Understanding “Harvest Now, Decrypt Later” Attacks and How to Protect Against Them

In the digital age, encryption safeguards much of the world’s sensitive data, ensuring privacy and security across communications, financial systems, and critical infrastructure. However, the emergence of quantum computing introduces a formidable challenge to these protections, making “harvest now, decrypt later” (HNDL) attacks a growing concern. What Are “Harvest Now, Decrypt Later” Attacks? HNDL attacks…