industry · quantum risk
Is HNDL program Quantum Proof? Cyber Program & PQC
Verdict
HNDL is a program prioritization driver: protect long-lived confidentiality with hybrid/PQC key exchange and re-encrypt archives when justified—not only “wait and see.”
Overview
Adversaries can store ciphertext today and decrypt when cryptanalysis improves. Security programs must estimate data longevity by class.
Glossary and threat pages deepen the concept; this page is operational prioritization.
Program inventory focus: Data with shelf life beyond estimated CRQC timelines. Typical classical surfaces: Classical key exchange on recorded sessions; Long-term encrypted archives. Cross-read /security/program and /assessment. Educational only—not compliance advice.
Cryptographic profile
- Signatures: Classical key exchange on recorded sessions, Long-term encrypted archives
- Hash: Archive indexes
- Public-key exposure: Data with shelf life beyond estimated CRQC timelines.
What breaks
- Treating all data as 90-day
- Ignoring backups and tapes
Mitigations
- Data classification with time horizons
- Hybrid TLS on high-HNDL channels first
- Archive re-encryption projects where needed
FAQ
Is HNDL proven against us?
Threat model is widely discussed by agencies; assume capable adversaries for high-value data.
Symmetric archives?
Key protection and wrapping algorithms still need review.
Key concepts (technical dictionary)
Terms used on this page — open a definition: