18North implemented a four-phase strategy:

A. Knowledge Transition & Environment Setup

• Rebuilt dev/test environments from available artifacts.

• Reverse-engineered functional behavior by stepping through UI and server logs.

• Conducted functional walkthroughs with client SMEs to map business intent.

B. Baselining & Testing

• Created structured documentation of flows, configurations, and known issues.

• Introduced a defect triage model to classify severity and recurrence frequency.

• Delivered test plans covering core ISO document flows, audit triggers, and notifications.

C. Defect Resolution

• Focused on  top-priority defects impacting production stability.

• Conducted root cause analysis and deployed patches within 2-week window.

• Established a release protocol for defect fixes with rollback and audit trail readiness.

D. Continuous Maintenance & Enhancements

• Took ownership of enhancement backlog.

• Delivered new features on top of stabilized modules.

• Recommended and introduced code refactoring opportunities during enhancements.
• Introduced basic monitoring and logging layers for long-term sustainability.