KR: Bithumb discloses data leak after internal system breach; One of three financial firm breaches reported that day

South Korean crypto exchange Bithumb has disclosed a data leak after a breach of its internal system, DataBreaches.net reports via CoinTelegraph and Yonhap. Bithumb discovered the breach of its in-house mobile system, used by employees to communicate internally, on Tuesday and is investigating the extent of the leak; it was one of three financial firm breaches reported in South Korea that day.