When Success Breaks the System: How NCS Turned 38 Outages Into a Resilient Compliance Platform

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Consulting ServicesCybersecurity
How NCS Turned 38 Outages Into a Resilient Compliance Platform

Overview

A fast-growing European tax compliance software business, helping brands, national organisations and point-of-sale vendors meet the EU's shift to real-time digital tax reporting, had outgrown the architecture underneath it, with 38 recurring outage incidents exposing a cloud platform whose testing, data layer and operating model had not scaled at the same pace as its customer base. NCS ran an 8-week diagnostic assessment across the full value delivery chain, then mobilised a senior tiger team to convert 38 outages and 42 latent architectural timebombs into 15 prioritised, sequenced recommendations. The result was a stabilised core fiscal engine, a defensible baseline against incoming ISO 27001, NIS2 and DORA obligations, and a platform genuinely ready to scale rather than one quietly accumulating risk behind it.

The Challenge: The client was battling a triple threat

Success had done what failure never could: it had found every weak point in the platform at once.

  • Functional Delivery Outrunning Non-Functional Design:

    the product had grown fast on functional features, but availability targets, service design and engineering priorities had never caught up with what a business-critical platform actually needed.

  • Generalist Engineering Carrying Specialist Burdens:

    architecture, QA/QE, platform and infrastructure disciplines were now essential, but the organisation was still relying on generalist engineering to carry decisions that needed specialist ownership.

  • Technical Risk Invisible to the Business:

    known risks such as PostgreSQL lock contention, unpruned message logging tables and unsafe customer integration patterns had stayed background noise instead of changing priorities, timelines and investment decisions.

The Objective

Diagnose the Real Failure Pattern

Turn 38 disconnected outage tickets into a small number of systemic root causes the business could actually act on.

Build a Defensible Baseline

Establish a codified cyber and operational resilience baseline ahead of ISO 27001, NIS2 and DORA obligations.

Restore Sustainable Delivery

Replace reactive firefighting with institutionalised testing, database discipline and a formal architecture practice.

Tools & Methodology: The NCS Edge

We utilised the best tools to solve this challenge:

38 Outages Mapped to 4 Root Clusters

A full operational health audit that turned a year of firefighting into a small set of systemic, addressable failure patterns.

42 Architectural Timebombs Identified

Latent risk across data, infrastructure and process surfaced and sequenced before it could trigger the next incident.

6 Tiger Team Workstreams

Specialist teams running in parallel across database, testing, incident triage, customer edge defence, regulatory alignment and architecture, with weekly executive playbacks.

ISO 27001, NIS2 and DORA Gap Analysis

Regulatory assurance built directly into the remediation programme rather than bolted on afterwards.

The Approach

Our team engineered a tailored solution to meet the unique needs of this engagement.

Mobilised specialist database engineering to calibrate parameters, decommission monolithic tables and implement automated partitioning and archival pipelines, addressing the severe lock contention and query starvation sitting behind the worst incidents.

The Approach

The Payoff: Rock-Solid Results

Here's what the client walked away with:

15 Sequenced Recommendations

Sequenced Recommendations, prioritised across Now, Next and Later horizons, giving the business a practical route to resilience rather than an overwhelming backlog.

Core Fiscal Engine Protected

Fiscal Engine Protected, shielded the platform against catastrophic downtime, safeguarding enterprise revenue and eliminating SLA contract breach risk across regulated European territories.

Hero Culture Eradicated

Culture Eradicated, replaced midnight firefighting with institutionalised OAT testing, database rightsizing and calibrated release rehearsal, restoring sustainable delivery for engineering teams.

Conclusion

The outages were never random, they were the predictable result of a start-up operating model meeting scale-up volumes, regulatory pressure and enterprise customer demand without the architecture, governance and delivery rhythm to match. NCS shifted the conversation from firefighting and isolated technical fixes to evidence-based diagnosis and prioritised investment, then handed over comprehensive database runbooks, OAT frameworks and service improvement backlogs directly to the in-house team, leaving a platform genuinely capable of supporting a cloud compliance product at scale.

Is success starting to expose the architecture underneath your platform?

Contact NCS for an independent operational and cyber resilience triage before the next outage makes the decision for you.

Talk to NCS