The US, UK and Australia are developing unmanned undersea vehicles to protect seabed cables and pipelines from sabotage threats.
Around 570 cables carry up to 99% of intercontinental data, with attacks at unprecedented scale over the past 18 months.
The UK tracked Russian submarines surveying Atlantic cables, while Iranian media highlights vulnerabilities in the Strait of Hormuz.
AI-generated summary was reviewed by a CNN editor.
The United States, Australia and the United Kingdom have taken a big step towards tackling growing threats to undersea pipelines and cables, which carry huge amounts of energy and data around the world.
