2019 MYOB Australia — payroll summary mis-delivery (~220 payment summaries)
Data compromised
Payment summary / tax-statement data for affected employees
Technical writeup
Australian trade press summarized a MYOB incident in which roughly 220 year-end payment summaries were emailed to incorrect recipients owing to a system defect during rollout of income-statement features. MYOB apologized, notified regulators, and offered remediation; the event is often categorized as a mis-directed communications privacy failure rather than an external intrusion.
Root cause
Software/logic defect causing mis-routing of payroll summaries