developer-guides
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Account Takeover Prevention: How to Stop ATO Attacks
Account takeover fraud cost businesses $15.6 billion in 2024. Here’s how ATO attacks work, what they cost, and the prevention strategies that actually reduce fraud without adding friction.
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Cross-Border Payments: Compliance and Cost Challenges
Cross-border payments cost 2-4x more than domestic transactions and come with region-specific compliance requirements. Here’s what businesses need to know about fees, regulations, and local payment methods.
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What Is an Access Control Server (ACS) in 3D Secure?
The Access Control Server is the issuer-side component that decides whether to approve 3DS authentication frictionlessly or require a challenge. Understanding how ACS decisions work helps CTOs evaluate payment infrastructure and predict authorization rate impact.