# Quantum-Safe Legal Vault for Permanent Confidentiality

> Storage for the records that must stay confidential for decades — sealed with NIST post-quantum cryptography against harvest-now, decrypt-later. On the RankShield Legal roadmap.

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# A vault for the records privilege never lets expire.
**The quantum-safe legal vault is a planned capability** for a firm’s longest-lived secrets — privileged communications, trade secrets, sealed settlements, M&A and IP files — sealed with NIST-standardized post-quantum cryptography so their confidentiality survives the harvest-now, decrypt-later horizon. This page describes the direction; the vault is on the roadmap.
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The quantum-safe signing that protects RankShield Legal’s certificates points at a broader need: much of what a firm holds must stay confidential for decades, and the encryption protecting it today was not chosen for that lifetime. The vault extends post-quantum protection from the proof to the underlying records.

## What the vault is designed to protect
The vault targets data ranked by confidentiality lifetime rather than by size or recency: the material that would still cause harm if decrypted in ten or twenty years. That is precisely the data harvest-now, decrypt-later collection is aimed at, and precisely where classical RSA and ECDSA — slated for deprecation after 2030 — leave the longest exposure.

## How it would work
Records would be sealed with the same NIST-standardized post-quantum algorithms the platform already uses for signing (ML-DSA and SLH-DSA, FIPS 204/205), with integrity anchored to the tamper-evident transparency log. The honest boundary is the same one we state everywhere: quantum-safe describes resistance to foreseeable quantum attack under current standards — not immunity, and never “quantum-proof.”

## Honest status

- The vault is a roadmap capability, not a shipped storage product.
- The post-quantum signing it builds on is live on the platform today.
- It protects confidentiality lifetime; it is not a claim that any system is unbreakable.

Early access · Law firms
### Prove it, don't promise it
Certify every citation, attest privilege isolation, and seal each result to a log a court or client can verify. Enterprise-grade protection, firm-sized.
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## Quantum-Safe Legal Vault, answered
The questions law firms ask about quantum-safe legal vault, answered directly. **No forms, no sales pitch.**

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- **Can I store files in the vault today?** Not yet — the vault is a roadmap capability. The post-quantum cryptography it builds on already signs and seals the platform’s certificates and attestations, and design-partner firms are helping define which record classes belong in the vault first.
- **What should go in a quantum-safe vault first?** Records ranked by how long they must stay confidential: privileged communications, trade secrets, sealed settlements, M&A and IP files, and long-lived matter records. Anything that must stay secret beyond roughly 2030–2035 is already inside the harvest-now window and belongs first in line.
- **Is quantum-safe the same as unbreakable?** No. Quantum-safe means built on NIST-standardized post-quantum algorithms designed to resist attack by a future quantum computer under current analysis. It is an engineering standard, not a guarantee, and we never describe it as “quantum-proof.”

Keep exploring
## Related work
[Platform Quantum-Safe Security Post-quantum signatures on records whose confidentiality obligations outlast the cryptographic transition, ranked by how long they must stay secret. Explore →](https://rankshieldlegal.com/quantum-safe-law-firms/)[Solutions Data Breach & Ransomware Why firms are a rising ransomware target, what makes legal data uniquely exposed, and how to cut the long-tail risk. Explore →](https://rankshieldlegal.com/law-firm-data-breach-ransomware/)[Platform Privilege Isolation A signed attestation that privileged material stayed inside the approved boundary — bound to informed consent. Explore →](https://rankshieldlegal.com/privilege-isolation/)