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South Korean financial authorities have detected a large number of scanning attempts targeting financial institutions from IP addresses associated with North Korea, urging companies to exercise extra caution, KBS World reports. According to Yonhap, the authorities sent an official document on Oct. 21 to financial firms, including cryptocurrency exchanges, warning of unauthorized access from North Korean IPs. The Korea Economic Daily reports that 4.4 million cases of access from North Korean IPs targeting the financial sector have been detected. The presidential office convened an emergency meeting on Oct. 28 to discuss responses after hacking attacks on multiple financial firms led to customer data breaches, Yonhap reports. Daishin Securities, cryptocurrency exchange Bithumb, and asset manager Mirae Asset Global Investments have become the latest victims of cyberattacks, with customer data confirmed breached, according to the Korea Times and Yonhap.