TVING Data Breach Exposes Millions of Users' Personal Information and Digital Identity Keys
South Korean streaming platform TVING, owned by CJ ENM, suffered a massive data breach due to unauthorized external access to its user database. The incident, detected on June 2, 2026, and publicly announced on June 3, 2026, led to the leakage of sensitive personal data, including unique digital identifiers known as Connecting Information (CI) and Duplication Information (DI). The breach affects millions of users and raises significant concerns about identity theft and financial fraud.
Signal context
First seen: Jun 3, 2026
Last updated: Jun 29, 2026
Status: Public signal
Key points
- Unauthorized external access to TVING's user database was detected on June 2, 2026.
- Public announcement and apology issued by TVING on June 3, 2026.
- Leaked data includes user IDs, names, birth dates, genders, phone numbers (partially encrypted), email addresses (ID portion encrypted), refund account numbers (encrypted), and one-way encrypted passwords.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Information
Likely country: Location not provided
Watch internet-facing systems, credential abuse and exploit activity.
- Source type: outside the affected organization
Impact area: Confidentiality
Likely asset: User or customer data, Server or cloud data store
- 32 signals in the same sector
- 97 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Tving Data Breach Exposes Millions To Risk - Grand Pinnacle Tribunehttps://grandpinnacletribune.com/tving-data-breach-exposes-millions-to-risk/Public source from grandpinnacletribune.com.
Personal info of Tving users leaked - The Korea Timeshttps://www.koreatimes.co.kr/www/tech/2026/06/133_398000.htmlPublic source from koreatimes.co.kr.
TVING Breach Exposes 7.7 Million Users' Data, Including Digital Identity Keyshttps://finance.biggo.com/news/SrUFjZ4B-PfaobXfaekbPublic source from finance.biggo.com.
Data Breach at TVING Prompts Government Investigation - AJU PRESS AMPhttps://m.ajupress.com/amp/20260603203070932Public source from m.ajupress.com.
Related signals
Grouped by why the signal is relevant.
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KDDI Corporation Data Breach Exposes up to 14.2 Million Email Logins
Japanese telecommunications operator KDDI Corporation disclosed a data breach where threat actors gained unauthorized access to one of its email systems. This system was also used by five other internet service providers (ISPs) in Japan. The company discovered the compromise on June 17, 2026, and responded by blocking the attacker and implementing defensive measures. The investigation determined that hackers exploited a vulnerability in unnamed third-party software. Up to 14.2 million email addresses and passwords, including those of current, former, and inactive customers, may have been exposed. Some passwords were stored in hashed and/or encrypted form, but the company did not specify the encryption type or the percentage of plaintext passwords. KDDI has reported the incident to Japanese privacy and telecommunications regulators. The breach impacts KDDI Corporation and its partner ISPs.
JCOM Co., Ltd. Affected by KDDI Corporation Data Breach
JCOM Co., Ltd., a Japanese internet service provider, was impacted by a data breach originating from an email system provided by KDDI Corporation. Threat actors gained unauthorized access to this shared system by exploiting a vulnerability in third-party software. This led to the potential exposure of up to 14.2 million email addresses and passwords across all affected ISPs. JCOM customers' email addresses and passwords may have been compromised.
BIGLOBE Inc. Affected by KDDI Corporation Data Breach
BIGLOBE Inc., a Japanese internet service provider, was impacted by a data breach originating from an email system provided by KDDI Corporation. Threat actors gained unauthorized access to this shared system by exploiting a vulnerability in third-party software. This led to the potential exposure of up to 14.2 million email addresses and passwords across all affected ISPs. BIGLOBE Inc. customers' email addresses and passwords may have been compromised.
NIFTY Corporation Affected by KDDI Corporation Data Breach
NIFTY Corporation, a Japanese internet service provider, was impacted by a data breach originating from an email system provided by KDDI Corporation. Threat actors gained unauthorized access to this shared system by exploiting a vulnerability in third-party software. This led to the potential exposure of up to 14.2 million email addresses and passwords across all affected ISPs. NIFTY Corporation customers' email addresses and passwords may have been compromised.
