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Cyber Security Networks & Security

Incident Response

Expert‑led incident response combining automation and Microsoft security technologies to contain threats.

Masthead 4-May-01-2026-04-28-24-6337-PM

Restore Control, Limit Damage

Our incident response brings your leadership team clarity and speed when it matters most. We contain active threats, coordinate recovery, and harden your estate using a Microsoft‑aligned approach that blends human expertise with automation across Microsoft Sentinel, Defender XDR and Entra ID.

The result is reduced downtime, lower risk exposure and a faster return to normal operations.

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The Problems We're Solving

A poor understanding of breach points delays containment
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Unclear roles prolong decisions and communications
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Recovery plans are untested or run out of sequence
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What This Means for Your Business

Available 24/7/365
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If the worst should happen, our consultants offer advice remotely within the first hour, before deploying onsite within 24 hours.

Partnership
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Our experts offer the skills that you would need to deal with incidents and their effects efficiently and expediently.

Skills second to none
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The availability of individuals from backgrounds at the highest levels of UK, US and European law enforcement.

Quicker than IR services through insurance
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IR specialists provided by your insurance company can often be slower to react effectively without that knowledge of your IT environment.

Meet the Security Doctors

Our experts have an in-depth understanding of the different attack vectors that can be used to target and exploit customer vulnerabilities. Our Security Operations Team are connected to global intelligence centres that help ensure our threat intelligence stays ahead of the threat.

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Incident Response, Led By Us

Our incident response combines 24x7 analyst coverage and business‑level leadership. We stabilise the situation, contain the threat, coordinate technical recovery, and guide post‑incident improvements.

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    Threat containment & coordination

    Immediate triage, scoping and containment actions across identities, endpoints and cloud. We coordinate stakeholders, advise how to stay ahead of the story, and protect evidence for any legal or regulatory needs.

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    Detection, enrichment & automation

    We leverage forensics and proven playbooks to orchestrate actions and accelerate time to containment.

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    Recovery & resilience

    We support technical restoration, root‑cause analysis and a practical hardening plan that aligns controls with real attack paths and identity risk signals.

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Closer Still Media

CloserStill Media runs content‑driven B2B events across tech, healthcare, transport, HR, and education in global hubs.

Why Node4?

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Rapid Mobilisation
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When an incident hits, speed is everything. Our UK‑based security specialists mobilise immediately, bringing structure and clarity to chaotic moments. You get an experienced Incident Manager to coordinate containment, recovery and communications from the first call.

Clear Leadership & Coordination
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We take the pressure off internal teams by running the response end‑to‑end: guiding technical containment, aligning stakeholders, managing communications and ensuring every action is documented. You get governance, not guesswork.

Evidence‑Led Investigation
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Our analysts consolidate signals from across your estate to reconstruct the attack path, validate impact and preserve evidence for compliance, legal or insurance needs. You walk away with a timeline, root cause analysis and practical recommendations.

Resilience Beyond Recovery
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We don’t just close the incident, we help close the gaps. You receive a targeted hardening plan, informed by real attack behaviour, ensuring your business becomes stronger and more resilient after every event.

Accreditations & Certifications

Lets talk security

When every minute counts, you need a calm, experienced team working your tools with your outcomes in mind. Let’s stabilise the situation, contain the threat and build back stronger. 

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