Taiwan Semiconductor Manufacturing Co said on Thursday that personal data belonging to about 46,000 current and former employees appeared on an unauthorised external website. The records were reportedly listed for sale on underground forums for three Bitcoin, worth roughly $217,000 at current prices. TSMC said it has found no evidence that its internal systems were breached and is working with authorities and cybersecurity experts to contain the leak and support affected staff. The company has not said how the data was obtained. TSMC’s US-listed shares fell about 4% in premarket trading. As the world’s largest contract chipmaker, TSMC produces chips for Apple, Nvidia, AMD, Qualcomm and Broadcom, and holds a market value of about $1.84 trillion. The leak adds to a run of security incidents this month, including the record Binance hack and critical PHP flaws that put crypto platforms at risk.
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