Undersea cables crucial for global internet, face threats and protection

Undersea cables are vital for global internet connectivity, with over 485 cables spanning 900,000 miles on the ocean floor. They transmit over 95% of international data, capable of speeds up to multiple terabits per second. Threats include accidental damage and sabotage, with recent incidents causing significant disruptions. Protection measures include strategic planning, sturdy construction, and proposals for cable protection zones. Satellite networks offer backup solutions.