HNDL Timeline — Harvest-Now-Decrypt-Later Risk Simulator
This interactive Mosca Inequality calculator needs JavaScript to run. Please enable JavaScript, or read the source and methodology below.
X + Y > Z
→ your data is already at risk
X = data shelf life · Y = PQC migration time · Z = years until a cryptographically-relevant quantum computer.
Source: Mosca (IEEE S&P 2018) · GRI/evolutionQ Quantum Threat Timeline Report 2025 ·
project README.