SK Telecom's Data Breach Devastates Q3 Financials: 90% Operating Profit Plunge Ends 25-Year Winning Streak
SK Telecom faces catastrophic financial fallout from cyberattack that exposed 27 million customers, ending unprecedented profit run South Korea's telecommunications giant SK Telecom has revealed the staggering financial toll of a massive data breach, reporting a 90.9% collapse in operating profit for the third quarter of 2025—