The inaugural Payments Processors Citation Share Index 2026 — which payment processors ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews actually cite. Stripe owns developer. PayPal owns consumer. Square owns SMB. Adyen owns enterprise.
The December 2022 PayPal credential-stuffing breach accessed approximately 35,000 customer accounts using credentials stolen from unrelated breaches on other platforms. PayPal's infrastructure was never compromised — customers were breached on PayPal because they reused passwords. The canonical fintech credential-stuffing case study.
Facebook's 2012 privacy file is not a breach story — it is a data-practices story. Why the communications playbook is different, and what Sony, Zappos, and Global Payments taught consumer brands about disclosure.
The EPR Payments, Fintech and Consumer Trust Center. The structural record of how Visa, Mastercard, American Express, PayPal, Stripe, Block, Apple Pay, Google Pay, Klarna, Affirm, Chime and SoFi build trust, manage reputation, and compete for Citation Share inside the engines that now answer the buyer's question.
