By Wooyoung Lee ( October 31, 2025, 08:10 GMT | Insight) -- South Korean telecom giant SK Telecom reported a sharp decline in third-quarter earnings, with operating profit plunging 90.9 percent and revenue dropping 12.2 percent, following massive data breaches that exposed the personal data of more than 23 million users and led to a record privacy fine. The data breach also prompted a leadership overhaul, culminating in the appointment of Jeong Jae-heon, a former judge and the company’s former head of external relations and legal group, as the new chief executive officer. Jeong is the first CEO with a legal background in the company’s history.South Korean telecom giant SK Telecom reported a sharp decline in third-quarter earnings, with operating profit plunging 90.9 percent and revenue dropping 12.2 percent, following massive data breaches that exposed the personal data of more than 23 million users and led to a record privacy fine....
Prepare for tomorrow’s regulatory change, today
MLex identifies risk to business wherever it emerges, with specialist reporters across the globe providing exclusive news and deep-dive analysis on the proposals, probes, enforcement actions and rulings that matter to your organization and clients, now and in the longer term.
Know what others in the room don’t, with features including:
- Daily newsletters for Antitrust, M&A, Trade, Data Privacy & Security, Technology, AI and more
- Custom alerts on specific filters including geographies, industries, topics and companies to suit your practice needs
- Predictive analysis from expert journalists across North America, the UK and Europe, Latin America and Asia-Pacific
- Curated case files bringing together news, analysis and source documents in a single timeline
Experience MLex today with a 14-day free trial.