Financial software handles money and sensitive data, so users, partners and regulators expect strong security from the start.
Security essentials
- Multi-factor authentication
- Encryption in transit and at rest
- Secrets management and key rotation
- Detailed audit trails
- Rate limiting and fraud monitoring
- Regular security testing
Compliance considerations
Depending on your product: PCI DSS for card data, KYC/AML obligations, state money transmission rules, SOC 2 expectations from enterprise buyers and data privacy laws. Engage legal and compliance experts early.
Use proven providers
Payment processors, banking-as-a-service platforms, identity verification and open banking providers (such as Plaid) reduce your compliance burden.
Reliability
Financial transactions need idempotent APIs, reconciliation processes and clear handling of failures.
FAQs
Do I need a banking license?
Often not, if you partner with licensed providers, but it depends on your model — seek legal advice.
How do I avoid storing card data?
Use tokenized payment fields from your processor.
What's SOC 2?
An audit framework for security controls commonly requested by business customers.
