TSMC says employee data appeared on an external site without authorization
Original title: TSMC Hacked
The chipmaker says the records match a cloud provider's systems, not its own, and exclude operations and customer data.
Taiwan Semiconductor Manufacturing Company said in a November 12 Form 6-K that some current and former employee personal data was posted on an external website without authorization. TSMC says it found no evidence its own systems were compromised and that the records match data held by a cloud service provider. The information is unrelated to operations or customers. The company is notifying affected staff and working with the vendor, authorities, and a cybersecurity firm.
Unconfirmed: TSMC has not named the cloud vendor, the number of records, or how the data was exposed.
- The Form 6-K is dated November 12, 2026, and signed by CFO Wendell Huang.
- TSMC says the data is unrelated to company operations or customer records.
- It reports no evidence that TSMC's own systems were compromised.
- Impacted current and former employees are being notified and offered support.
Impact: Current and former employee personal data posted externally
- Countries
- Taiwan
From the original article
1 min read at sec.govIndicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F. Indicate by check mark if the registrant is submitting the Form 6-K in papers as permitted by Regulation S-T Rule 101(b)(1): o Indicate by check mark if the registrant is submitting the Form 6-K in papers as permitted by Regulation S-T Rule 101(b)(7): o
By gmays · sec.gov
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