Taiwan Semiconductor Manufacturing Company (TSMC) has confirmed a data breach involving employee information linked to a cloud service provider. The breach resulted in the theft of 6.9 GB of data, including contact information, identification details, and banking information of current and former employees.
TSMC stated that no internal systems were compromised during the breach. The leaked data was verified to match information stored in the system services of a cloud service provider, according to TSMC.
A hacker using the alias 'SmithBianl' has offered the stolen data for auction on a cybercriminal forum, demanding 3 BTC, approximately $200,000. The hacker has threatened to release the data for free if no buyer is found by November 15.
TSMC is notifying impacted personnel and providing necessary support following the breach. The incident has been reported to the Securities and Exchange Commission (SEC) by TSMC.