Toss has won the top prize at the AI-based hacking defense competition organized by the Financial Security Agency. Toss Securities also secured second place, marking six consecutive years of winning teams from the Toss group, including previous iterations of the competition.
Viva Republica, the operator of Toss, announced on November 13 that it received the grand prize at the 2026 Financial Security AI Hacking Defense Competition.
This competition, hosted by the Financial Security Agency and sponsored by the Financial Services Commission, was revamped from the previous Financial Security Threat Analysis Competition (FIESTA) to evaluate AI-based attack and defense capabilities. This year, a total of 10 teams competed in the finals.
The Toss team, consisting of white hat hackers Choi Jeong-su, Kwon Jae-seung, Kim Jae-seong, and Jeon Hye-rim, participated under the team name 'Decaf Amaretto Latte' and claimed first place. They received the Financial Services Commission Chairman's Award and a cash prize of 12 million won.
The Toss Securities security technology team, made up of Kwon Hyuk-joo, Kim Beop-seong, Kim Tae-wook, and Lee Sang-hyun, finished second with their team 'Kim Mong-som Fan Club,' earning the top excellence award from the Financial Security Agency.
With this achievement, Toss affiliates have produced winning teams in this competition and its predecessor for six consecutive years since 2021. Toss won four consecutive years from 2021 to 2024, and last year, Toss Securities took first place.
Toss operates a dedicated team of white hat hackers to assess security vulnerabilities and manage its own security solutions. They also conduct ongoing cyber attack response training and a vulnerability reporting reward program known as 'bug bounty.'
A Toss representative stated, "We will proactively prepare for emerging threats in the AI era to create a safe financial environment."
* This article has been translated by AI.
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