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2022 Carousell — 44K guest users, chat function error

2022 44.5K records affected Share on X

Data compromised

Emails, names, phone numbers (Philippines)

Technical writeup

Human error during chat updates for Philippines market. Email and names of guest users auto-appended to messages across all markets. Philippine guests also had phone numbers exposed. Singapore, Malaysia, Indonesia, Taiwan, Philippines. Part of S$58K PDPC fine.

Root cause

Human error; chat function misconfiguration

References