(LEAD) Some 25,000 customers' info leaked from Shinhan Bank in apparent AI agent-assisted hacking

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SEOUL, Oct. 1 (Yonhap) -- Personal information of around 25,000 customers has been leaked from Shinhan Bank, the lender said Thursday, prompting the financial watchdog to conduct an on-site inspection.

According to the bank, loan borrowing by customers, their annual income, names and phone numbers were leaked on Wednesday via hacking. Shinhan said it took emergency steps to minimize potential damage from the leak.

This photo taken Oct. 1, 2026, shows the sign of Shinhan Bank at its headquarters in Seoul. (Yonhap)

Sources said the hackers, currently suspected to be based overseas, utilized advanced artificial intelligence (AI) tools in the attacks.

Experts said Shinhan Bank does not appear to have been specifically targeted but was likely caught in random AI-powered attacks on vulnerable online platforms, underscoring the need for other financial institutions to remain vigilant and block abnormal access attempts.

"The entire financial industry is vulnerable to AI agent-assisted attacks. Financial institutions need to promptly conduct their own security inspections to address potential vulnerabilities," an industry official said.

The Financial Supervisory Service, meanwhile, sent a team to examine the data leak earlier in the day, with the investigation expected to take months.

Shinhan Bank said it has launched a response team to make all-out efforts to address the situation and has completed safety measures, including blocking access from external IP addresses and suspending the affected services.

colin@yna.co.kr (END)

(LEAD) Some 25,000 customers' info leaked from Shinhan Bank in apparent AI agent-assisted hacking

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首尔，10月1日（韩联社）——新韩银行周四表示，约25000名客户的个人信息遭到泄露，促使金融监管机构进行现场检查。

据该银行称，周三客户的贷款信息、年收入、姓名和电话号码等数据通过黑客攻击泄露。新韩银行表示，已采取紧急措施，将泄露事件可能造成的损失降至最低。

这张照片拍摄于2026年10月1日，显示的是新韩银行位于首尔总部大楼的标志。（韩联社）

消息人士称，这些黑客目前被怀疑身处海外，他们在攻击中使用了先进的人工智能（AI）工具。

专家表示，新韩银行似乎并非特定目标，而是可能在针对易受攻击的在线平台的随机人工智能攻击中被卷入，这凸显了其他金融机构保持警惕并阻止异常访问尝试的必要性。

一位业内人士表示：“整个金融行业都容易受到人工智能辅助攻击。金融机构需要立即开展自身的安全检查，以解决潜在的漏洞。”

与此同时，金融监督院当天早些时候派出一个小组调查数据泄露事件，预计调查将持续数月。

新韩银行表示，已成立应对小组全力应对此次事件，并已完成安全措施，包括阻止外部 IP 地址访问和暂停受影响的服务。

colin@yna.co.kr (完)

（导语）新韩银行约25000名客户的信息疑似在人工智能辅助黑客攻击下泄露