We have received MasterCard confirmation that 3D secure functionality has been fully restored across all regions, while we continue to monitor MasterCard transactions authentication.

3D secure authentication functionality has been restored in all regions, with the exception of India, we will follow up as soon as we have more updates.

We have received a confirmation that Mastercard has restored 3D secure functionality in some regions and continues to work on recovering the service globally.

Mastercard Securecode has confirmed that they have turned off all 3D Secure processing for Mastercard transactions.
The issue is being investigated and we will be providing regular updates to this issue as we receive them.