Harvest Now, Decrypt Later: The Threat to Key Exchange – Quantum Series, Part 2 Julio Gomez on July 13, 2026 at 2:00 pm

We zoom in on key exchange and its urgent “harvest now, decrypt later” threat, where attackers record encrypted traffic today to decrypt once quantum hardware matures. Then we meet the two contenders: classical Diffie-Hellman and post-quantum ML-KEM.

​[#item_full_content]  We zoom in on key exchange and its urgent “harvest now, decrypt later” threat, where attackers record encrypted traffic today to decrypt once quantum hardware matures. Then we meet the two contenders: classical Diffie-Hellman and post-quantum ML-KEM.  Read More Cisco Blogs