Cyberattack wave widens across Korean financial sector

What happened: Daishin Securities reported a data breach affecting more than 38,000 customers, while Bithumb and Mirae Asset Global Investments also confirmed security intrusions, extending a weeks-long wave of cyberattacks on Korean financial firms. Key numbers: 38,490 Daishin customers exposed; suspicious activity detected Oct. Why it matters: The breaches prompted the FSS to call for stronger defenses, with Gov. Lee Chan-jin warning that AI could help hackers find vulnerabilities and launch simultaneous attacks.

Daishin Securities reported a data breach affecting more than 38,000 customers, while Bithumb and Mirae Asset Global Investments also confirmed security intrusions, extending a weeks-long wave of cyberattacks on Korean financial firms.

The breaches prompted the FSS to call for stronger defenses, with Gov. Lee Chan-jin warning that AI could help hackers find vulnerabilities and launch simultaneous attacks.