One of our PSP informs us that a problem concerning the 3DS authentication by SMS took place today between 5:40pm and 7:20pm, it would have impacted 15% of the transactions, here is the communication received (in French):
[...] Nos équipes constatent avec suffisamment de recul un retour à la normal de l’authentification 3D Secure depuis 19h20 . Ces perturbations auront impacté environ 15% du flux global d’authentification . Nous restons en attente de la confirmation formelle de l’opérateur concerné . [...]