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.

Canadian telecommunications companies have reported being victims of cyberattacks linked to espionage activities orchestrated by China. The breaches have raised significant security concerns and prompted discussions about national defense and the integrity of communication infrastructures. Authorities are investigating the extent of the impact and potential vulnerabilities exposed by these incidents.

Cellcom has confirmed that a week-long service disruption affecting voice and text services in Wisconsin and Upper Michigan was caused by a cyberattack. The company is working with cybersecurity experts to investigate the incident, and while some services are being restored, there is no evidence that customer data was compromised.