Taiwan Fines Taishin Securities Record NT$3.6 Million Over App Failures

Taishin Securities completed its merger with MasterLink Securities on April 6, 2026, consolidating backend operations as heavy stock-market activity increased pressure on brokerage infrastructure. Reliable electronic trading is critical because outages can delay orders, distort portfolio displays and generate duplicate trades. Regulators said the repeated failures exposed gaps in Taishin’s business-continuity planning, stress testing, cybersecurity checks and internal controls, raising broader concerns about investor confidence in digital brokerage services.

Taiwan’s Financial Supervisory Commission on July 21 issued Taishin Securities a warning and a NT$3.6 million fine, the largest ever imposed on a local brokerage. Systems failed on April 7, April 14, April 20 and May 21; the April 14 disruption generated 9,321 erroneous trades worth about NT$2.011 billion. For three months, Taishin is barred from seeking new business lines, branches or investments, raising equity capital or issuing corporate bonds, serving as an ETF liquidity provider, or issuing exchange-traded notes.