Brian Nelson

Sept. 19, 2025, 8:13 a.m.

Rising Cybersecurity Risks to Maritime Port Infrastructure

Maritime ports are vital to global trade and national security, serving as critical hubs for logistics and supply chains. However, as ports increasingly adopt digital technologies, they face a growing wave of cyber threats that could disrupt operations and compromise safety. A recent report from NATO’s Cooperative Cyber Defence Centre of Excellence (CCDCOE) underscores the urgent need for enhanced cybersecurity measures to protect port infrastructure from state-sponsored actors, cybercriminals, and hacktivists. This article explores these risks and offers practical insights for maritime professionals to strengthen port cybersecurity.

The Growing Cyber Threat Landscape

Ports are prime targets for cyberattacks due to their strategic importance. The CCDCOE report reveals that nearly all NATO and partner nations surveyed have experienced cyberattacks on their port infrastructure over the past five years. These attacks target critical systems such as access control mechanisms, vessel traffic management tools, and cargo handling operations, which are increasingly interconnected as ports embrace digitalization.

State-sponsored actors from countries like Russia, China, and Iran have been linked to sophisticated campaigns targeting port systems. Additionally, financially motivated cybercriminals and politically driven hacktivist groups have exploited vulnerabilities to disrupt operations. For example, ransomware attacks have halted operations at oil terminals in Belgium and Germany, while distributed denial-of-service (DDoS) attacks have targeted major European ports like Rotterdam, Gdynia, and Felixstowe.

Vulnerabilities in Legacy Systems

Many ports rely on legacy operational technology (OT) not originally designed for internet connectivity. As these systems are integrated with modern information and communication technology (ICT) networks, new vulnerabilities emerge. Poor network segmentation between OT and ICT systems can allow malware to spread rapidly, as demonstrated by the 2017 NotPetya attack. This malware caused approximately $300 million in losses for Maersk and disrupted operations at multiple global ports, highlighting the severe consequences of inadequate cybersecurity measures.

The CCDCOE emphasizes that legacy systems, combined with the rapid pace of digital transformation, create significant risks. Without proper safeguards, a single breach can cascade across interconnected systems, affecting not only port operations but also critical infrastructure like power grids and communication networks.

The Need for Civil-Military Collaboration

Despite the critical role ports play in NATO’s defense logistics, the current NATO Maritime Strategy does not fully integrate commercial port operators into its cybersecurity frameworks. The CCDCOE calls for a revised strategy that prioritizes cybersecurity as a core component of maritime security. This includes establishing clear mechanisms for collaboration between military commands and civilian port stakeholders.

To address these gaps, the report proposes creating dedicated liaison roles to connect NATO’s Maritime Command with national port cybersecurity authorities. It also recommends forming intelligence-sharing networks focused on maritime-specific threats and establishing working groups under the International Maritime Organization (IMO) to standardize cybersecurity practices across the sector.

Recommendations for Maritime Professionals

Maritime professionals, including port operators and seafarers, play a crucial role in building cyber resilience. Here are key steps to strengthen port cybersecurity:

  1. Enhance Network Segmentation: Ensure clear separation between OT and ICT systems to prevent malware from spreading across networks.
  2. Update Legacy Systems: Gradually replace outdated technologies with secure, internet-compatible alternatives, and implement regular software updates and patches.
  3. Conduct Regular Training: Educate staff on recognizing phishing attempts, managing secure passwords, and following cybersecurity best practices.
  4. Develop Incident Response Plans: Create and test response strategies to minimize downtime and damage during a cyberattack.
  5. Collaborate with Authorities: Work closely with national and international cybersecurity agencies to share threat intelligence and align with industry standards.

The Broader Impact on Maritime Operations

Ports are not isolated entities; they rely on interconnected infrastructure, including power, telecommunications, and transportation networks. A cyberattack on any of these systems can disrupt port operations, leading to delays, financial losses, and potential safety risks. For example, a compromised vessel traffic management system could cause navigation errors, while a breach in access control systems might allow unauthorized entry to restricted areas.

The maritime sector’s rapid digital transformation offers significant benefits, such as improved efficiency and real-time data sharing. However, without robust cybersecurity measures, these advancements can become liabilities. Ports must adopt a holistic approach to cyber resilience, ensuring that both physical and digital infrastructure are protected.

Moving Forward

The maritime industry must prioritize cybersecurity to safeguard critical infrastructure and maintain operational continuity. By fostering collaboration between civilian and military stakeholders, adopting standardized cybersecurity practices, and investing in modern technologies, ports can better defend against evolving threats. Maritime professionals are encouraged to stay informed about cyber risks and advocate for stronger security measures within their organizations.

Source: smartmaritimenetwork.com



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