The trio are accused of improperly accessing proprietary information on TSMC's 2-nanometer chip development and production.

Taiwanese authorities have detained three people for allegedly stealing technology trade secrets from Taiwan Semiconductor Manufacturing Co (TSMC) , the world's largest chip foundry, Taiwanese prosecutors said on Tuesday.

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