Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Nagra France is a company which develops and markets the Mediaguard conditional access system for digital television. It is a subsidiary of the Kudelski Group (which also develops Nagravision). Nagra France was previously known as SECA or Societe Europeenne de Controle d'Acces. It was co-owned by Canal+ and Bertelsmann. Canal+ later bought Bertelsmann's parts and created Canal+ Technologies. At end of September 2002, Thomson SA bought parts from Canal+ and became the majority holder with 92% of shares.

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