The fallout from SK Telecom's data breach last year has resurfaced in consumer inflation data a year later. In an unexpected twist, a 50 percent cut in mobile phone bills for more than 20 million subscribers at the time created a base effect that pushed up last month’s consumer inflation rate by nearly 0.6 percentage point, government data showed Wednesday. According to the Ministry of Data and Statistics, the consumer price index stood at 120.05 in August, up 3.1 percent from a year earlier. Inflation had accelerated from 2.6 percent in April to 3.1 percent in May and 3.2 percent in June before easing to 2.8 percent in July. It returned to the 3 percent range a month later. At first glance, the latest data may suggest that inflationary pressures are picking up again. But the August increase was largely driven by the fading impact of SK Telecom’s massive mobile bill discounts introduced last year following the incident, which potentially affected approximately 25 million customers. In August last year, the country’s largest wireless carrier cut mobile bills by 50 percent for all su