kriware Jun 10

ISO 8583 Under Fire: Finding Vulnerabilities in a Payment Socket

Raw POS socket tests reveal replay, IDOR, ghost transactions, and card-bypass flaws.

https://m4kr0.vercel.app/posts/iso-8583-under-fire-finding-vulnerabilities-in-a-payment-socket

#ISO8583 #POS

ISO 8583 Under Fire: Finding Vulnerabilities in a Payment Socket - M4KR0 Blog

A hands-on walkthrough of security testing an ISO 8583 payment socket — from reversing the app and enabling hidden debug mode, to finding four critical vulnerabilities in the processor layer

M4KR0 Blog