Iran’s state-affiliated Tasnim News Agency, which carries close links to the Islamic Revolutionary Guard Corps, has published a detailed map of undersea internet cables running through the Strait of Hormuz, framing the waterway’s fibre-optic infrastructure as acutely vulnerable. The report, circulated widely on Telegram, identifies at least seven major submarine communication cables transiting the narrow strait, noting that more than 97 percent of the world’s internet traffic travels through seabed fibre-optic lines, with systems including FALCON, AAE-1, TGN-Gulf and SEA-ME-WE linking the Persian Gulf states to major data centres across the Middle East, Europe and Asia, forming the operational backbone for e-commerce, cloud services and financial communications in the region. Analysts and regional observers have described the publication as reading less like a technical briefing and more like a strategic signal directed at Gulf Arab states.
Long understood as the world’s most consequential oil and gas corridor, the Strait of Hormuz has a parallel identity as a critical bottleneck for global digital connectivity, with all cables passing through the strait laid in Omani rather than Iranian waters, a routing consequence of long-standing diplomatic frictions with Tehran, meaning they run through a geographically narrow band with limited redundancy. Analysis by TeleGeography notes that because cables in the strait are tightly clustered, a single incident, whether from anchors, naval debris or deliberate action, could damage multiple systems simultaneously, while cable repair ships require government permits before entering a fault zone and must remain stationary during repairs, making them acutely exposed in any environment of active hostility.
Tasnim’s report drew particular attention to the concentration of cloud and data-centre infrastructure in Gulf Arab countries, especially the United Arab Emirates, framing landing stations and data hubs as strategic pressure points, while observing that Gulf Arab states on the southern shore of the strait, including the United Arab Emirates, Qatar, Bahrain, Kuwait and Saudi Arabia, depend far more heavily on maritime internet routes than Iran does. Iran International, which monitors Iranian state media closely, described the Tasnim report as a thinly veiled warning rather than a neutral explainer, noting the care taken by the outlet to highlight precisely which countries are most exposed to any disruption of the cables it mapped.
The timing of the publication has given analysts additional grounds for concern. The report appeared against a backdrop of heightened tensions following a United States and Israeli military campaign against Iran, leading analysts to read the mapping exercise as an implicit threat rather than a public service announcement. For countries in the Gulf that have invested heavily in becoming global digital and cloud infrastructure hubs, the deliberate highlighting of their dependence on submarine cable connectivity passing through a contested waterway adds a new dimension to an already complex regional security environment, where the consequences of any escalation now extend well beyond energy markets into the digital infrastructure that underpins modern economies.
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