The Japanese company is struggling to address the potential fallout with one of its most important customers and with governments in Tokyo and Taipei.

Three Taiwan Semiconductor Manufacturing Co. employees were taken into custody Tuesday after company officials detected "unauthorized activities" and a leak of its trade secrets…

Corporate espionage and tariff pressures deal dual blows to TSMC, adding to fears about vulnerability of Taiwan and its most prized company.

Asia chip stocks fell on Thursday after U.S. President Donald Trump announced he will impose a 100% tariff on imports of semiconductors and chips.

There had been hopes TSMC's plan to invest an additional $100 billion in the United States would shield Taiwan from new tariffs.

The chip-gear maker and its peers have regularly been targeted for their intellectual property by entities with ties to China.

The Japanese company is struggling to address the potential fallout with one of its most important customers and with governments in Tokyo and Taipei.