# Shinhan Bank Data Breach Exposes 25,000 Customers

> Shinhan Bank's security budget dropped 10.4% after exposing 25,000 customers' data.
- Title: Shinhan Bank Data Breach Exposes 25,000 Customers | Shortify
- Summary: Shinhan Bank's security budget dropped 10.4% after exposing 25,000 customers' data. Shinhan Bank had the lowest information security budget among South…
- Keywords: shinhan bank, data breach, information security budget, south korea, big five banks, park dae-chul, financial supervisory service, finance, markets, Shinhan, Bank, Data
- Source: BigGo Finance — https://finance.biggo.com/news/9f944c0f-a126-4880-81da-3f6feb6db8df
- Author: BigGo Finance
- Published: 2026-10-16T06:25:26+00:00
- Read time: 1 min
- Topics: shinhan bank, data breach, information security budget, south korea, big five banks, park dae-chul, financial supervisory service, finance, markets
## Shinhan Bank Data Breach
Shinhan Bank exposed personal information of 25,000 customers in a recent data breach.

> Shinhan Bank, which suffered a hacking incident that exposed the personal information of 25,000 customers, has been found to have allocated the smallest information security budget among South Korea's five major commercial banks.
## Security Budget Drop
Shinhan Bank's information security budget fell 10.4% to 40.591 billion won this year.

> Shinhan Bank's information security budget for this year stands at 40.591 billion won (approximately $30.4 million). It is the only one of the five major banks with a budget below 50 billion won.
## Budget Comparison
KB Kookmin Bank led with 86.075 billion won, followed by NH NongHyup Bank, Hana Bank, and Woori Bank.

> By contrast, KB Kookmin Bank allocated the largest amount at 86.075 billion won (approximately $64.4 million).
## Lowest Security Share
Shinhan Bank had the lowest IT security spending share at 9.1% among the five major banks.

> Shinhan Bank also ranked lowest in the share of information security spending within its overall IT budget at 9.1%.
## Woori Bank's Cut
Woori Bank reduced its security budget by 21.7% year-over-year to 61.566 billion won.

> Woori Bank posted the larger decline, with its budget falling 17.093 billion won, or 21.7%, from 78.659 billion won last year to
## Banks Reviewing Security
Banks are reviewing plans to expand information security budgets after recent data breaches.

> Banks are now reviewing plans to significantly expand their information security budgets next year in the wake of recent incidents.
## Key takeaway

Shinhan Bank had the lowest information security budget among South Korea's five major banks after a data breach exposed 25,000 customers' personal information.