KT and LG Uplus Enhance Cybersecurity as SK Telecom Grapples with Massive Data Breach

Strategic Insights -

In response to SK Telecom's recent hacking incident, which led to the leak of approximately 27 million user records, rival phone plan providers KT and LG Uplus are prioritizing cybersecurity efforts. KT has strengthened its Clean Zone service, utilizing AI to analyze traffic patterns and block malicious traffic during DDoS attacks, while LG Uplus is offering in-store cell phone security assessments and launching a promotion for free phishing- and hacking-related insurance until July. This move by KT and LG Uplus comes as around 330,000 customers have switched to rival companies since the breach was reported last month.

Key Takeaways:

  • KT has enhanced its business-to-business security service, Clean Zone, to improve analytical precision and block local and international cyberattacks in real-time, using a database of over 5.3 million cyber threat entries.
  • The Clean Zone service now uses AI to analyze client traffic patterns, filtering out malicious traffic during DDoS attacks while allowing legitimate traffic to reach company servers.
  • Users of the Clean Zone service receive additional preventative measures, including mock drills and monthly security reports, and will be able to track detected DDoS attacks through a client-facing monitoring dashboard as part of an upgrade.
  • KT has also upgraded its AI-based mail security service by integrating a large language model to enhance reporting features, allowing users to receive detailed analyses of threat detection summaries, including risk levels, threat importance, and necessary actions to take.
  • Over the past year, KT has blocked over 13,000 malicious emails.
  • LG Uplus is offering cell phone security assessments for its users at its stores this month, providing guidance on using the LG Uplus customer center app to strengthen their protection.
  • The company will also inform users of preventive measures against smishing (text-messaging scams) and phishing attacks.
  • Users will have access to LG Uplus' AI agent ixi-O's voice phishing detecting feature, which analyzes conversations during calls in real-time and alerts users to any suspicious activity.
  • Eligible customers for LG Uplus' free phishing- and hacking-related insurance include long-term users (over two years), as well as new and existing ixi-O subscribers, with coverage of up to 3 million won ($2,200) in losses resulting from phishing, hacking, smishing, or pharming attacks.

Statistics:

  • KT blocked over 13,000 malicious emails in the past year.
  • LG Uplus will offer free phishing- and hacking-related insurance to eligible customers until July, with coverage of up to 3 million won ($2,200).
  • Around 330,000 customers have switched to rival companies since the SK Telecom data breach was reported last month.
  • KT's Clean Zone service uses a database of over 5.3 million cyber threat entries.
  • The enhanced Clean Zone service will allow users to track detected DDoS attacks through a client-facing monitoring dashboard.
  • KT plans to more than double the capacity of Clean Zone in response to the rise in data breaches and increasingly sophisticated hacking attacks.

Sources:

  • KT Corporation
  • LG Uplus
  • SK Telecom
  • Yonhap News Agency