Central Asia Networks Cuts Fiber Optic Cable

Recent undersea cable cuts in the Red Sea have disrupted internet connectivity across parts of Asia, including India and Pakistan, affecting major systems like SMW4 and IMEWE.Incident OverviewOn September 6, 2025, multiple undersea fiber-optic cables were severed near Jeddah, Saudi Arabia, causing widespread internet slowdowns across Asia and the Middle East, including the UAE, India, Pakistan, and Gulf countries (NetBlocks, Microsoft) . The affected infrastructure includes the Southeast Asia–Middle East–Western Europe 4 (SMW4) and India–Middle East–Western Europe (IMEWE) cable systems, which are critical for intercontinental data traffic . These cables carry a significant portion of internet traffic between Asia and Europe, with around 70% of such traffic passing through the Red Sea .Impact on ConnectivityThe cable cuts led to sluggish internet speeds, increased latency, and service disruptions for users in the affected regions. Microsoft Azure reported that traffic routed through the Middle East experienced higher latency, though services remained operational by rerouting traffic through alternative paths . Telecom providers in the UAE, including Du and Etisalat, acknowledged service slowdowns and assured customers that technical teams were working to resolve the issue . Connections not passing through the Middle East were largely unaffected.Potential CausesWhile the exact cause of the cable cuts remains unclear, speculation has focused on Yemen's Houthi rebels, who have previously threatened Red Sea infrastructure amid regional conflicts, including the Israel-Hamas war . The Houthis' media outlet confirmed the cable cuts but did not claim responsibility. Historically, undersea cables are vulnerable to both accidental damage and deliberate attacks, making the Red Sea a strategic and sensitive area for global internet infrastructure.Key TakeawaysCritical systems affected: SMW4 and IMEWE fiber-optic cables.Regions impacted: India, Pakistan, UAE, Gulf countries, and broader Asia.Service effects: Slower internet speeds, increased latency, temporary disruptions.Mitigation: Traffic rerouted through alternative networks; unaffected regions maintained normal connectivity.Strategic concern: Red Sea undersea cables are vital for global internet traffic and remain vulnerable to geopolitical tensions. This incident highlights the fragility of global internet infrastructure and the importance of redundancy and monitoring for undersea cable networks .