October 19 – 22, 2026, Sophia Antipolis, France

From the conference’s webpage:
“Join us for the 20th edition of the ETSI Security Conference, one of ETSI’s flagship events and a unique annual opportunity for the global security community to meet face to face, exchange with an experts’ audience, and explore the most relevant topics in cybersecurity standardisation.”

Amongst ist highlights is listed “Cryptography and Quantum Readiness”:

“Prepare for the Quantum Frontier
Quantum disruption is no longer theoretical. Explore crypto‑agility in action, PQC‑ready architectures, and what boards must decide now to mitigate “harvest‑now, decrypt‑later” risks.”