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Managed Detection & Response

Managed SIEM

A SIEM is only as good as the logs it ingests and the rules it runs. We design, deploy, tune and operate yours — so it produces real detections and audit-ready evidence.

Always-on monitoring LIVE

  • Platform-agnostic deployment
  • Log source onboarding & parsing
  • MITRE ATT&CK-mapped content
  • Retention aligned to compliance

Overview

Many organisations buy a SIEM and end up with an expensive log archive: missing sources, broken parsers, thousands of untuned alerts and nobody with time to maintain it. Our Managed SIEM service fixes that by treating the SIEM as a living detection platform.

We start by mapping the log sources that matter — identity, endpoint, cloud control planes, firewalls, VPN, email and critical applications — then onboard, normalise and validate them. Detection content is mapped to MITRE ATT&CK and tuned to your environment so that every alert is worth an analyst's time.

Managed SIEM can run on its own, with your internal team responding, or as the foundation of our 24/7 Managed SOC.

What's included

Architecture & sizingPlatform selection or review, data volumes, retention and cost optimisation.
Log onboardingIdentity, endpoint, cloud, network, email and application sources with parsing validation.
Detection engineeringCorrelation rules and analytics mapped to MITRE ATT&CK and your threat model.
Tuning & healthNoise reduction, false-positive suppression and log-source health monitoring.
Dashboards & reportsExecutive, operational and compliance dashboards.
Retention & evidenceRetention policies and evidence packs for PCI DSS, ISO 27001, SOC 2 and CERT-In.

Our approach

  1. AssessReview existing SIEM, log sources, use cases and gaps.
  2. DesignDefine log strategy, retention, data model and priority use cases.
  3. OnboardConnect and parse log sources, validate data quality.
  4. DetectDeploy and tune detection content against real activity.
  5. OperateOngoing health monitoring, content updates and monthly reviews.

What you receive

  • Log source coverage map
  • Detection use-case library mapped to ATT&CK
  • Tuned, documented correlation rules
  • Health and data-quality monitoring
  • Monthly SIEM service report

Standards & frameworks

  • MITRE ATT&CK
  • PCI DSS Req. 10
  • ISO/IEC 27001 A.8.15/A.8.16
  • CERT-In 180-day log retention
  • NIST SP 800-92

Frequently asked questions

Which SIEM platforms do you support?

We work with leading commercial and open-source SIEM and security analytics platforms, and can recommend one if you don't have a SIEM yet.

What is the difference between Managed SIEM and Managed SOC?

Managed SIEM runs and tunes the platform; Managed SOC adds 24/7 analysts who triage, investigate and respond to what the SIEM detects.

Can you help reduce SIEM licensing costs?

Yes. Log filtering, tiered storage and use-case-driven onboarding often reduce ingestion volumes significantly without losing detection value.

Engagement timeline

What working with us looks like

Typical timeline for Managed SIEM — we confirm exact dates in your proposal.

01Day 0Kick-offGoals, assets, contacts and escalation paths
02Week 1–2OnboardIntegrate log sources, tools and runbooks
03Week 3–4TuneBaseline, reduce noise, validate detections
04Month 1+Operate24/7 monitoring, triage and response
05MonthlyReviewService report and improvement plan
Sample report

Monthly reporting your leadership will read

  • Alert volumes, escalations and response times
  • Detection coverage mapped to MITRE ATT&CK
  • Top risks and recommended actions
  • Evidence pack for SOC 2, ISO 27001 and PCI DSS
Request a sample report

Ready to find your risks before attackers do?

Tell us what you need tested or monitored. A senior consultant replies within one business day with a scoped, fixed-price proposal.

  • Fixed-price proposal
  • Reply within 1 business day
  • NDA on request