OSV operators’ triple threat: GPS jamming, cyber gaps and crew skills crisis

In some regions, signal interference has become so commonplace that isolated incidents scarcely merit a log entry, delegates reported. Cyber-security checks remain inconsistent, often postponed until charterers or regulators insist. And a new generation of dynamic-positioning officers, trained amid automation, can find itself exposed when the electronics falter, and old-fashioned shiphandling is suddenly back in charge.

GPS jamming is now just Tuesday

A show-of-hands survey split the room roughly three ways: some vessel operators reported multiple GPS jamming or spoofing incidents requiring backup positioning systems; others had seen isolated events; and a third group reported no confirmed interference, though several noted they do not operate in the affected regions.

The Eastern Mediterranean, Black Sea and waters off Yemen came up repeatedly. Electronic warfare has moved from an edge case to an everyday hazard in those areas. Vessels in DP mode during drilling or construction support must transition to alternative reference systems without losing station. That means terrestrial sources or rig-mounted transponders, and it means co-ordination with clients to make sure backup infrastructure actually works when needed.

One participant described receiving a call from insurers insisting a vessel was in Yemeni territorial waters, travelling at 50 knots. It wasn’t. GPS spoofing had corrupted the position data being transmitted ashore, triggering alarms and confusion until the crew confirmed their actual location.

The technical fix is relatively straightforward, but the human element is harder. Industry sources at the meeting suggested that younger DP operators often lack the manual positioning skills that were standard among earlier generations. Several attendees pressed the point that crews must understand vessel behaviour and spatial awareness. A vessel is not a dot on a chart. It occupies a physical domain that changes with wind, current and thruster response.

Simulator training helps, but it is not enough. Real-world drills using visual and radar references were described as essential to maintaining operational resilience, yet they are not always prioritised. The competency gap is widening, not closing.

Cyber assessments are patchy at best

When asked whether they had conducted third-party cyber vulnerability assessments of DP systems within the past year, responses were mixed. A minority confirmed recent assessments; others were planning reviews or relying on original equipment manufacturer security certifications; and a notable proportion had done nothing, in part because class societies and charterers have not yet made assessments mandatory.

Cyber notation for newbuilds is now required by several classification societies, and indicative compliance costs for larger offshore construction and accommodation vessels run into seven figures. For existing tonnage, the picture is more fragmented. Vessel owners and operators are weighing the cost and complexity of retrofitting older vessels against the evolving expectations of charterers, particularly in markets where clients are starting to specify cyber resilience as a contractual precondition.

The most common attack vectors are vessel-network intrusions through crew connectivity, supplier remote access and satellite-communication compromise. Network segmentation alone does not adequately address these threats. The proliferation of onboard systems, such as CCTV, environmental monitoring and real-time client data feeds, has expanded the attack surface considerably. Many vessels still operate with legacy IT architectures that were never designed with cyber security in mind.

Geopolitical disruption tests decision-making under pressure

The discussion touched on recent political transitions in Venezuela and what it means to operate in jurisdictions subject to a sudden regime change or international sanctions. No vessel operators reported significant connectivity or operational disruption during the January transition, but the broader point landed. The offshore sector increasingly operates in regions where geopolitical volatility is normal.

Resilience in such environments depends less on accumulating more data streams and more on empowering onboard leadership to make rapid decisions with the information available. Shore-based teams must trust masters and senior officers to assess conditions locally and act without waiting for remote approval.

Social media blackouts and communications restrictions during political crises complicate crew welfare management, particularly when families ashore are anxious for contact. Vessel operators described balancing operational security with crew expectations of regular contact with home. The advice given to seafarers was pragmatic. Maintain communication with family where possible, but avoid any public commentary or social media activity that could draw unwanted attention to the vessel.

Brazil sets the bar for costly compliance

The Brazilian offshore market provided a case study in escalating technology costs. Operators serving major charterers in that jurisdiction reported modification timelines of two to three months per vessel and capital expenditures in the range of US$3M to US$4M. Upgrades include extensive CCTV coverage with live streaming to shore-based operations centres, artificial intelligence-enabled monitoring, client-specific interface requirements and redundant satellite connectivity.

These specifications are non-negotiable. Vessels that cannot meet the technical and compliance standards are simply not licensed to trade. Modifications are generally treated as part of the competitive day rate rather than separately compensated, so the financial burden falls squarely on owners and operators. Some of the investment is reversible between contracts, but much of it becomes a permanent feature of the vessel.

Operating costs add up quickly. Participants described maintaining multiple satellite links solely to provide backup internet access for client representatives, even when those links see little active use. The volume of data transmitted from accommodation vessels has made connectivity a substantial line item in vessel operating expenses. Real-time video, environmental sensors, client telemetry. It all adds up.