Industry
New undersea cable cutter risks Internet’s backbone
China successfully tested an advanced device capable of cutting underwater structures like submarine cables at depths of 3,500 meters , raising global security concerns. Since more than 95% of global
China successfully tested an advanced device capable of cutting underwater structures like submarine cables at depths of 3,500 meters , raising global security concerns. Since more than 95% of global internet traffic flows through undersea cables, the advancement carries both industrial and strategic implications . Severing cables at great depths makes repair efforts exponentially more difficult, time-consuming, and expensive, effectively granting a new form of gray zone leverage in geopolitical standoffs .
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Source: Ars Technica | 2026-04-16