THE HARVESTencrypted now · decrypted later · the hourglass is already tiltingT_Q ≈ 2032 (aggressive) · 2036 (moderate)2026ciphertext enters2029ciphertext legible0x7f3a9d1c4ea8b2f03c7d9eb04f1aharvestnation-state SIGINT capturesencrypted traffic today,stores it for later.decryptShor-capable hardware arrives,2029 adversary readsyour 2026 handshakes.migration deadline = T_now ≤ T_Q − D · today is 2026-04-18 · D = sensitivity lifetime