Voice phishing cases detected by major banks double in 2025
The number of voice phishing transactions confirmed as fraud after being flagged by monitoring systems at major commercial banks doubled last year from a year earlier, data showed Sunday. According to the data submitted by the Financial Supervisory Service to Rep. Park Seong-hoon of the People Power Party, the five major banks — KB Kookmin Bank, Shinhan Bank, Hana Bank, Woori Bank and NH Nonghyup…
Voice phishing cases flagged by banking fraud detection systems more than doubled in 2025 compared to the previous year, according to data released by South Korea's Financial Supervisory Service. The five major banks - KB Kookmin Bank, Shinhan Bank, Hana Bank, Woori Bank, and NH Nonghyup Bank - detected 8,760 such transactions in 2025, up from 4,343 in 2024.
The figures represent a substantial increase, with the number of voice phishing transactions flagged by the banks' monitoring systems rising by 39.9 percent from 796,000 in 2024 to 1.11 million in 2025. Of the 157,000 transactions that the banks took temporary measures against in 2025, up from 125,000 in 2024, 8,760 were later confirmed as actual fraud.
The financial institutions have been ramping up their efforts to bolster their cybersecurity measures in response to the surge in voice phishing attempts.
Written by urgent.news from The Korea Times's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.
This story
This is one outlet's version. Read the fullest account.
- Voice phishing cases detected by major banks double in 2025 en.yna.co.kr
- Voice phishing cases detected by major banks double in 2025 koreatimes.co.kr