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Ledger Integrity
9 Layers
Security Model
Ed25519
Digital Signatures
SHA-256
Hash Chains
Every layer of Kumry Finance provides mathematically verifiable guarantees about the integrity, authenticity, and confidentiality of your financial data.
Mathematical proof of correctness
Every ledger operation is validated through formal verification methods borrowed from aerospace and critical systems engineering. Our accounting engine mathematically proves that debits equal credits, account balances are consistent, and no transaction violates double-entry invariants.
Key capabilities
Blockchain-inspired immutable ledger
Every journal entry is linked to its predecessor via cryptographic integrity verifications, creating a tamper-evident sequence that makes it impossible to alter historical records without detection. If a single byte is changed, every subsequent hash becomes invalid.
Key capabilities
Cryptographic proof of authorship
Every transaction and journal entry is digitally signed using Ed25519 elliptic-curve cryptography, providing irrefutable proof of who created or approved each financial record. These signatures cannot be forged or repudiated.
Key capabilities
Efficient integrity proofs at scale
Financial records are organised in Merkle trees, enabling efficient verification of any subset of data without requiring access to the entire ledger. A single root hash can verify millions of transactions.
Key capabilities
Tamper-evident change tracking
Every action in the system is recorded in cryptographically sealed audit capsules. These capsules form an immutable record of all system activity for compliance audits, forensic investigations, and regulatory reviews.
Key capabilities
Prove compliance without revealing data
Zero-knowledge proof technology allows you to prove financial statements and compliance claims to auditors, regulators, or partners without revealing underlying transaction data.
Key capabilities
Beyond cryptographic integrity, our platform is built on enterprise-grade infrastructure with defence-in-depth security at every layer.
Every request is authenticated and authorised, regardless of origin. No implicit trust.
TLS 1.3 in transit, AES-256 at rest, with additional application-layer encryption for sensitive fields.
Network segmentation, mTLS service mesh, OPA policy enforcement, and runtime monitoring.
HashiCorp Vault with HA configuration manages all secrets, API keys, and cryptographic material.
Database-enforced tenant isolation ensures users can only access their own organisation's data.
Falco runtime security monitoring detects anomalous behaviour and potential intrusions in real-time.
Nine layers of security protect your data from edge to storage
Edge Protection
DDoS mitigation, WAF, rate limiting
TLS Termination
TLS 1.3 with certificate pinning
API Gateway
Authentication, JWT validation, request routing
Service Mesh
Istio mTLS, traffic policies, circuit breaking
Policy Engine
OPA Gatekeeper, admission control, RBAC
Application Security
Input validation, CSRF protection, CSP
Data Layer
Row-level security, tenant isolation, encrypted fields
Cryptographic Integrity
Hash chains, digital signatures, Merkle trees
Runtime Monitoring
Falco detection, audit logging, anomaly alerts
Kumry Finance is designed to meet Australian regulatory requirements and international best practices for financial data handling.
Controls mapped to SOC 2 trust service criteria for security, availability, processing integrity, confidentiality, and privacy.
Application security controls addressing all OWASP Top 10 vulnerabilities including injection, broken auth, and XSS.
Full compliance with the Australian Privacy Principles (APPs) governing personal information handling.
GST tracking, BAS preparation, and record retention that meets Australian Taxation Office requirements.
Financial reporting and record-keeping aligned with Australian Accounting Standards Board requirements.
All financial data is stored and processed within Australian data centres, ensuring data residency compliance.