KT (Korea Telecom)

KT (Korea Telecom)

https://corp.kt.com/
https://www.linkedin.com/company/kt/

KT Corporation, also known as Korea Telecom, is a publicly owned South Korean telecommunications company founded in 1981. Headquartered in South Korea, it employs approximately 6,580 people. As of 2023, KT's annual revenue exceeded $1 billion. The company is the second-largest wireless carrier in South Korea and offers pay TV services as a main product.

2024 Revenue

Founded

1981

Headcount

6,577

Headquarters

South Korea

Primary Segment

Telecoms

Ownership

Publicly Owned

News Summary:

On September 19, 2025, KT Corp. reported a new suspected data breach to authorities, separate from a recent mobile payment violation. An internal investigation revealed unauthorized micro-payment damages affecting users, significantly higher than initially reported. However, KT Corp. stated that no further damage occurred after blocking abnormal transactions on September 5, 2025. A week prior to the September 19th report, KT Corp. announced that hackers likely stole subscriber information after connecting illegal mini base stations to the network. The company also admitted to multiple compromises of internal servers. On September 21, 2025, the Prime Minister announced an interagency meeting to discuss government responses to major data breaches at Lotte Card Co. and KT Corp.

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KT (Korea Telecom) offers 11 products in the telecoms tech, ad tech and services, media and telecoms services and connectivity and cloud industries. KT (Korea Telecom)'s product portfolio comprises of telecoms services, consumer electronics, media and TV services, advertising, marketing, media agencies, enterprise and telecoms software and enterprise connectivity services.

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KT (Korea Telecom)'s revenues were $19.4B in 2024. Caretta Research has split KT (Korea Telecom)'s revenue into 9 different product categories, the largest of which is mobile services, which represents 29% of KT (Korea Telecom)'s revenue.

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Jan

14th

2026

04:30

Emerging Tech, B2B Tag

Most Read: Rio Tinto Ltd, Samsung Electronics Pref Shares, Vulcan Energy Resources, Tencent, d'Alba Global, KT Corp, KE Holdings , Ijm Corp Bhd, K Bank and more

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Jan

13th

2026

07:22

Management Changes, B2B Tag

SK Telecom claws back mobile subs as KT suffers

The South Korean mobile market has had a turbulent year that has left mobile subscribers unsure about their safest cellular service option following a number of security breaches, the latest of which has seen more than 270,000 customers jump ship from KT Corp to rival mobile operators, with SK Telecom the main beneficiary.

Jan

13th

2026

04:30

Capital Investment, Emerging Tech, B2B Tag

Daily Brief Equity Bottom-Up: Sell Pop Mart (9992 HK) Updates (2026 Jan): Offline Channel Checks and Trend Data and more

In today’s briefing: Sell Pop Mart (9992 HK) Updates (2026 Jan): Offline Channel Checks and Trend Data KT Corp: Likely to Outperform Due to IPOs of HD Hyundai Robotics and K-Bank in 2026 CES 26. NVIDIA Reboots Its AD Stack With Alpamayo But Mercedes-Benz Stays Stumm.

Jan

13th

2026

04:30

Capital Investment, Emerging Tech, B2B Tag

Daily Brief TMT/Internet: KT Corp, NVIDIA Corp, Samsung Electronics Pref Shares, Semiconductor Manufacturing International Corp (SMIC), Furuno Electric, Snowflake , GigaDevice Semiconductor , BitGo, A

In today’s briefing: KT Corp: Likely to Outperform Due to IPOs of HD Hyundai Robotics and K-Bank in 2026 CES 26. NVIDIA Reboots Its AD Stack With Alpamayo But Mercedes-Benz Stays Stumm.

Jan

12th

2026

13:26

Capital Investment, B2B Tag

KT Corp: Likely to Outperform Due to IPOs of HD Hyundai Robotics and K

Introduction to KT Corp The Performance Issue: KT vs KOSPI IPO Potential: K-Bank and HD Hyundai Robotics KT Corp's Other Major Investments Conclusion

Jan

9th

2026

07:25

Over 150,000 KT users switch mobile carriers in 9 days after penalty waiver

SEOUL, Jan. 9 (Yonhap) -- More than 150,000 customers of KT Corp., South Korea's second-largest mobile carrier, have left the company for a different service provider after KT began waiving early termination fees following a major data breach, industry sources said Friday.

Jan

5th

2026

06:31

Artificial Intelligence, B2B Tag

Over 50,000 KT Corp customers switched mobile carriers within four days after the company waived early termination fees following a major data breach. Most moved to SK Telecom, KT's top rival. KT’s CEO urged employees to strengthen cybersecurity and focus

Over 50,000 KT Corp customers switched mobile carriers within four days after the company waived early termination fees following a major data breach. Most moved to SK Telecom, KT's top rival. KT’s CEO urged employees to strengthen cybersecurity and focus on AI-driven growth to restore trust and prevent future attacks.

Jan

4th

2026

18:30

Artificial Intelligence, B2B Tag

South Korea: KT Corp Loses 50,000+ Customers As Early Termination Fees Are Waived Post Data Breach

Over 50,000 KT Corp customers switched mobile carriers within four days after the company waived early termination fees following a major data breach. Most moved to SK Telecom, KT's top rival. KT’s CEO urged employees to strengthen cybersecurity and focus on AI-driven growth to restore trust and prevent future attacks.

Free Press Journal

Jan

4th

2026

07:30

Emerging Tech, B2B Tag

Over 50,000 KT users switch mobile carriers in 4 days after penalty waiver

Seoul: More than 50,000 customers of KT Corp., South Korea's second-largest mobile carrier, have canceled their subscriptions after the telecom company began waiving early termination penalties following a major data breach, industry sources said. According to the sources, 52,661 KT users moved to rival carriers between Wednesday and Saturday.

Jan

4th

2026

04:15

Artificial Intelligence, B2B Tag

KT Loses 50,000+ Users in 4 Days After Data Breach Penalty Waiver

According to the sources, 52,661 KT users moved to rival carriers between Wednesday and Saturday. More than 70 percent of them switched to SK Telecom Co, reports Yonhap news agency. On Saturday alone, 21,027 people left KT, including 13,616 who opted for SK Telecom, the sources said.

Jan

3rd

2026

23:02

Tens of Thousands Leave KT After Data Breach Prompts Fee Waivers

SEOUL, Jan. 4 (Korea Bizwire) — More than 50,000 customers of KT Corp., South Korea’s second-largest mobile carrier, have canceled their subscriptions after the telecom company began waiving early termination penalties following a major data breach, industry sources said Friday.

The Korea Bizwire

Jan

3rd

2026

22:47

Emerging Tech, B2B Tag

Over 50,000 KT Users Switch Mobile Carriers In 4 Days After Penalty Waiver

Seoul: More than 50,000 customers of KT Corp., South Korea’s second-largest mobile carrier, have canceled their subscriptions after the telecom company began waiving early termination penalties following a major data breach, industry sources said. According to the sources, 52,661 KT users moved to rival carriers between Wednesday and Saturday.

Examples of KT (Korea Telecom)'s suppliers include Ciena, Google and Amdocs.

Example Suppliers

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Example Partners

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KT (Korea Telecom) currently holds broadcasting rights for sports competitions including baseball.

Example Sports Rights Suppliers

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