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Bee Cheng Hiang's AI Error Exposes 95,000 Customer Emails

Bee Cheng Hiang's AI Error Exposes 95,000 Customer Emails

First seen 30 Sep 2026, 12:29 UTC • •

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ThreatCluster AI
ThreatCluster •September 30, 2026 at 17:31 UTC
  • •Over 95,000 customer email addresses were exposed due to a bad AI prompt.
  • •The incident was classified as Singapore's first AI-related data breach.
  • •Bee Cheng Hiang has implemented new policies to prevent future occurrences.

In Singapore's first AI-related data breach, over 95,000 email addresses of Bee Cheng Hiang customers were exposed due to a bad prompt used by an employee in an AI tool. The incident occurred in April when the employee generated a Python script for bulk marketing emails, causing all recipients' addresses to be visible. The Personal Data Protection Commission (PDPC) confirmed that the breach was due to human error, not a malfunction of the AI tool. There is no evidence of further misuse of the exposed email addresses. Bee Cheng Hiang has since implemented stronger data protection measures, including double-verification for bulk emails. The PDPC noted that the company lacked a governance framework for AI tool usage, which contributed to the incident. The breach was reported to the PDPC on April 27, shortly after the emails were sent out on April 25.

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Timeline

2026-04-25
Problematic marketing emails sent
Emails containing visible addresses of 95,364 customers were sent out due to a coding error.
Straitstimes
2026-04-27
Data breach reported to PDPC
Bee Cheng Hiang notified the Personal Data Protection Commission about the email exposure incident.
Channelnewsasia
2026-09-30
PDPC confirms breach details
The PDPC released information about the breach, clarifying it was due to human error and not AI tool malfunction.
Businesstimes.Sg

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