DNK Launches Anti-GNSS Interference Program for Norwegian Ships
Severity: Medium (Score: 56.0)
Sources: En.Portnews.Ru, Gpsworld
Published: · Updated:
Keywords: ships, offers, premium, rebates, norwegian, norske, krigsforsikring
Summary
DNK has introduced a program to protect Norwegian-owned vessels from GNSS interference, offering premium rebates for adopting Iridium-backed anti-spoofing technology. The initiative addresses a significant rise in GNSS signal interference, particularly in conflict-prone areas like the Black Sea and Persian Gulf. By utilizing Iridium's low-Earth orbit satellite network, the program provides assured positioning and timing services to enhance maritime safety. The technology aims to alert crews to potential jamming or spoofing incidents, which can lead to dangerous navigational errors. This program is supported by Norwegian authorities and aims to collect data on interference to assist stakeholders in high-risk zones. The initiative reflects a growing concern over maritime security and the need for resilient navigation systems. Key Points: • DNK's new program offers premium rebates for ships adopting anti-spoofing technology. • The initiative targets GNSS interference, particularly in conflict areas like the Black Sea. • Iridium's satellite network provides a robust alternative to traditional GNSS signals.
Detailed Analysis
**Impact** Norwegian-owned or controlled vessels operating in high-risk maritime regions including the Black Sea, Baltic Sea, Persian Gulf, and Red Sea are affected by increasing GNSS interference. The interference risks collision, grounding, and compromised safety systems, potentially leading ships into sanctioned or restricted zones. DNK’s program targets its members—primarily shipping and offshore sectors covered by war-risk insurance—offering premium rebates for adopting anti-spoofing technology. Data on interference incidents will be collected and shared with owners, managers, and stakeholders in emerging conflict zones. **Technical Details** The attack vector involves GNSS jamming and spoofing, which degrade or manipulate satellite-based positioning and timing signals critical for maritime navigation and onboard digital systems. The program uses Iridium Communications’ low-Earth orbit satellite network as an alternative, leveraging its stronger signal (1,000 times more powerful than GNSS) to provide assured positioning and timing (A-PNT). Participating systems include Above Deck Units transmitting jamming/spoofing telemetry and optional Below Deck Units delivering real-time situational awareness. No specific malware, CVEs, or IOCs are mentioned. **Recommended Response** Defenders should deploy and integrate Iridium-backed A-PNT systems approved by DNK to complement GNSS and AIS, enabling detection and alerting of jamming or spoofing attempts. Shipping operators should configure hardware to transmit interference telemetry to DNK for centralized monitoring and data sharing. Continuous monitoring for GNSS anomalies and cross-verification with independent Iridium positioning data is advised. No patching or malware-specific mitigations are indicated in the available information.
Source articles (2)
- DNK offers premium rebates for Norwegian ships adopting Iridium-backed anti — En.Portnews.Ru · 2026-05-20
Den Norske Krigsforsikring for Skib has launched a resilience programme for Norwegian-owned or controlled ships, offering premium rebates to members that adopt approved anti-spoofing technology, accor… - DNK offers program to protect ships from GNSS interference — Gpsworld · 2026-05-20
Norwegian insurer DNK will provide members with assured positioning, and timing (A-PNT) services using Iridium Communications’ low-Earth orbit satellite network. DNK, Den Norske Krigsforsikring for Sk…
Timeline
- 2026-05-20 — DNK launches resilience program: DNK introduces a program for Norwegian ships to adopt anti-spoofing technology, offering premium rebates.
- 2026-05-20 — Increase in GNSS interference reported: DNK CEO Svein Ringbakken notes a sharp rise in GNSS interference incidents in the Black Sea and Persian Gulf.
Related entities
- Man-in-the-Middle (Attack Type)
- Above Deck Unit (Platform)
- AIS (Platform)
- Below Deck Unit (Platform)
- GNSS (Platform)
- GPS (Platform)
- Iridium (Platform)