Strengthening IT Governance & Security For a Financial Institution

For financial institutions, IT maturity is not just a technical measure. It is a governance, compliance, and enterprise risk measure.

This organization had capable internal IT leadership, but the operating environment had outgrown a reactive support model. The institution needed stronger controls, clearer documentation, modernized infrastructure, and better security visibility without adding permanent fixed cost.

Modernization pressure was landing on the same team responsible for daily continuity.

Internal IT leadership faced simultaneous pressure to modernize infrastructure, strengthen security posture, formalize governance, and maintain uninterrupted daily operations.

Hiring additional full-time staff would have increased fixed costs without solving the structural issue. The organization required scalable reinforcement, not permanent headcount expansion.

Key Risk Areas

  • Manual identity management and inconsistent access controls
  • Limited audit-ready documentation
  • Documentation dependent on institutional knowledge
  • Inconsistent file share permissions
  • Insufficient event monitoring for compliance

ATG embedded a six-person team alongside internal IT.

ATG deployed ATLAS™, its co-managed IT operating system, embedding dedicated technical capacity without displacing internal ownership.

Embedded Team

System Administrator + Junior System Administrator

Service Desk Lead + three Level II Technicians


All service operated under ATG’s 3|29 Response Standard:

The engagement was flexible, scalable, budget-aligned, and non-disruptive to internal IT ownership.

Infrastructure & Governance

Communications

  • Migration from Cisco Unified Call Manager to WebEx
  • Support for new office expansion
Identity & Access

  • Single Sign-On across mission-critical applications
  • Microsoft 365 Conditional Access + Identity Threat Detection & Response
  • File share permission overhaul + automated group-based drive mapping
Compliance & Monitoring

  • SIEM deployment, scheduled phishing campaigns, and security awareness training
Operational Continuity

  • Formalized documentation standards and structured policy development

The work moved IT from pressure relief to governed performance.

  • Modernized and secured infrastructure
  • SIEM-driven centralized monitoring
  • Successful enterprise VoIP migration
  • Reduced IT-related organizational friction
  • Hardened security posture aligned with compliance expectations
  • Standardized identity and access governance
  • Seamless support for office expansion
  • Restored IT peace of mind for executive leadership

A win for governance. A win for compliance.
A win for IT leadership.