However, there will be a high bar for data sharing and other processes, such as anonymising the data where appropriate, will be in place to help mitigate these concerns.
Fodd bynnag, bydd trothwy uchel ar gyfer rhannu data a bydd prosesau eraill, fel anonymeiddio'r data lle bo hynny'n briodol, ar waith i helpu i liniaru'r pryderon hyn.