DORA Compliance: A Technical Guide for Financial Services Engineers

If you are a platform engineer, CTO, or infrastructure architect at a financial services firm operating in Europe, DORA is no longer something your compliance team handles in a spreadsheet. As of January 2025, the Digital Operational Resilience Act imposes legally binding technical requirements that reach into your cloud architecture, your incident response runbooks, and your vendor contracts. Non-compliance carries penalties of up to 2% of global annual turnover, and the 19 critical ICT third-party providers — AWS, Azure, Google Cloud, and others — are now under direct regulatory oversight for the first time. What is striking is how few engineers at regulated firms understand the technical depth of what DORA actually demands. It reads like a regulation, but it lands like an architecture review. ...

July 20, 2026 · 8 min · jnas

Cloud for Regulated Financial Environments: Architecture Guide 2026

Running cloud infrastructure for regulated financial services is not the same as running cloud for a SaaS startup. Every resource must be auditable. Every network path must be justified. Every configuration change must be traceable to an approved change request. This guide covers the architecture patterns, compliance frameworks, and operational practices we have used to build cloud platforms at HSBC, Credit Suisse, Deutsche Bank, and NatWest Markets. ...

July 19, 2026 · 6 min · jnas

Automating Regulatory Reporting with Cloud Data Pipelines

Regulatory reporting is the most expensive data processing obligation a financial institution has. A tier-one bank may submit 500+ distinct regulatory reports each month, each requiring data from dozens of source systems, transformed through different validation rules, and submitted to different regulators in different formats. We have built automated regulatory reporting pipelines for European and Asian banks. The pattern that works is not a single monolithic reporting system — it is a composable data pipeline that ingests from source systems once and generates multiple regulatory outputs. ...

May 28, 2026 · 4 min · jnas

Infrastructure as Code for Regulated Environments: Terraform vs Pulumi vs Crossplane

Infrastructure as Code (IaC) is a compliance accelerator in regulated environments. When every infrastructure change must be reviewed, approved, and auditable, manually provisioning resources through a web console is not just inefficient — it is non-compliant. IaC provides a code-based audit trail, version control, and automated validation that satisfies regulatory requirements. We have deployed Terraform, Pulumi, and Crossplane in production at banks and fintechs. Each has distinct trade-offs for regulated environments. The choice depends on your team’s programming expertise, compliance requirements, and existing infrastructure. ...

April 20, 2026 · 6 min · jnas

Cloud Security Posture Management for Fintechs: Automated Compliance in Multi-Cloud

Cloud misconfigurations are the number one cause of security incidents in fintech. Not sophisticated attacks, not zero-day exploits — misconfigured S3 buckets, over-privileged IAM roles, and unencrypted databases. A single misconfigured security group can expose customer financial data and trigger a regulatory investigation. Cloud Security Posture Management (CSPM) automates the detection and remediation of these misconfigurations. For fintechs, CSPM is not optional — it is a regulatory requirement. PCI DSS, SOC 2, and GDPR all require evidence of continuous security monitoring. Manual checks do not scale when you are running hundreds of cloud resources across multiple accounts and regions. ...

February 10, 2026 · 5 min · jnas

Building a SOC 2 Compliance Program for Your Fintech Startup

If you are a fintech founder selling to enterprise customers or raising institutional capital, SOC 2 Type II certification is no longer optional. It is a prerequisite for closing deals with banks, asset managers, and regulated financial institutions. We have guided multiple fintechs through the SOC 2 certification process. The difference between a smooth audit and a painful one is not whether you meet the criteria — it is whether you have built the evidence collection into your engineering workflow from day one. ...

November 8, 2025 · 4 min · jnas

Zero Trust Network Architecture for Banking: Beyond the Perimeter

The perimeter is dead. Banking networks used to be castle-and-moat: a hardened perimeter with everything inside trusted. Once you were inside the network, you could access anything. This model fails because modern banking infrastructure spans cloud providers, data centres, and SaaS platforms. There is no single perimeter to defend. Zero trust replaces the perimeter with identity. Every request is authenticated, authorised, and encrypted — regardless of where it originates. For banking, zero trust is not just a security improvement. It is a regulatory requirement. The OCC, FFIEC, and European Banking Authority all recommend or mandate zero trust principles for critical banking infrastructure. ...

June 20, 2025 · 6 min · jnas

Observability in Financial Services: Building Audit-Ready Monitoring at Scale

Observability is not optional in financial services. Regulators require audit trails. Operations teams need to diagnose production issues. Risk teams need to monitor transaction volumes and error rates in real time. A monitoring system that tells you “something is wrong” without telling you what, why, or when is worse than useless — it creates a false sense of security. We have built observability platforms for banks and fintechs that satisfy regulatory requirements while providing engineering teams with the diagnostic capability they need. The architecture is not about choosing between Datadog, Splunk, or Grafana. It is about designing the data model that makes your observability data useful for both compliance and operations. ...

April 15, 2025 · 6 min · jnas

RegTech Revolution: Streamlining Financial Compliance

How RegTech is Streamlining Compliance for Financial Institutions The financial services industry is subject to a complex and ever-evolving regulatory landscape. Compliance with these regulations is crucial for maintaining trust, avoiding penalties, and ensuring the stability of the financial system. However, traditional compliance processes can be time-consuming, costly, and prone to errors. Regulatory technology (RegTech) is emerging as a powerful solution to streamline compliance and reduce the burden on financial institutions. ...

December 15, 2024 · 2 min · jnas

Event Sourcing in Financial Systems: Why Ledger Integrity Depends on It

Traditional CRUD-based systems lose information. When you update a database record, the previous state is gone. In financial systems, this is unacceptable. Regulators require a complete audit trail. Accountants need to know the state of a transaction at any point in time. Dispute resolution requires reconstructing what happened, not just what the current state is. Event sourcing stores every change to system state as an immutable event. The current state is derived by replaying events. The full history is preserved by definition. For financial systems, event sourcing is not an architectural preference — it is a compliance requirement. ...

December 10, 2024 · 6 min · jnas