French Credit Card Hacker Discusses His Crimes After Two Decades. A Conversation With Serge Humpich.

Serge Humpich is a hacker who discovered a flaw in the Carte Bleue system used in France for credit cards. He tried to warn banks, but was unsuccessful, and therefore decided to perform a public "show" where he bought subway tickets while using the flaw in the card system. He was convicted in 2000 to a ten months suspended sentence, and lost his job as a result of the case. In this episode, Humpich joins host Heather Engel to discuss his experience, the ethical hacking landscape over 25 years later, and more. • For more on cybersecurity, visit us at

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French Credit Card Hacker Discusses His Crimes After Two Decades. A Conversation With Serge Humpich. is an episode from Cybercrime Magazine Podcast by Cybercrime Magazine.

This episode is 00:10:20 long.

This episode was published on Apr 30, 2026.

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