d) Ph??ng án ?ng phó, kh?c ph?c s? c? an ninh m?ng c?a ch? qu?n h? th?ng thông tin;11. Domestic enterprises that are proven or registered for establishment according to guidelines of Vietnam with their headquarters situated in Vietnam.4. Tr??ng h?p không b?o ??m ?i?u ki?n an ninh m?ng, l?c l??ng chuyên trách b?o v? an ninh m?ng yêu c?u ch? q