Lg Uplus Is Latest South Korean Telco To Confirm Cybersecurity Incident

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Logo of nan South Korean institution LG U+ (LG Uplus) is displayed during nan Mobile World Congress. Logos of companies exhibited astatine MWC 2025.Image Credits:Ramon Costa / SOPA Images / LightRocket / Getty Images

8:55 PM PDT · October 28, 2025

LG Uplus, 1 of nan largest telecom operators successful South Korea, has confirmed to TechCrunch that it has reported a suspected information breach to Korea’s nationalist cybersecurity watchdog KISA, but did not opportunity erstwhile nan results of its investigation would beryllium available.

All 3 awesome South Korean telecom providers, SK Telecom, KT Telecom, and now LG Uplus, person reported cybersecurity incidents complete nan past six months, pending confirmation from nan Korean government.

South Korea’s Ministry of Science and ICT told TechCrunch that its investigation into KT and LG Uplus, launched past month, is still ongoing, amid a report that nan companies whitethorn person faced cyberattacks akin to the caller breach astatine SK Telecom.

Back successful July, KISA besides reportedly spotted signs of a imaginable hack and asked LG Uplus to record a general report. In August, LG’s telecom section initially denied immoderate signs of a breach, moreover arsenic KT reported that data from users had been exposed pursuing nan relationship of unauthorized micro guidelines stations to its network. KISA declined to comment.

The move comes astir 2 months aft the hacking mag Phrack claimed that hackers from China aliases North Korea had stolen information from adjacent to 9,000 LG Uplus servers.

LG Uplus’s study comes amid a activity of high-profile hacks successful South Korea affecting telecoms, in installments paper companies, tech startups, and authorities agencies, highlighting vulnerabilities antecedently reported by TechCrunch.

South Korea’s fragmented cybersecurity strategy and a shortage of experts person hindered nan country’s consequence to nan cyber threats.

Kate Park is simply a newsman astatine TechCrunch, pinch a attraction connected technology, startups and task superior successful Asia. She antecedently was a financial journalist astatine Mergermarket covering M&A, backstage equity and task capital.

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