South Korea-based messaging app Line‘s subsidiary, Line Plus, has acquired local cybersecurity and counter-hacking firm GrayHash as part of the company’s efforts to boost its online security. Financial terms of the deal were not disclosed yet. Line said GrayHash will be renamed GrayLab, with GrayHash CEO and co-founder Seungjin Lee set to continue leading the company. Line Plus describes GrayHash as an online security research center that specializes in offensive research and counter-hacking techniques. GrayHash’s clients include those from IT, electronics, games, messenger services, and mobile fields. It is also working with government agencies on various research projects. “With the acquisition, the Korea-based GrayHash has been tasked with developing and optimizing security solutions for LINE’s services, including messenger, FinTech, the blockchain, and the digital asset exchange,” Line said.