Suspect behind South Korea bank hacks may be 26-year-old in China, cybersecurity firm says ↧ ↧ Suspect behind South Korea bank hacks may be 26-year-old in China, ... The suspect behind recent ​cyberattacks targeting South Korea's financial sector may be a 26-year-old ‌based in China's Guangdong province, US cybersecurity firm CrowdStrike said.