Context

A national-scale security operations mandate required a production SOC protecting critical infrastructure across multiple sectors — with no high-availability monitoring platform, no structured detection and response model and no automation path from alert intake to analyst action. Legacy tooling and siloed telemetry left material blind spots across government-facing and sector-critical estates, with incident handling dependent on manual coordination rather than repeatable playbooks.

Outcome

National SOC designed and implemented from greenfield — high-availability SIEM cluster (99.99% SLA target), integrated with a service-oriented SOAR platform and open-source security stack.

Threat intelligence feeds operationalised — MISP, OpenCTI, Shadowserver and OTX-class enrichment embedded into detection workflows.

150+ correlation rules deployed; false-positive rate reduced through tuned use cases and tiered triage.

95% of Tier-1 alerts automated via optimised playbooks — accelerating response while preserving analyst capacity for higher-severity events.

24/7 monitoring and protection established across three critical sectors — proactive defence framework with measurable operational KPIs.

National-scale detection and response capability operational — resilient monitoring, intelligence-driven alerting and automation-backed incident handling suitable for supervisory and cross-agency coordination contexts.

Frameworks referenced in this engagement:
  • ISO/IEC 27001
  • NIS2
  • GDPR

04 Managed Security Service Provider

Managed SOC monitoring and detection with CSIRT incident coordination under agreed SLAs — without building a full in-house operations stack first.

06 Security Architecture & Hardening

Security architecture, segmentation, hardening and monitoring baselines for cloud and on-premises platforms. Independent assurance of the resulting controls is scoped separately when required.

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