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VulnerabilityMalwarebytes Labs·2 days ago

Zombie Card: An expired Visa credit card can be used for purchases

Researchers have discovered that expiration dates on certain Visa credit cards can be manipulated to enable fraudulent transactions with expired cards, a vulnerability termed "Zombie Card" attacks. This finding demonstrates a potential weakness in Visa's payment validation mechanisms that could allow attackers to reactivate cards that should no longer be functional for purchases.

Read full article at Malwarebytes Labs

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Encrypted Prompts Bypass AI Safety Guardrails in Grok and Gemini

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