Infrastructure & Systems Resilience

Who We Are

Obventum Cyber Security is a leading offensive security partner with operations across Croatia, the Netherlands, and wider Europe. Our mission is to help organizations protect their most critical systems by simulating advanced cyberattacks before real adversaries strike. We specialize in infrastructure resilience testing, ensuring that businesses and institutions can withstand disruptions, contain incidents, and recover without catastrophic losses.

Over the years, we have worked closely with governmental and private organizations across multiple sectors, including:

• Government & Public Sector – ministries, municipalities, and public service platforms.
• Finance & Banking – regional banks, fintech providers, and payment processors.
• Healthcare – hospitals, clinics, and patient data management systems.
• Telecommunications & Utilities – ISPs, power grid operators, and water supply systems.
• Manufacturing & Logistics – supply chain providers, warehousing hubs, and exporters.
• Education & Research – universities, schools, and scientific research institutions.

By engaging with both public administration in Croatia and leading enterprises in the Netherlands, we’ve strengthened the digital resilience of organizations that form the backbone of society.

Why Infrastructure Resilience Matters

Cyberattacks in Europe are escalating. Ransomware gangs specifically target midsized and large businesses in Croatiaand the Netherlands, knowing that downtime in sectors like healthcare, banking, or logistics can cripple entire regions. A single breach may cause millions in damages, disrupt essential services, and erode public trust.

Traditional security controls are not enough. Firewalls, antivirus, and monitoring systems may detect threats — but they do not prove whether your systems can resist, contain, and recover from a determined adversary. That’s where our Infrastructure & Systems Resilience assessments provide unmatched value.

Our Methodology

• Adversary Simulation Testing
  We replicate real-world ransomware gangs, insider threats, and nation-state actors. This allows organizations to experience how attackers move across infrastructure, escalate privileges, and attempt to cripple operations.
• Cloud & Hybrid Security Validation
  Many organizations in Croatia and the Netherlands are moving to Azure, AWS, or hybrid environments. We test misconfigurations, weak identity practices, and resilience in cloud-native workloads while ensuring integration with on-premise systems is secure.
• Lockdown & Recovery Drills
  Our assessments simulate “worst case” scenarios — ransomware outbreaks, account compromises, and critical service outages. We validate whether you can isolate threats, recover backups, and restore operations within acceptable downtime windows.
• Framework-Aligned Testing
  We align with global standards such as MITRE ATT&CK, OWASP, NIST CSF, and CIS Benchmarks, ensuring every test delivers actionable, measurable outcomes that improve resilience.

Client Impact Example

A Dutch logistics company with major operations in Croatia faced repeated outages and suspected breach attempts. Their infrastructure supported customs clearance, warehousing, and distribution, meaning downtime would directly impact trade across borders.

Obventum conducted a full infrastructure resilience test and discovered:

• Weak VPN segmentation allowed lateral attacker movement.
• Backup servers lacked ransomware protection.
• No automated response workflows existed to contain compromised endpoints.

We simulated a double-extortion ransomware attack — and revealed their systems would remain offline for 72 hours, halting supply chains across both Croatia and the Netherlands.

Following our recommendations, they implemented stronger identity controls, offline backup strategies, and rapid lockdown capabilities. A follow-up assessment reduced their recovery window to under 4 hours, securing both compliance and business continuity.

Results Across Sectors

Our engagements across Croatia and the Netherlands have delivered measurable improvements in:

• Government agencies – protection of citizen data and continuity of essential e-services.
• Healthcare institutions – resilience against ransomware threatening patient safety.
• Banks and fintech providers – securing payment infrastructure and regulatory compliance.
• Logistics & manufacturing hubs – safeguarding just-in-time supply chains from costly downtime.
• Universities & research institutions – protecting intellectual property and sensitive research data.

In every case, clients gained actionable insights, improved resilience strategies, and the confidence to face today’s evolving cyber threat landscape.

What Our Clients Say

“Obventum helped us understand how exposed we really were. Their infrastructure resilience test simulated exactly what ransomware gangs are doing in Europe today. We came out with clear fixes, faster recovery times, and much stronger confidence in our defenses.”