lennert Wouters (COSIC) at the Cybersecurity Industry Day: https://www.youtube.com/watch?v=4hnrGBum_ws
A cascade of flaws put 3M+ Saflok hotel locks in 131 countries at risk.

📢 #PQCSA Workshop Alert!
Join us in Brussels on 30 Jan 2026 for "Open-Source PQC Libraries and Implementations", co-located with #FOSDEM 2026.
As the move to #PQC grows, open-source projects are crucial.
https://www.esat.kuleuven.be/cosic/events/pqcsa-workshop-pqc-migration/