Compliance and Audit

Cyber Security Maturity Model and Strategy

ONGSEC measures your organisation's cyber security maturity objectively and builds an improvement roadmap against best-practice frameworks. The aim is for security investment to rest on measurement rather than on intuition.

NIST CSFCIS ControlsISO 27001 Annex AMaturity score
01

Maturity Assessment Frameworks

  • NIST Cybersecurity Framework (CSF) assessment by function and category
  • C2M2 (Cybersecurity Capability Maturity Model) domain-based maturity measurement
  • Assessment by CIS Controls implementation group (IG1/IG2/IG3)
  • ISO/IEC 27001 control conformity and maturity scoring
  • MITRE ATT&CK based detection capability and attack surface assessment
  • Sector benchmarking and comparison with peer organisations
02

Assessment Method

  • Document review, technical evidence collection and configuration audit
  • Structured interviews with process owners and observation studies
  • Verifying that technical controls actually work — not merely on paper
  • Scoring current and target maturity level for each control
  • Relating findings to risk and business impact
03

Improvement and Implementation

  • Identification and prioritisation of technical and administrative control gaps
  • Separation of quick wins from medium- and long-term investments
  • Multi-year roadmap aligned with budget and resource planning
  • Definition of security metrics and a KPI set
  • Board-level maturity and risk reports in accessible language
  • Periodic re-measurement and tracking of the improvement curve
04

Turnkey Transformation Projects

  • SOC centre: design, technology selection, deployment, commissioning and team enablement
  • Turnkey SIEM / SOAR deployment projects
  • Phased transition programme to Zero Trust architecture
  • Identity and access management transformation programme
  • Full-scope cyber security transformation and modernisation projects
  • Turnkey data centre and network modernisation projects

Typical deliverables

  • Maturity assessment report
  • Gap analysis
  • Prioritised roadmap
  • Budget proposal

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