An undersea fiber optic cable is attached to a rope at Arrietara beach near the Spanish Basque village of Sopelana on June 13, 2017. (ANDER GILLENEA/AFP via Getty Images) DHS investigators say they foiled cyberattack on undersea internet cable in Hawaii Nearly all of the world's internet data traverses such lines, which are prime targets for hackers of all stripes. Apr 13, 2022