Various sources including South Korea's news agency Yonhap are reporting that a hacker group has threatened to launch a DDoS attack against seven South Korean banks unless they pay about 360 million won (US$315,000) in bitcoin. The hacker group, known as Armada Collective, has threatened KB Kookmin Bank, Shinhan Bank, Woori Bank, KEB Hana Bank, NH Bank and two other lenders. Zeljka Zorz reporting in Help Net Security writes: "Choi Sang-Myung, a researcher at South Korean's Hauri Labs, noted that these latest threats might have been a consequence of the recent successful extortion attempt of South Korean web hosting provider Nayana. ... The deadline for the announced attacks was this Monday. The websites of the aforementioned banks are online and working, but whether it's because they paid the requested amount or because they managed to twart the DDoS attacks is impossible to tell."
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