MTN Group, Africa's largest mobile operator, has disclosed a cybersecurity incident resulting in unauthorized access to personal information of some customers across certain markets. The company confirmed the cyberattack and has urged customers to remain vigilant. The breach highlights ongoing cybersecurity challenges in the telecommunications sector. Meanwhile, Hyosung has advised operators of all ATMs to adhere to previous security guidance in response to large-scale cyberattacks, underscoring broader concerns about digital security in financial and communication infrastructures.