Nimble AMS now integrates with the Momentive Payment Activity Service to help protect your association against card testing (carding) attacks: where an attacker resubmits the same card number repeatedly with different CVVs to find the correct one. When a card fails a set number of transaction attempts, the Payment Activity Service automatically blocks it from further attempts across Momentive products. Staff can also manually block or unblock a specific card number from within Staff View.
Benefits
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Helps prevent carding attacks, which can otherwise cause payment gateway downtime and lost revenue.
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Makes payment processing more secure overall.
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Cross-product network effect: your association benefits from fraud activity reported across all Momentive products, not just your own.
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Gives staff a manual override to block or unblock a card directly, without needing engineering involvement.
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Runs in the background: no added steps for members at checkout.
Note: This feature is enabled automatically for all Nimble AMS clients — there is no feature flag or configuration step required.