SIIV
Système d’Information d’Importance Vitale
French acronym: “Système d’Information d’Importance Vitale”
This acronym refers to the information system of an OIV; the information system (IS) of an OIV is therefore an SIIV. Specific rules laid down by the Prime Minister’s Office apply to SIIVs depending on the sector of activity of the OIV that administers them.