Turkcell Superonline, a major Turkish internet service provider, has allegedly been compromised, resulting in the leak of extensive customer records. The data reportedly originates from Sikayetvar’s Sikayetplus CRM, a third-party platform used for managing and streamlining customer complaints. The unidentified actor responsible for the post indicated plans to release more ISP data if the current leak generates a positive reaction.
According to the actor, the database contains over 300,000 entries spanning from 2008 to 2025. The allegedly compromised data includes:
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Full names
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TCKN (Turkish National Identity Numbers)
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Customer IDs
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Phone numbers
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Email addresses
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Detailed customer complaints and physical addresses
