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2019 PIN exposure — 480,000 customers

2019 480.0K records affected Share on X

Data compromised

PIN numbers (encrypted)

Technical writeup

Aug 2019. Nearly 480,000 customer PIN numbers (approx. one in five customers) were exposed to over 100 internal staff through log files. Data was encrypted; no fraud detected. Bank urged affected customers to change PINs as precaution.

Root cause

PINs stored in log files; internal access exposure.

References