Unicode change in HR system causes accidental account terminations

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A company's identity synchronization system incorrectly disabled the accounts of 23 employees on a Monday in April. The issue occurred after the HR system's vendor updated its API platform over the weekend, which changed how accented characters were encoded. The system's matching logic, based on names and birthdates, failed because the Unicode representation of characters like 'é' had changed. The affected accounts were manually restored, and the company has since updated its processes to use stable employee IDs and normalize text data.

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