Alleged Data Breach of Ada Yazılım

🏢 About Ada Yazılım

Ada Yazılım is a Turkey-based software development company specializing in insurance and financial technology platforms. The company provides systems that manage customer records, insurance policies, and payment data for various clients in the Turkish insurance sector.

⚠ Disclaimer

This report includes actual screenshots and/or text that may include unredacted personally identifiable information (PII) gathered from publicly available sources.
The sensitive information presented within this report is intended solely for cybersecurity awareness and threat intelligence purposes.

📌 Overview

On August 21, 2025, a threat actor using the alias ghidra claimed responsibility for selling a large dataset allegedly breached from Ada Yazılım.

The actor stated that the breach exposed 341,471 documents, which include:

• 129,712 customer records
• 193,059 insurance policies
• 18,700 payment records

The database reportedly contains national ID numbers, full names, dates of birth, gender, emails, phone numbers, postal addresses, vehicle license plates, insurance policy numbers, and payment details.

📊 Key Details