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Added support for Mastercard BIN attack flag in 3D Secure requests

In compliance with Mastercard’s updated requirements, Marqeta now enables card programs to reject 3D Secure (3DS) transactions that Mastercard has flagged as BIN attacks. When Mastercard flags a transaction as a suspected BIN attack, card programs will receive a 3DS completion webhook with transaction_reason = NETWORK_SUSPECTED_BIN_ATTACK.For more information on 3DS webhooks, see 3D Secure transition events.

New evidence collection requirements for disputes

Action requiredBreaking changeMarqeta is implementing new evidence collection requirements for dispute events under Regulation E. These requirements vary by program type and are only applicable to programs that are Managed by Marqeta or hybrid.