Escalating Conflict in Iran Threatens Critical Global Internet Infrastructure

The Hormuz Strait and Red Sea, already volatile maritime chokepoints, now face heightened risks to global internet connectivity as geopolitical tensions escalate. Recent U.S. and Israeli strikes on Iran have disrupted operations in the region, including cable-laying vessels suspending activities critical to undersea data networks linking Europe and Asia.

Rising Stakes for Digital Highways

Undersea internet cables—often called digital motorways—carry over 99% of intercontinental data, including financial transactions, communications, and cloud services. The Hormuz Strait alone carries 20% of the world’s seaborne oil and hosts key submarine cable routes such as AEC-2 and FALCON, which connect Europe to Asia via the Middle East. With cable-laying operations halted near Bandar Abbas port, where smoke was seen rising after the strikes, the risk of prolonged disruptions has intensified.

Alternative Arctic Routes Gain Urgency

In response, attention is turning toward new Arctic cable routes, including the Arctic Connect and Polar Express projects. These routes, though technically viable, face harsh environmental conditions, higher costs, and geopolitical hurdles involving Russia and China. Industry experts warn that while these could provide redundancy, they are not immediate replacements for the high-capacity, low-latency routes currently at risk in the Middle East.

Industry and Governments on High Alert

Telecom operators and governments are monitoring the situation closely. SubCom, a leading cable-laying company, has suspended all operations in the region, citing safety concerns. Meanwhile, cybersecurity firms are bracing for potential cyberattacks or espionage targeting remaining infrastructure. The European Union and U.S. have yet to announce contingency plans, but discussions are underway to secure alternative pathways.

A Fragile Global Network

The incident underscores the fragility of the world’s digital infrastructure, where geopolitical conflicts can ripple across economies in minutes. With no clear resolution in sight, the crisis highlights the urgent need for diversified, resilient networks—and the high stakes of failing to build them.

Read more: digi.no