Peruvian Direción de Hidrografia y Navegación has chosen SevenCs' S-63 Encryption Software to encrypt Electronic Navigation Charts (ENC) S-57 data as recommended by the IHO S-63 data protection scheme. It is probably not widely known that ENCs are not excluded from copyright infringement and data piracy is a general problem of the digital area. The Peruvian DHN (Direción de Hidrografia y Navegación) as a publisher of official nautical information wanted to protect and authenticate their certified data according to the official security scheme. Commander Julio Behr Laca, head of the cartography department, comments:”Official Peruvian ENCs are distributed by IC-ENC.