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company

American Express

American Express is a global financial services company that issues charge and credit cards, operates its own payment network, and offers travel services.

Known aliases

  • American Express Co.
  • Amex

Relationships

No evidence-backed relationships are recorded.

Current stories

security5 publishers

Zombie cards: expired plastic still pays because nobody owns the expiry check

UMass Amherst researchers bought groceries with an expired contactless card. The date that is supposed to kill it is unsigned, zeroed out before the issuer sees it, and checked by nobody in particular.

Perspective Coverage

5 publishers
Builder
Builder 42%
Operator
Operator 51%
Investor
Investor 7%

Reality

Evidence72
Adoption
Insufficient
Hype gap+25
Incentives30
Confidence70

Earlier coverage

  1. The card networks just picked the referee for agent checkout, and it looks like EMVCo

    Invest · August 18, 2026 · 2 publishers