South Korea president cites possible AI use in bank hacking cases

In short: South Korea’s president said there are signs AI models may have been used in recent hacking incidents affecting banks, but authorities have not confirmed it.

What happened

President Lee Jae Myung said on October 6, 2026, that there were indications AI models might have been used in some recent hacking incidents involving South Korean banks. He told officials to establish the facts quickly and to focus resources on limiting harm.

Several financial institutions in South Korea have reported cyber incidents and exposure of customer data. News reports have named Shinhan Bank, KB Kookmin Bank, and Hana Bank among those affected, and said other financial firms were also targeted.

The reported leaks include personal and credit related information. Shinhan said information about around 25,000 customers was exposed, while Hana and KB Kookmin reported smaller leaks.

Why it matters

For customers, the immediate risk is fraud and identity theft, which is when someone uses your personal details to pretend to be you, open accounts, or apply for credit. The AI angle matters because AI models can sometimes help attackers write convincing messages or test systems faster, like using a powerful set of lockpicks instead of trying keys one by one (an “AI-enabled penetration-testing tool” is software meant to test security, but it can also be misused). Still, officials have not publicly proven that AI was used, who the attackers were, or how big the breaches are, and those points are now part of the investigation.

Source: NYTimes