Insurers brace for mega-claims as jamming and spoofing incidents ramp up – Seatrade Maritime News

September 30, 2026

Written by Editor

Image: Shutterstock

What’s new: A report that the insurance industry is increasingly concerned about the lack of resilient PNT, at least in maritime.

Why it’s important:

  • Maritime jamming and spoofing have caused ship collisions, fires, and groundings.
  • Sometimes insurers can influence their customers’ and government behavior more effectively than almost anyone. They have and can wield financial incentives.

What else to know: At the moment, the only insurer we know of that has actually done anything is DNK. They issue war-risk insurance to Norwegian vessels. They are offering discounts for their customers who use Iridium PNT to augment GPS.

Insurers brace for mega-claims as jamming and spoofing incidents ramp up

Deliberate interference with GNSS and merchant ships’ AIS is undermining navigational safety and a growing concern among insurers.

Paul Bartlett, Correspondent

As the scale and frequency of Global Navigation Satellite Systems (GNSS) interference continues to increase, navigation experts are warning that ships and their crews are facing unacceptable risks as they continue to service the supply chains of world trade.

The exponential rise in the use of powerful radio signals to overwhelm GNSS and global positioning systems – jamming – and false data that tricks ships’ systems into revealing a false position – spoofing – is occurring in key locations including maritime chokepoints.

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