Mixed deployment estate
One product may need to run in the vendor cloud, a customer VPC and a tightly controlled on-premises environment.
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For financial software
A smaller trust boundary for high-consequence products.
Financial applications can keep authentication compact, auditable and deployable while their own systems remain responsible for portfolios, trades and entitlements.
Illustrative reference scenarioNot a customer or compliance claim
4-step authentication pathCustomer boundary
- 01UserProves control of a passkey
- 02RustyAuthAuthenticates and records events
- 03Financial productApplies roles and entitlements
- 04Systems of recordRemain authoritative for assets and actions
The operating reality
A financial platform serving regulated organisations
The platform needs a consistent sign-in boundary across its standard SaaS deployment and private customer environments. RustyAuth authenticates users and issues narrowly scoped identity claims; the financial platform continues to own account relationships, suitability, permissions and every business decision.
High-consequence access
A stolen session can expose sensitive data or create a path towards valuable operations.
Audit expectations
Identity events need to feed the organisation’s wider evidence, monitoring and incident-response systems.
What the core contributes
Authentication stays small.
The product stays authoritative.
RustyAuth establishes who authenticated and issues narrow claims. Sector-specific systems keep every business decision.
Portable boundary
A small Rust service and private persistence topology.
Revocable access
Durable sessions and independently revocable service credentials.
Recovery operations
Encrypted logical backups with verification and clean-room restore commands.
Honest boundary
What this story does—and does not—claim.
Regulated infrastructure earns trust through evidence. These boundaries remain explicit while RustyAuth is pre-release.
RustyAuth does not replace
- Portfolio or trading permissions
- Suitability and compliance workflows
- Fraud and financial-crime controls
- Business systems of record
Production profile requires
- High availability and workload identity
- SIEM and evidence export
- Enterprise federation
- Abuse-resistant recovery
Begin with evidence
Evaluate the boundary
inside your environment.
RustyAuth is pre-release. Start with a synthetic account and a controlled evaluation—not a sole production identity dependency.