Protect critical systems, reduce operational risk, and maintain trust.

DNX Defensive Security Services help organisations detect threats early, respond decisively, and maintain stable, secure operations. We provide continuous monitoring, incident response, and managed security capabilities that reduce uncertainty and protect business-critical platforms without overwhelming internal teams.

Cybersecurity is treated as an operational discipline, embedded into day-to-day operations and aligned to business risk, not a reactive afterthought.

What Is It?

Operational security that protects the business, not just the perimeter.

Defensive Security Services focus on continuous protection, detection, and response across cloud and hybrid environments. DNX acts as an extension of your team, providing 24/7 visibility, expert response, and managed controls that keep systems reliable, compliant, and resilient.

This is not just tooling. It is an operating model designed to reduce risk, limit disruption, and support confident growth.

Security Operations & Monitoring
Continuous visibility and response to reduce business impact.

SOC as-a-Service (24×7×365)

Round-the-clock monitoring and response to detect, investigate, and contain threats before they escalate into incidents.

Managed SIEM & Detection Engineering

Centralised logging, correlation, and alerting tuned to your environment, reducing noise and improving signal quality.

Threat Hunting & Threat Intelligence

Proactive identification of suspicious activity using intelligence-led techniques to uncover risks that automated tools miss.

Managed Detection & Response (MDR)

End-to-end threat detection, investigation, and response delivered by security experts to stop attacks quickly.

Managed Extended Detection & Response (MXDR)

Integrated threat detection and response across cloud, endpoints, and network environments, providing broader coverage and faster containment.

Managed Security Services
Reduce operational burden while strengthening protection.

Email Security & Phishing Defence

Protect users from the most common attack vector with detection, response, and user-focused controls.

Identity & Access Management (IAM, PAM, PIM)

Control access to critical systems, reduce credential misuse, and limit blast radius if compromise occurs.

Dark Web Monitoring

Identify exposed credentials and indicators of compromise linked to your organisation before they are exploited.

Vulnerability Management & Patch Strategy

Identify, prioritise, and remediate vulnerabilities based on business risk, not raw volume.

Application Whitelisting & Ringfencing

Prevent unauthorised applications from executing and isolate critical apps to reduce the impact of potential attacks.

Exposure Management & Attack Surface Management

Continuously assess and reduce your digital exposure to limit opportunities for attackers.

Cloud & Platform Security

Secure modern environments without slowing delivery.

Cloud Workload & Platform Monitoring

Continuous oversight of cloud-native environments to detect misconfigurations, threats, and risky behaviour.

SASE, DLP, and Zero Trust Controls

Advanced protection for distributed workforces and cloud-first architectures, aligned to modern operating models.
Potential Benefits

Operational security that supports reliability and growth

Reduced the likelihood and impact of incidents

Early detection and rapid response minimise downtime, data loss, and reputational damage.

Predictable security operations


Move from ad-hoc firefighting to a steady-state operating model with clear ownership and accountability

Lower operational burden on internal teams


Free internal staff from constant alert handling and tooling management while retaining visibility and control.

Improved resilience of critical platforms


Ensure cloud and hybrid systems remain stable, secure, and available as the business scales.

Clearer insight into security posture


Executives gain confidence through consistent reporting and visibility into threats, trends, and response effectiveness.

Security that aligns to business risk


Controls and response are prioritised based on impact to the business, not technical severity alone

FAQs

Defensive Security Services — executive questions answered

How is this different from buying security tools?
Tools generate alerts. Defensive Security Services provide outcomes. We combine technology, people, and processes to ensure threats are detected, prioritised, and acted on consistently.
No. You retain ownership and oversight. We operate transparently, with clear reporting, escalation paths, and decision boundaries aligned to your governance model.
Early detection and response reduce the likelihood of major incidents, unplanned outages, regulatory exposure, and costly recovery efforts.
No. Our approach is designed to protect production environments while enabling teams to move faster with confidence, not introducing friction.
Yes. We can augment, uplift, or fully operate defensive services depending on maturity and resourcing. The model is flexible.
We prioritise based on business impact, system criticality, and risk context, not just technical severity scores.
Yes. Our services are designed to support regulated industries and align with compliance, audit, and governance requirements.
Most organisations see immediate improvements in visibility, response times, and operational confidence within the first engagement.
Defensive Security operates the controls. GRC governs them. Offensive Security validates them. Together, they form a complete, integrated security model.
Fewer surprises, fewer incidents, faster response, clearer reporting, and leadership confidence that security is under control.
Case Studies

See how stronger security builds trust and unlocks growth

Explore how organisations across Australia have strengthened their security posture, accelerated growth, and improved customer confidence through security uplift and streamlined compliance processes. Explore how organisations across Australia have accelerated certifications, shortened sales cycles, and improved customer confidence through security uplift and automated compliance.