Beneath the vast oceans lies a hidden backbone of the modern internet: undersea (or submarine) cables. These cables carry over 95% of international data traffic, connecting continents and enabling everything from video calls to financial transactions. Given their importance, a natural question arises—how are these cables protected from cyber attacks?
At first glance, submarine cables may seem like an easy target. They span thousands of kilometers across ocean floors, often in remote and un-monitored regions. However, in reality, launching a cyber attack directly on these cables is extremely difficult. This is largely due to a combination of physical…