Heightened security has been requested around the wreck of Mike Lynch's sunken superyacht, the Bayesian, over fears there's classified data on board.

A legal row has erupted following the sinking of Mike Lynch's superyacht with the boat's constructor demanding up to £186 million from the tech tycoon’s widow and boat's crew, according to court papers.

Specialist divers surveying the wreckage of the $40 million superyacht that sank off Sicily in August, killing eight people including British tech tycoon Mike Lynch, have asked for heightened security to guard the vessel,

Sensitive intelligence documents may be among the wreckage of British tech magnate Mike Lynch's superyacht, CNN reports.

Two watertight safes onboard the yacht may have super-encrypted hard drives that contain classified information like passcodes, sources told CNN.

A legal battle has erupted following the tragic sinking of the superyacht Bayesian last month. Court papers filed in Sicily reveal that the Italian boatbuilder behind Mike Lynch's vessel is seeking damages of up to £186million from the crew and the tech tycoon's widow.

Before entrepreneur and investor Mike Lynch died along with six others after the yacht they were on capsized in a storm last week, the party was celebrating Lynch's victory in the U.S. criminal courts.

Italian authorities have confirmed increased security around the wreck of the luxury yacht Bayesian, which sank in August, claiming seven lives, including that of British tech entrepreneur Mike Lynch.