SK Telecom Co., Ltd. ( SKM ) shares are trading lower on Monday. The company reported a data breach due to a cyberattack.

What To Know: According to Reuters, SK Telecom ( SKM ), South Korea's largest mobile carrier, disclosed that a large-scale leak of customer data caused by malware occurred earlier this month.

In a statement, SK Telecom ( SKM ) said the company would take full responsibility for any harm caused as a result of the April 18th breach.

The company announced it will begin offering free universal subscriber identity module (USIM) replacements to all 23 million users starting on Monday.

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SKIM Price Action: At the time of writing, SK Telecom ( SKM ) shares are trading 6.05% lower at $21.07, according to data from Benzinga Pro.

Image: This illustration was generated using artificial intelligence via Midjourney.