The May 2026 Executive Order signals a more fintech-friendly regulatory posture, but that does not mean ISVs, PayFacs, and payments companies can walk closer to the source with messy controls, decorative AML policies, and risk programs held together by vibes. If you want deeper bank relationships, direct access, or a more ambitious payments strategy, your compliance, governance, security, and operational evidence need to be ready for real scrutiny.

April card brand fee updates can quietly reshape the economics of embedded payments, platform revenue, and processor relationships. For ISVs and platforms, interchange changes are not background noise — they are margin events that need to be modeled, monitored, and understood before small fees become real money.

A PCI AOC, vulnerability scan, or penetration test may prove you met a standard at a point in time, but it does not prove your security program works when nobody is watching. PCI is the receipt — your daily security culture is the kitchen.

Most ISVs only see the payment API. Underneath it? A pile of ISO8583 voodoo, refund tricks, token traps, and margin games nobody puts in the sales deck. If you don't understand the stack, you don't know where your money is going.

Many ISVs assume they're out of PCI scope because they use hosted fields or JavaScript SDKs that “keep them away” from cardholder data. But PCI applies not only to who handles the data — but to who could impact the security of it. That means ISVs are in scope, and here's why.