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Pen Testing

Keeping up with the ever-changing threat landscape

Protect your business from security threats

The only way to truly validate your defences is to test them against real-world attack techniques.

Pure Networks offer both manual and autonomous penetration testing services simulating the tactics, techniques and procedures used by today’s most sophisticated threat actors, giving you a clear, evidence-based picture of your security posture.

As a Horizon3.ai partner, Pure Networks offers autonomous penetration testing, bringing continuous, scalable validation to organisations that need more than annual point-in-time assessments.

Introducing Horizon3.ai NodeZero — Autonomous Penetration Testing, Powered by AI Delivered to you by Pure Networks

The problem with traditional security testing

Most organisations run a penetration test once or twice a year. A consultant arrives, spends a few days probing your network, hands you a report full of findings — and by the time your team has worked through the backlog, your environment has changed and new exposures have appeared. It’s a snapshot of a moment that no longer exists.

Horizon3.ai was founded to solve this. Their NodeZero platform autonomously executes real attack techniques, without agents or disruption, proactively showing exactly how attackers move, what they access, how to stop them, and verifying fixes instantly.

What is NodeZero?

NodeZero delivers production-safe autonomous penetration tests and other key assessment operations that scale across your largest internal, external, cloud, and hybrid cloud environments — no required agents, no code to write, and no consultants to hire.

The core loop is simple: find, fix, verify — continuously.

NodeZero pivots through your network, chaining together weaknesses just as an attacker would, and then safely exploits them. It uncovers blind spots that go beyond known and patchable vulnerabilities — including easily compromised credentials, exposed data, misconfigurations, poor security controls, and weak policies. Horizon3

When the test is complete, the results are prioritised for immediate action. The dashboard reveals your critical weaknesses, their impact to your organisation, and provides detailed remediation guidance for addressing them at a systemic level as well as individually.

Why it matters for your business

NodeZero learns from hundreds of thousands of autonomous tests in production, outpacing the collective history of manual pentesting in just one year, and has achieved zero downtime across all production tests.

The business case is straightforward. NodeZero delivers an estimated £6.78M annual cost avoidance by replacing traditional pentests, reducing scanner costs, and boosting security operations efficiency. More importantly, it shifts your security programme from reactive to proactive — closing proven attack paths rather than managing an ever-growing list of theoretical risks.

How Pure Networks delivers this to you

As a trusted partner, Pure Networks brings Horizon3.ai’s NodeZero platform to businesses across Ireland and the UK, handling deployment, onboarding, and ongoing support so your team can focus on acting on the results, not managing the tool.

Whether you need a one-off assessment to understand your current exposure or a continuous programme running alongside your existing security stack, we’ll design the right approach for your organisation.

Pen testing and compliance

For Irish organisations, penetration testing is fast becoming a compliance necessity, not just a security best practice. Under GDPR, businesses are already required to implement appropriate technical measures to protect personal data – and the Data Protection Commission expects organisations to be able to demonstrate that those measures have been tested and are effective. The bigger shift, however, is coming through NIS2. The Irish Government is transposing the NIS2 Directive into law, with penalties enforced from 2026, bringing around 4,000 Irish organisations into scope and requiring them to adopt strict cybersecurity risk management measures. NIS2 raises the bar for critical infrastructure and essential services, requiring ongoing risk management, testing, and incident readiness – and without documented penetration test results, organisations may find themselves out of compliance as regulators tighten enforcement. For organisations in financial services, DORA goes further still, explicitly requiring financial entities to conduct threat-led penetration testing at a minimum of every three years. The message for Irish businesses is clear: the question is no longer whether you should be running regular penetration tests, but whether you can prove you are.

The core capabilities

  • Internal Penetration Testing
    In an internal pentest, NodeZero takes the perspective of an attacker or malicious insider who has already gained access to your internal network. It autonomously discovers and exploits weaknesses, moving laterally through your environment by compromising credentials and chaining weaknesses to demonstrate the types of impacts attackers seek. It can also incorporate open-source intelligence (OSINT) — gathering publicly available information about your organisation and using it in the test, just as a real-world attacker would.

  • External Penetration Testing
    NodeZero helps you proactively find, fix, and verify exploitable attack paths resulting from weak credentials, misconfigurations, and vulnerabilities. Its Asset Discovery capability uses DNS and other OSINT-gathering techniques to find all assets linked to your organisation — including things you may not know are publicly visible.

  • Cloud Penetration Testing
    NodeZero simplifies cloud security with visibility from various perspectives into your vulnerabilities, identity and access management (IAM) weaknesses, and misconfigurations in Amazon Web Services (AWS), Azure, and Kubernetes. It can pivot between on-premises and cloud environments to show how an attacker might chain the two together — including attack paths that compromise Microsoft Azure Entra ID.

  • Web Application Penetration Testing
    Attackers rarely “hack in” , they log in using compromised credentials, abuse application logic to escalate privileges, then pivot from the application into underlying infrastructure. NodeZero safely executes these real attack paths across internally and externally facing applications, identity, and infrastructure, showing how a single foothold becomes data exposure, host takeover, or domain compromise.

  • Active Directory Password Audit
    NodeZero’s AD Password Audit continually verifies the effectiveness of your credential policies. Weak, reused, or crackable passwords are one of the most common ways attackers gain a foothold, this capability gives you ongoing assurance that your password hygiene is holding up against real-world attack techniques.

  • NodeZero Tripwires™ — turning attack paths into early warnings
    NodeZero Tripwires integrates seamlessly with autonomous pentesting, adding an extra layer of early threat detection to your security stack. These tripwires act as decoys — appearing as legitimate files or credentials within your environment. During a pentest, NodeZero automatically places them along critical attack paths based on identified vulnerabilities. If a malicious actor triggers one of these tripwires, you’ll be immediately alerted, allowing for rapid response and containment.

    The most recent addition, Active Directory Tripwires, takes this further. Privilege escalation almost always happens through identity-driven techniques – cached tokens, Kerberos ticket reuse, weak trust relationships, or misconfigurations. Traditional tools miss these moves because they blend into normal logs, leaving defenders blind until it’s too late. AD Tripwires give defenders the ability to detect those types of identity attacks as they happen in production, with each alert including the compromised identity, the attack path that led there, and how the adversary attempted to use it, enabling faster and more precise incident response.

  • NodeZero Insights™ — security posture at a glance
    NodeZero Insights transforms raw security data into actionable governance, risk, and compliance (GRC) intelligence, aggregating, analysing, and prioritising vulnerabilities based on exploitability and impact, and equipping organisations with clear, real-world perspectives on their security posture. For organisations that need to report to a board, satisfy an auditor, or demonstrate compliance with frameworks like ISO 27001, NIST, or CMMC, Insights provides the evidence layer to back it up.

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