Payment Village·41 min
Hector Cuevas Cruz
Hector Cuevas Cruz explains Transaction Reversal Frauds (TRF), an attack that abuses banking operational rules to cash out ATMs without malware or drilling.
atmtrftransaction-reversal+2
DEF CON 29/Payment Village across years
Payment Village DC29
Paris and Bally's Hotels, Las Vegas · 5-8 August 2021 · 4 talks
Payment Village focuses on financial systems security, ATM hardware exploitation, transaction reversal frauds, payment card validation, and cryptocurrency exchange race conditions.
1–4 of 4 talks
Payment Village·41 min
Meadow Ellis
Meadow Ellis demystifies ATM security architecture, explaining internal components, cash dispenser controllers, and why legitimate ATM research is so difficult.
atmcash-dispenserphysical-security+2
Payment Village·13 min
Vahagn Vardanyan
Vahagn Vardanyan explores race condition vulnerabilities detected on major cryptocurrency exchanges, demonstrating arbitrary balance manipulation.
race-conditionscryptocurrencyexchange+2
Payment Village·19 min
Timur Yunusov
Timur Yunusov provides an overview of security risks and transaction validation flaws introduced when businesses issue crypto-backed debit and payment cards.
cryptocurrencysmart-cardspayment-cards+2