China mulls cybersecurity review for companies seeking Hong Kong IPO China has ramped up its oversight of mainland companies holding data that seek a listing in Hong Kong with a proposed new law mandating a cybersecurity review. According to the new draft regulation, published by China’s cyberspace regulator today, officials would impose a cybersecurity review on such companies if a listing is deemed to have a potential impact on the country’s national security. But the draft rule does not specify how regulators will judge this to be the case. Thus far, China has concentrated its regulatory scrutiny on a string…