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outageHigh10/23/2025

Toss Securities Records 42 System Failures in Four Years

Toss

Frequent outages at the fintech broker prompted a "high-risk" designation from regulators.

Data submitted to the National Policy Committee revealed that Toss Securities suffered a cumulative total of 42 system failures between its 2021 launch and August 2025. One specific incident in 2024 involved a continuous outage lasting 86 hours. Regulators criticized the firm for prioritizing user interface growth over the stability of its internal IT control infrastructure.

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#fintech#outage#trading#fss

Last updated: March 7, 2026

Toss Securities Records 42 System Failures in Four Years - Korea Cyber Monitor