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Mastercard DNS Error Went Unnoticed for Years
A security researcher discovered and fixed a critical domain name server misconfiguration in Mastercard's systems that persisted undetected for nearly five years, potentially exposing the credit card giant to traffic interception risks. Philippe Caturegli, founder of security firm Seralys, found t...
A security researcher discovered and fixed a critical domain name server misconfiguration in Mastercard's systems that persisted undetected for nearly five years, potentially exposing the credit card giant to traffic interception risks.Philippe Caturegli, founder of security firm Seralys, found that one of Mastercard's five DNS servers incorrectly pointed to "akam.ne" instead of "akam.net" from June 2020 to January 2025. He spent $300 to register the domain through Niger's domain authority to prevent potential exploitation. Mastercard said the typo has been corrected, insisting there was "not a risk to our systems."
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