ENTERPRISE SECURITY & TRUST ARCHITECTURE

Cryptographic Rigor, Dedicated Isolation & Zero Data Exposure.

Financial investigations demand mathematical certainty and uncompromising confidentiality. PayTrace AI is architected from the bare metal up to isolate tenant environments, cryptographically verify audit trails, enforce dual-control human governance, and ensure customer financial telemetry is never used for foundation model training.

01 / SECURITY PILLARS

Six Non-Negotiable Engineering Principles

How our architecture defends enterprise ledgers, banking switches, and dispute workflows against data leakage and tampering.

PIL-01 HARDWARE KMS

Cryptographic Isolation

Logical and physical tenant partitioning with dedicated cryptographic envelope keys. No cross-tenant query execution is mathematically possible within our graph nodes.

PIL-02 ZERO RETENTION

Zero Model Training

Customer telemetry, ERP vouchers, and bank feeds are processed ephemerally in isolated execution sandboxes. Data is never cached to fine-tune or train LLM weights.

PIL-03 SHA-256 CHAIN

Immutable Audit Trails

Every reasoning step, OCR extraction, hypothesis probability, and ledger reconciliation is hashed into an append-only cryptographic ledger with Merkle verification.

PIL-04 FOUR-EYES

Dual-Control Governance

Autonomous agents diagnose root causes and prepare balancing entries, but zero fund movement occurs without multi-party, cryptographically signed human authorization.

PIL-05 LEAST PRIVILEGE

Granular RBAC & SSO

Role-based access control with SCIM provisioning, SAML 2.0 / OIDC federation, and mandatory FIDO2 / WebAuthn hardware token enforcement for all investigative operators.

PIL-06 PII REDACTION

Automated Sanitization

Real-time in-stream tokenization of PANs, card numbers, Aadhaar/SSN, and customer identifiers before data enters multi-agent reasoning workers.

02 / TENANT ISOLATION

Multi-Tenant Cryptographic Isolation

How PayTrace ensures zero possibility of cross-tenant data contamination or side-channel leakage across databases and memory pools.

Dedicated Master Key Hierarchy

Every enterprise tenant is assigned an independent Customer Master Key (CMK) provisioned inside dedicated Hardware Security Modules (FIPS 140-2 Level 3). Data Encryption Keys (DEKs) are rotated dynamically for every investigation session and encrypted under the tenant CMK.

Logical & Sharded Partitioning

Financial graph nodes, transaction indexes, and OCR document embeddings are partitioned by cryptographic tenant namespace. Multi-tenant database layers enforce Row-Level Security (RLS) and schema-level separation at the database engine kernel.

Memory Sandboxing for Reasoning Agents

Agent execution pods run in lightweight, ephemeral MicroVMs. Once an investigation case reaches final synthesis, working memory is zeroized via cryptographic wiping techniques.

TENANT ISOLATION SCHEMATIC // PAYTRACE v2.0 KMS ENVELOPE
[ INCOMING ERP / BANK FEED ]
            │
            ▼
[ TLS 1.3 mTLS INGEST GATEWAY ]
            │
            ▼  (Tenant ID Header: tenant_corp_hdfc_01)
┌─────────────────────────────────────────────────────────┐
│ TENANT-SCOPED KMS ENVELOPE ENGINE                       │
│ ├─ CMK: arn:aws:kms:ap-south-1:tenant_corp_hdfc_01     │
│ ├─ DEK: Generated per Investigation Session            │
│ └─ Cipher: AES-256-GCM with Authenticated Tag           │
└─────────────────────────────────────────────────────────┘
            │
      ┌─────┴─────────────────────────┐
      ▼                               ▼
┌──────────────┐              ┌──────────────┐
│ EPHEMERAL    │              │ ENCRYPTED    │
│ AGENT VM     │              │ GRAPH SHARD  │
│ (Zeroized on │              │ (RLS Scoped  │
│ Completion)  │              │  Partition)  │
└──────────────┘              └──────────────┘
03 / ENCRYPTION PROTOCOLS

Data in Transit & At Rest Encryption Standards

Strict cryptographic standards applied across all ingestion pipelines, internal RPCs, and persistence tiers.

Data in Transit

TLS 1.3 STRICT
  • ▸ TLS 1.3 Exclusive: Deprecated protocols (TLS 1.0, 1.1, 1.2) are blocked at edge edge proxies.
  • ▸ Perfect Forward Secrecy (PFS): ECDHE key exchanges ensure past sessions cannot be decrypted if keys are compromised.
  • ▸ Mutual TLS (mTLS): All internal microservices, agent dispatchers, and connector brokers communicate via bidirectional cryptographic certificate authentication.
  • ▸ Strict HSTS: Max-age set to 63072000 with subdomains and preload directive enabled.

Data at Rest

AES-256 GCM
  • ▸ Authenticated Encryption: AES-256-GCM provides both confidentiality and built-in cryptographic message integrity checking.
  • ▸ Field-Level Encryption (FLE): Sensitive transaction fields (account numbers, invoice amounts, counterparty names) are encrypted individually before database insertion.
  • ▸ Hardware Security Modules (HSM): Root keys never leave dedicated FIPS 140-2 Level 3 hardware boundaries.
  • ▸ Automated Key Rotation: DEKs rotated on every investigation session; CMKs rotated on a scheduled 90-day cadence.
04 / AUDIT LEDGER

Immutable SHA-256 Event Chaining

When an AI agent formulates a hypothesis or recommends an ERP reconciliation action, how do you mathematically prove the reasoning was unaltered?

STEP 01 EVENT HASHING

Canonical Normalization

Raw logs, OCR bounding coordinates, agent reasoning tokens, and user inputs are serialized into deterministic JSON and hashed via SHA-256.

STEP 02 MERKLE TREE

Sequential Hash Linking

Each audit log entry incorporates the hash of the preceding event (`prev_block_hash`), creating an unbreakable cryptographic chain that prevents retroactive tampering.

STEP 03 VERIFICATION

External Verification

Enterprise compliance officers can export the full cryptographic proof receipt (`audit_receipt.json`) and independently verify mathematical integrity with standard CLI tools.

LIVE CRYPTOGRAPHIC AUDIT RECORD SAMPLE (CASE PT-92881)
{
  "audit_entry_id": "AUD-LOG-99201",
  "case_ref": "PT-92881",
  "actor": "AGENT::LedgerReconciler [Model: PT-FinReason-Large]",
  "event_type": "HYPOTHESIS_VERIFIED",
  "timestamp_utc": "2026-09-27T17:44:14.219Z",
  "prev_block_hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
  "payload_canonical_hash": "a4f89102bc6e91f1a488e9102ca93b8214fa89110029efb7189a02bc6e91f1a4",
  "chain_integrity_status": "VERIFIED_VALID"
}
05 / ACCESS CONTROL

Granular RBAC & Least Privilege Matrix

Every team member operates under strict privilege boundaries. No user can view raw payment payloads without explicit investigative entitlement.

ROLE / TIER READ CASES & GRAPHS VIEW UNMASKED PII EXECUTE INVESTIGATION APPROVE SETTLEMENT RELEASE MANAGE KMS KEYS & SSO
Financial Investigator ALLOWED MASKED ONLY ALLOWED PROHIBITED PROHIBITED
Finance Controller / Lead ALLOWED REQUIRES APPROVAL ALLOWED DUAL APPROVER 1 PROHIBITED
Risk & Compliance Officer ALLOWED FULL ACCESS (AUDIT) ALLOWED DUAL APPROVER 2 PROHIBITED
External Auditor (Read-Only) READ ONLY PROHIBITED PROHIBITED PROHIBITED PROHIBITED
Security & Tenant Admin NO DATA ACCESS NO DATA ACCESS NO DATA ACCESS PROHIBITED FULL CONFIG
06 / HUMAN GOVERNANCE

Dual-Control "Four-Eyes" Human Approvals

Autonomous AI reasoning powers diagnosis. Human executives retain total sovereign authority over fund movements and ERP ledger adjustments.

In mission-critical enterprise finance, AI hallucination or runaway automation is catastrophic. PayTrace AI implements a strict four-eyes verification policy on all active remediation workflows:

1
Multi-Agent Diagnosis & Remediation Drafting

PayTrace AI pinpoints the root cause and constructs the exact idempotency-keyed API call to release held escrow or balance ERP ledger.

2
First Cryptographic Sign-Off (Finance Controller)

The lead finance controller inspects the supporting evidence trail and provides primary cryptographic authorization via hardware token.

3
Second Sign-Off (Risk / Treasury Lead)

A secondary independent risk or treasury officer confirms the contradiction resolution before the system releases funds to banking switches.

GOVERNANCE RULESET PT-GOV-09

Zero Autonomous Money Movement

"We believe artificial intelligence should bring superhuman analytical speed to financial investigations, while human operators maintain strict, auditable governance over final disbursement decisions."

Dual-control quorum requires M-of-N independent hardware signatures before triggering settlement release webhooks.
07 / ZERO RETENTION

Strict Zero AI Model Training Guarantee

Your bank statements, ERP invoices, and ledger records are your intellectual and financial property. We do not use them to train any public or shared AI models.

GUARANTEE 1 NO TRAINING

Zero Foundation Fine-Tuning

No customer telemetry, transaction metadata, or OCR document text is retained in training datasets for foundation models or generalized embeddings.

GUARANTEE 2 ISOLATED RAG

Tenant-Private Vector Stores

Retrieval-Augmented Generation (RAG) indices are encrypted with tenant KMS keys and hosted in private, single-tenant vector partitions inaccessible to external systems.

GUARANTEE 3 CRYPTOGRAPHIC PURGE

Automated Session Purge

Upon case resolution and client audit archiving, intermediate agent memory caches and document OCR buffers are zeroed out per DoD 5220.22-M wiping standards.

08 / DATA SANITIZATION

Real-Time In-Flight PII Redaction

How raw payment streams are scrubbed before reaching reasoning agents and analytical graphs.

Before payment switch logs, invoice PDFs, or dispute emails are parsed by multi-agent workers, they traverse an automated sanitization proxy. This proxy identifies, tokenizes, and redacts sensitive consumer and banking data in under 2 milliseconds:

  • Card Numbers (PAN): Truncated to first 6 and last 4 digits (e.g. `4111-XXXX-XXXX-9012`).
  • Bank Account Details: Masked with reversible cryptographic surrogate tokens mapped only inside the tenant KMS boundary.
  • National IDs: Automated pattern detection for Indian PAN, Aadhaar, US SSN, and EU IBAN numbers.
  • Personal Identifiers: Named Entity Recognition (NER) masks individual customer phone numbers and physical home addresses.
SANITIZATION ENGINE TRANSFORM LATENCY: 1.4ms
// BEFORE SANITIZATION (RAW BANK SWITCH LOG)
{
  "card_number": "4111928301929012",
  "account_holder": "Ramesh Kumar Sharma",
  "pan_number": "ABCDE1234F",
  "phone": "+91 98101 23456"
}

// AFTER SANITIZATION (INGESTED BY AGENT REASONER)
{
  "card_number": "4111-XXXX-XXXX-9012",
  "account_holder": "R****h K***r S****a [SURROGATE_ID_9918]",
  "pan_number": "[REDACTED_NATIONAL_TAX_ID]",
  "phone": "[REDACTED_PHONE_E164]"
}
09 / CLOUD DEFENSE

VPC Peering, PrivateLink & Zero Open Ports

Enterprise financial data is never routed over the public unencrypted Internet when connecting to client ERP or core banking systems.

NET-01 PRIVATELINK

AWS / Azure PrivateLink

Direct VPC-to-VPC private endpoint connections. Traffic between your cloud infrastructure and PayTrace remains completely within private cloud backbones.

NET-02 ZERO TRUST

Zero Public Database Ingress

All database clusters, Redis caches, and message queues operate in isolated private subnets with no public IP allocation and zero direct internet routability.

NET-03 WAF + DDOS

Layer 7 WAF & Rate Limiting

Intelligent Web Application Firewall with automated OWASP Top 10 rule enforcement, anomaly-based DDoS suppression, and token bucket rate limiters.

10 / INCIDENT RESPONSE

Continuous Vulnerability Scanning & Incident SLA

Proactive security monitoring and structured response timelines for high-severity security events.

Vulnerability Management Lifecycle

  • 1. Static & Dynamic Analysis (SAST/DAST): Automated CI/CD pipeline scans check every pull request for secret leakage, SQLi, and dependency CVEs.
  • 2. Continuous Container Scanning: Container images are scanned on build and continuously in registry for kernel and OS package vulnerabilities.
  • 3. Third-Party Penetration Testing: Independent CREST-accredited security researchers conduct rigorous black-box and white-box assessments.

Structured Incident Response SLA

SEV-1 (CRITICAL SECURITY INCIDENT) < 15 MIN RESPONSE
SEV-2 (HIGH SEVERITY ANOMALY) < 1 HOUR RESPONSE
SEV-3 (MODERATE SUSPICION) < 4 HOURS RESPONSE

*Includes emergency automated kill-switch protocol to sever ERP/Gateway connectors within 300ms if anomalous traffic signatures are detected.

11 / TRANSPARENT POSTURE

Compliance Architecture & Transparent Standards

We believe in absolute transparency. We do not display fabricated certification badges or make false regulatory claims. Here is our exact engineering design adherence:

CONTROL ALIGNMENT

SOC 2 Type II Controls

Platform architecture is designed strictly in accordance with AICPA Trust Services Criteria across Security, Availability, and Confidentiality control baselines.

CONTROL ALIGNMENT

ISO/IEC 27001 ISMS

Information Security Management System designed around Annex A security controls, asset classification, and continuous risk assessment matrices.

DATA SOVEREIGNTY

GDPR & India DPDP Act

Full support for in-region data residency, data localization within Indian and European cloud zones, and cryptographic right-to-erasure endpoints.

LEGAL & COMPLIANCE NOTICE: RadLabs Technologies Private Limited designs all PayTrace AI systems to meet or exceed global banking and financial data protection regulations. We maintain rigorous internal control records and make architectural audit artifacts available to enterprise compliance teams under mutual NDA.

COORDINATED DISCLOSURE & CONTACT

Connect With Our Enterprise Security Team

For security audits, custom KMS integration reviews, penetration test reports, or to report a vulnerability to our engineering leads, reach out directly:

DIRECT SECURITY INQUIRIES
PGP KEY FINGERPRINT
9A12 88B4 7120 44DF 0019 FA21 8892 4110 99AA
VULNERABILITY SLA
Acknowledgment within 4 hours