Two of the data links are marine cables operated by Elisa, running between Helsinki and Tallinn, Estonia. One also running from Helsinki to Tallinn is owned by the Chinese-owned CITIC Telecom.
The fourth cable is Cinia’s C-Lion1 submarine cable, which connects Helsinki to Germany. Finnish state-owned company Cinia has pinpointed the damage to its cable southeast of the Porkkala peninsula, just west of Helsinki on the Gulf of Finland.
According to the Finnish Transport and Communications Agency (Traficom), Elisa’s cables have been severed, and two other cables have sustained damage.
Denmark and Sweden should just close off lake NATO to all non nato shipping. And any non nato ship that is allowed will have coastguard personell onboard during their stay in lake NATO. The cost of the operation is levied as toll on the ships.
Or Military takes all ships causing damage as compensation.