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 services

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

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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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Dec

2nd

2025

09:51

Gov't says Coupang's electronic signature key exploited in data breach; attack lasted from June-Nov.

Business Gov't says Coupang's electronic signature key exploited in data breach; attack lasted from June-Nov. A massive data breach attack against e-commerce giant Coupang Inc. that has affected over 30 million customers' data lasted from June to November and involved the exploitation of the company's electronic signature key, according to officials Tuesday.

The Wichita Eagle

Dec

2nd

2025

04:48

Gov't says Coupang's electronic signature key exploited in data breach; attack lasted from June-Nov.

Business Gov't says Coupang's electronic signature key exploited in data breach; attack lasted from June-Nov. A massive data breach attack against e-commerce giant Coupang Inc. that has affected over 30 million customers' data lasted from June to November and involved the exploitation of the company's electronic signature key, according to officials Tuesday.

The Bellingham Herald

Dec

2nd

2025

04:12

Historic Korea data leak caps record year for cyber breaches

A massive data breach at South Korea’s largest e-retailer Coupang Inc caps what is set to be a record year for online leaks in the country, highlighting weaknesses in Seoul’s cyber defences. Coupang, known for its popular early morning grocery deliveries, said about 33.7 million customer accounts were affected by the leak, which compromised email and shipping addresses as well as phone numbers.

The Star Malaysia

Dec

1st

2025

23:21

Gov't says Coupang's electronic signature key exploited in data breach; attack lasted from June-Nov.

A massive data breach attack against e-commerce giant Coupang Inc. that has affected over 30 million customers' data lasted from June to November and involved the exploitation of the company's electronic signature key, according to officials Tuesday.

Macon Telegraph

Dec

1st

2025

18:30

South Korean President Lee calls for harsher penalties after Coupang data breach

The company’s CEO endures hours-long grilling for shocking data loss Coupang faces a potential fine of up to one trillion won (S$800 million) over the data breach incident. PHOTO: REUTERS [SEOUL] Coupang’s top executives were grilled for hours by South Korean lawmakers about their failure to prevent the country’s largest ever data breach, an incident that has sparked public outcry over the widespread theft of sensitive personal information.

The Business Times

Dec

1st

2025

05:09

Massive Coupang Data Leak Caps Record Year for Cyber Breaches

(Bloomberg) — A massive data breach at South Korea’s largest e-retailer Coupang Inc. ( CPNG ) caps what is set to be a record year for online leaks in the country, highlighting weaknesses in Seoul’s cyber defenses.

Dec

1st

2025

00:25

Online commerce platforms on alert as Coupang set to face fine over data leak

On Saturday, the U.S.-listed e-commerce giant said personal information of 33.7 million customers has been compromised, far higher than the 4,500 cases it initially believed to have been affected.The figure indicates that nearly all Coupang

BollywoodCountry

Nov

30th

2025

18:30

Capital Investment, Artificial Intelligence, B2B Tag

Top Data Center News for 24th - 29th November, 2025

Amazon Announces $15bn Data Center & AI Investment Plan Amazon is to invest $15 billion in data center & AI infrastructure in Indiana, in addition to the $11 billion investment announced last year. This announcement comes as the company aims to add 2.4 GW of capacity in the region, expanding to new sites in the Hoosier State.

Nov

30th

2025

18:30

Massive Coupang Data Breach Caps Record Year for Cyber Breaches

A massive data breach at South Korea’s largest e-retailer Coupang Inc. caps what is set to be a record year for online leaks in the country, highlighting weaknesses in Seoul’s cyber defenses. Coupang, known for its popular early morning grocery deliveries, said about 33.7 million customer accounts were affected by the leak, which compromised email and shipping addresses as well as phone numbers.

Nov

30th

2025

18:30

South Korea cyber crisis deepens as Coupang data leak exposes national vulnerabilities

A major data breach at South Korea’s biggest e-retailer has intensified concerns about the country’s digital preparedness, with the latest incident now seen as part of a broader pattern of systemic weaknesses. The Coupang leak, affecting tens of millions of accounts, reports Bloomberg , comes during a year already marked by rising online intrusions across telecoms, payments, and crypto platforms.

Nov

30th

2025

13:18

Roundup: Brookfield, Digital Realty, Reliance Expand India JV

India data centres lead today’s look at real estate investment news from around Asia as Brookfield, Digital Realty and Reliance announce plans for $11 billion in new projects. Also making the list, The Living Company is set to expand its senior living bets and Robert Kuok may build some more Singapore condos.

Nov

29th

2025

18:30

Coupang Faces Probe Over Widest Data Hack Seen in South Korea

South Korean authorities are investigating a data leak at online retailer Coupang Inc. that exposed about 33.7 million accounts in what could be the widest hack for the country of 51.7 million people. Personal information was allegedly hacked by a Chinese national who previously worked at the company, Yonhap News reported.

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

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

Example Sports Rights Suppliers

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