# Daishin confirms data exposure affecting 38,490 customers

_Published Wednesday, October 28, 2026 at 10:19 AM EDT · Security · Latest · Tier 2 — Notable_

![Coinbase, Bithumb, & Two Korean Firms Report Data Breaches. — Primary](https://media.assettype.com/analyticsinsight%2F2026-10-28%2Fh3p3a6za%2FCoinbase-Bithumb-Two-Korean-Firms-Report-Data-Breaches.jpg?w=1200&ar=40%3A21&auto=format%2Ccompress&ogImage=true&mode=crop&enlarge=true&overlay=false&overlay_position=bottom&overlay_width=100)

Daishin Securities confirmed that hackers accessed personal and credit information for 38,490 customers through a server linked to remote brokerage account applications. It confirmed the breach on October 26 after detecting suspicious traffic on October 17.

The records included names, addresses, emails and account details. Daishin said bank account numbers, securities account numbers and mobile numbers were encrypted, and it found no intrusion into core systems. Separately, Bithumb discovered unauthorized access to its workplace communication system on October 27 and was checking whether customer account records were exposed.

## Sources

- [Analytics Insight](https://www.analyticsinsight.net/news/coinbase-bithumb-two-korean-firms-report-data-breaches)

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Canonical: https://techandbusiness.org/newswire/nl7rZHpvOyeko3q3a5vOom
Published: 2026-10-28T14:19:13.059Z
Story chronology: 2026-10-26T00:00:00.000Z
Retrieved: 2026-10-28T17:07:03.001Z
Publisher: Tech & Business (techandbusiness.org)