🔐 Join the COSIC Course on Cryptography & Cybersecurity | 22–25 June 2026 (KU Leuven).
Learn from experts incl. Bart Preneel, Vincent Rijmen, Mastercard, Google, IBM & more.
From PQC to AI, payments & hardware security.
👉 Register now: https://www.esat.kuleuven.be/cosic/events/cosic-course/

Jelena Zelenovic and Edoardo Peña presented a poster at MAgiCS (Eurocrypt 2026 workshop) in Rome: "Post-Quantum Discovery as a Governance Capability: Evidence-Based Cryptographic Visibility and Exposure Prioritisation in a Critical Service Provider".
https://magics-workshop.cs.hs-rm.de/

#Instagram has removed end‑to‑end #encryption for private messages, allowing #Meta to read them again. "It’s very strange that Instagram chooses to make the internet less secure for its users," says cryptographer Bart Preneel. 🔐❌
https://www.nieuwsblad.be/economie/technologie/instagram-kan-vanaf-nu-opnieuw-je-priveberichten-lezen-ze-willen-over-iedereen-zoveel-mogelijk-weten/151241253.html

📢Registration is now open for the "Secrets Shared, Privacy Preserved" workshop, a Celebration of the Work of Nigel Smart - co-located with #SCN 2026 in Amalfi on 17th of September, 2026.
https://www.esat.kuleuven.be/cosic/events/nigel-smart-celebration-2026/

COSIC postdoc Shahla Atapoor is blogging from #Eurocrypt 2026 in Rome and wrote a post about "Traceable Secret Sharing Revisited": https://www.esat.kuleuven.be/cosic/blog/eurocrypt-2026-traceable-secret-sharing-revisited/
Original paper: "Traceable Secret Sharing Revisited" (Vipul Goyal, Abhishek Jain, Aditi Partap)
https://eprint.iacr.org/2025/1980

COSIC postdoc Shahla Atapoor is attending #Eurocrypt 2026 in Rome and wrote an interesting blog post on "Traceable Secret Sharing Schemes for General Access Structures", check it out here: https://www.esat.kuleuven.be/cosic/blog/eurocrypt-2026-traceable-secret-sharing-schemes-for-general-access-structures/
Original paper: https://eprint.iacr.org/2025/1120 (Oriol Farràs & Miquel Guiot, Rovira i Virgili University)

To close a great day at the #PQCSA workshop in Rome: a dual presentation by Elisa Pioldi and Jonathan Levin from TU/e on "Post-Quantumifying Privacy-Preserving Electronic Payments with GNU Taler".
#PQCSA workshop on Post-Quantum Cryptographic Protocols in Rome (#Eurocrypt 2026).

Today at the #PQCSA workshop on Post-Quantum Cryptographic Protocols in Rome (#Eurocrypt 2026 affiliated event): Leonard Schild (COSIC, KU Leuven) discussing "PQ Private Information Retrieval".
https://esat.kuleuven.be/cosic/events/pqcsa-workshop-cryptographic-protocols/program/
#pqc #postquantum #quantum

Arnab Roy (University of Innsbruck, Austria) talking about "The Versatile LWE Problem" at the #PQCSA workshop on Post-Quantum Cryptographic Protocols in Rome today (#Eurocrypt 2026 affiliated event).
https://esat.kuleuven.be/cosic/events/pqcsa-workshop-cryptographic-protocols/program/
#pqc #postquantum #quantum

Thom Wiggers (PQ Shield, UK) talked about "Migrating Protocols to PQ: the good, the bad, and the ugly" at the #PQCSA workshop on Post-Quantum Cryptographic Protocols in Rome today (#Eurocrypt 2026 affiliated event).
https://esat.kuleuven.be/cosic/events/pqcsa-workshop-cryptographic-protocols/program/
#pqc #postquantum #quantum