Early access · General availability Q2 2028
Legal & ABA Compliance

Protect Privileged Documents with Cryptographic Chain-of-Custody

Legal vertical is on the 2028 roadmap. Telesphoros's compliance primitives (agreement enforcement, AI classification of privileged matter, append-only audit chain) are already shipping for HIPAA; the ABA configuration activates when the first paid legal pilot is in place. Below is the target offering — automated NDA enforcement, matter-scoped encryption, and tamper-evident audit trails designed to hold up in court. Get in touch for early-access terms.

$4.7M
Avg. law firm data breach cost
Chain Hash
Tamper-evident audit trail
RBAC
Owner / Admin / Editor / Viewer
API-First
Integrates with any DMS

The Problem: Privilege Protection is Only as Strong as Your Weakest Link

Law firms are the #1 target for state-sponsored cyberattacks. 29% of the Am Law 200 reported a breach in the last 3 years. Once privilege is breached, it can be waived entirely. E-discovery obligations under FRCP require provable chain-of-custody for every document — "we think it wasn't tampered with" doesn't survive a motion to compel.

How CZI Enforces Legal Compliance
1

Authenticate

Dual-hash API key auth
(HMAC + PBKDF2)

2

NDA Gate

Blocks uploads without
signed NDA

3

AI Classify

Auto-detect privileged,
legal, PII documents

4

Encrypt & Store

AES-256-GCM → Iagon
decentralized storage

Legal-Specific Capabilities
🔒

Privilege Protection

AI classifier auto-identifies attorney-client privileged documents on upload. Role-based access control ensures only authorized attorneys can access sensitive files. Smart redaction strips privilege markers for non-privileged viewers.

🔗

Chain-of-Custody Proof

Append-only audit trail with cryptographic chain hashing and Merkle tree integrity. Every access logged with who/what/when/where/why. Blockchain-anchored daily on Cardano L1 for immutable timestamping.

🔍

Cross-File Relationships

Entity extraction detects case numbers, party names, court identifiers, and document references across uploaded files. Automatically links related documents for discovery preparation.

🚨

Anomaly Detection

8-rule engine detects unusual access patterns — off-hours document access, bulk downloads, impossible travel, rapid exfiltration. Auto IP blocklist and key rotation on critical alerts.

📄

Legal Hold Override

Place litigation holds on any file to prevent deletion regardless of retention schedule. Fully audit-logged with previous state for discovery compliance. Release with documented reason.

DMS Integration

API-first middleware integrates with iManage, NetDocuments, Clio, and any system with REST API capabilities. No vendor lock-in — CZI sits between your DMS and encrypted storage.

Legal Use Cases

Scenario: E-Discovery Document Production

Opposing counsel requests all documents related to Case #2024-CV-1234. CZI's cross-file relationship detection identifies all linked documents. The chain-hashed audit trail provides court-admissible proof that no documents were altered since upload.

Discovery Request Entity Search (case #) RBAC Filter Privilege Review Audit Export Production

Scenario: Cross-Firm Secure File Sharing

Co-counsel at another firm needs access to case documents. CZI's NDA enforcement ensures the receiving firm has a signed agreement before any files are accessible. Role-based access limits what each firm can see. Every access is audit-logged.

NDA Signed API Key Issued RBAC: Viewer Role Encrypted Download Audit Logged
Why CZI vs. Traditional Legal Tech

Telesphoros

Decentralized storage

Privileged documents are encrypted and distributed across Iagon's decentralized network. No single server holds a complete document. A breach of any single node yields encrypted fragments — mathematically useless without the tenant's HKDF-derived key.

Traditional Cloud Storage

Centralized storage

All privileged documents sit in one vendor's cloud. A single breach exposes the entire privilege database. A government subpoena to the cloud provider can access everything. Single point of failure for your most sensitive files.

Telesphoros

Cryptographic chain-of-custody

Every document access is recorded in an append-only log with chain hashing. The log is blockchain-anchored daily. Tampering is mathematically detectable. This is court-admissible proof of document integrity.

Traditional Solutions

Application-level logging

Access logs are stored in mutable databases. An admin with database access can alter or delete logs. "We didn't find evidence of tampering" is not the same as "tampering is mathematically impossible."

Compliance Coverage
ABA Model Rules State Bar Ethics Rules FRCP E-Discovery AES-256-GCM Encryption RBAC (4 Roles) Post-Quantum TLS Blockchain Audit Anchoring
Full Feature Checklist

Ready to Protect Attorney-Client Privilege at the Infrastructure Level?

See how Telesphoros provides court-admissible chain-of-custody for every document in your practice.

Schedule a Demo