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World risk · Technology and cyber · Russia, Ukraine & NATO

Norway blames a state for damage to a subsea cable or pipeline

The test Between 26 Oct 2026 and 25 Oct 2027, the Norwegian government, police or security police publicly attribute damage to a subsea cable or pipeline on the Norwegian shelf, or to or around Svalbard, to a foreign state or to people acting for one.

Not under way · Confidence: low · Reviewed 26 Oct 2026 · Scores from 1 to 10

This page answers: What could happen, how it is scored, and who is exposed?

Using this page
  1. Read the two scores: Likelihood and Impact are kept apart.
  2. Check what is happening, each fact with its source.
  3. Use the calendar for the dates to watch.

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Likelihood
3Low steady this month
Impact
3Low steady this month
Breadth4
Depth1
Duration4
Hard to substitute4
Canada pointNot added0

Impact is the average of the four parts, rounded, plus one point when Canada is directly hit on two or more channels, up to 10.

Two separate scales from 1 to 10. Strature never multiplies or merges them.

What changed

Dated, newest first

  1. Gassco: 8,600 km of gas pipelines on the Norwegian shelf carry gas to Europe [1]
  2. PST director Hoffmann to NRK: Russia is trying to map Norwegian ports, communications cables and seabed oil and gas pipelines. [10]
  3. PST: Russian intelligence keeps seeking information on coastal and seabed infrastructure; research vessels may serve as cover; vessels may prepare sabotage. [4]
  4. Russian submarines reportedly simulated disabling undersea cables near Svalbard in spring 2026; Norway, the UK and the US thwarted it (Reuters, unnamed officials). [3]
  5. Two fibre-optic cables link Svalbard to mainland Norway. [5]
  6. Six Russian fishing and factory vessels crossed the Svalbard cable route several times in the days before 3 Sep 2026; no public evidence of interference. [5]
Show 2 earlier changes
  1. Police closed the 2022 case for lack of evidence of a crime; Norway sanctioned two Russian fishing firms in Jul 2025 over alleged links to a campaign against undersea infrastructure. [5]
  2. Norway supplied 51.2% of EU imports of gas in gaseous state in Q2 2026 [8]

Why it matters

Norway's shelf carries 8,600 km of gas pipelines to Europe, and two fibre cables link Svalbard to the mainland. Russia is reported to have rehearsed disabling cables near Svalbard in spring 2026, and Norway's security police say Russian intelligence keeps mapping coastal and seabed infrastructure. But Norway has not blamed a state in any subsea case on record: the one Svalbard cable break, in 2022, was closed for lack of evidence.

Why Likelihood 3 Brakes: the bar is attribution; past cases closed without blame; the exercise was reportedly foiled.

Why Impact 3 Threshold case, one cable damaged and a state named: Norway and North Sea allies; repair and security costs, no figure sourced and no key price shown to move; months of response; redundant cables and satellite links.

The other facts on file (3)
  • One Svalbard cable failed 7 Jan 2022, 130-230 km from Longyearbyen; police pointed to human impact; redundancy restored 18 Jan 2022. [2] (11 Feb 2022)
  • Silver Dania held off Tromsø 30 Jan 2025 at Latvia's request, released 31 Jan: no findings linking the ship to the act. [6] (31 Jan 2025)
  • Balticconnector and at least two telecoms cables damaged 7-8 Oct 2023. [7] (8 Oct 2023)

Where it sits

11. Norway blames a state for damage to a subsea cable or pipeline: Low impact · unlikely1 · Low impact · unlikelyMoscowKyivWarsawAUSTRIABULGARIABELARUSCZECH REPUBLICGERMANYESTONIAFINLANDHUNGARYITALYKAZAKHSTANLITHUANIALATVIANORWAYPOLANDROMANIARUSSIASERBIASWEDENUKRAINEUZBEKISTANBLACK SEA0500 kmat 52°NMap data: Natural Earth (public domain).
11. Norway blames a state for damage to a subsea cable or pipeline: Low impact · unlikelyMoscowKyivAUSTRIABULGARIABELARUSCZECH REPUBLICESTONIAFINLANDHUNGARYLITHUANIALATVIAPOLANDROMANIARUSSIASERBIASWEDENUKRAINE0300 kmat 52°NMap data: Natural Earth (public domain).

How it spreads

If

Between 26 Oct 2026 and 25 Oct 2027, the Norwegian government, police or security police publicly attribute damage to a subsea cable or pipeline on the Norwegian shelf, or to or around Svalbard, to a foreign state or to people acting for one.

Not under way

Channels 4 on the card

  1. CanadaAn Arctic NATO ally; no sourced loss.
  2. NATO and the North SeaA first Norwegian attribution would bring more patrols and pressure for a response.
  3. Norway-Russia relationsNew sanctions or port closures add to the Svalbard and fisheries strain.
  4. Energy marketsHigher perceived risk to pipelines that carried 51.2% of EU pipeline gas imports in Q2 2026 [8].

Sectors 2

  • Energy and pipelines
  • Technology

Who is exposed

Countries
Norway, United Kingdom, Germany, France, Belgium
Sectors
Energy and pipelines, Technology, Ports and logistics

Three scenarios and their signposts

  1. S1

    Watch and deter

    Mapping and close passes go on with no damage, or damage with no attribution.

  2. S2

    Damage, no blame

    A cable is damaged, a ship is checked, and the case closes as in 2022.

  3. S3

    Named state

    A damage case ends with Norway naming Russia or its agents, followed by sanctions or expulsions.

The signposts of each scenario
PathSignpost
S1No Norwegian police case on subsea damage by 30 Apr 2027
S2A police statement on a human cause without a suspect
S3PST or police name a state in an open case

No probability is given for the three paths.

Dates to watch

Calendar

The dates to watch

A dot is a day, a bar a month or a year; a hollow mark is tentative. The line marks today.

  1. Nov 2026 Winter window Nov 2026 to Feb 2027 for anchor-drag incidents (Baltic pattern) [7] Tentative · Window
  2. Feb 2027 PST national threat assessment 2027 [9] Tentative · Outside event
SourceStrature world-risk card; the dates cite the sources below.
Exhibit R-3 · NORWAY · strature.net

The other side

Patrols and tracking already foiled one reported exercise. Strature's view: repair, monitoring and seabed-sensor work for allied navies and Norwegian contractors is growing, and a second Svalbard route would end the island's reliance on two cables.

Connected in Strature

Sources

10 sources, numbered as the text cites them

  1. Key figures. Gassco · 25 Oct 2026 · Official · confidence medium · retrieved 25 Oct 2026
  2. Human activity behind Svalbard cable disruption. The Barents Observer · 11 Feb 2022 · News · confidence medium · retrieved 25 Oct 2026
  3. Reuters: Russia trained with new secret weapon near Svalbard. High North News · 10 Sep 2026 · News · confidence medium · retrieved 25 Oct 2026
  4. Trusler langs kysten. Politiets sikkerhetstjeneste (PST) · 1 Oct 2026 · Official · confidence high · retrieved 25 Oct 2026
  5. Russian fishing vessels repeatedly cross Svalbard cables, raising security questions. High North News · 3 Sep 2026 · News · confidence medium · retrieved 25 Oct 2026
  6. Norway releases Russian-crewed ship after cable damage. The Moscow Times (AFP) · 31 Jan 2025 · News · confidence medium · retrieved 26 Oct 2026
  7. Timeline of suspected underwater sabotage in Baltic Sea. gCaptain · 25 Oct 2026 · News · confidence medium · retrieved 25 Oct 2026
  8. EU imports of energy products: latest developments. Eurostat · 2026-09 · Official · confidence high · retrieved 25 Oct 2026
  9. Nasjonal trusselvurdering 2026. Politiets sikkerhetstjeneste (PST) · 6 Feb 2026 · Official · confidence high · retrieved 25 Oct 2026
  10. PST urges public to report suspicious activity along Norway's coast. High North News · 2 Oct 2026 · News · confidence medium · retrieved 26 Oct 2026

Reviewed 26 Oct 2026 · version 2 · last change: reviewed · All risks