Italian firefighters, pictured, searched the wreck of the Bayesian for survivors in August 2024.Vigili del Fuoco/AP PhotoItalian authorities have requested heightened security around Mike Lynch's sunken superyacht.Watertight safes on board the Bayesian may hold sensitive intelligence data, sources told CNN.The $40 million yacht sank last month in a storm, killing Lynch and six others.Italian authorities have requested heightened security around Mike Lynch's sunken superyacht, over fears that safes on board contain highly sensitive intelligence data, according to reports.The Bayesian sank during a fierce storm off the coast of Sicily a month ago, killing seven, including British tech tycoon Lynch, his 18-year-old daughter, and other passengers and crew.