The article outlines a timeline of significant events related to SK Telecom's recent data breach, detailing the implications for the company and its customers. It highlights the response measures taken by SK Telecom and the broader impact on the telecommunications industry in South Korea.

The South Korean government has imposed a small fine and strict regulatory requirements on SK Telecom after a breach exposed 27 million records. The company is required to conduct quarterly security assessments and improve its data protection measures following a government investigation that revealed significant security lapses.