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SM Entertainment Data Breach Exposes Employee Personal Information

SM Entertainment Data Breach Exposes Employee Personal Information

First seen 8 Nov 2026, 22:17 UTC • •
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ThreatCluster AI
ThreatCluster •November 8, 2026 at 22:18 UTC
  • •SM Entertainment experienced a data breach exposing personal information of employees.
  • •The breach was confirmed on November 8, with the incident occurring around November 4.
  • •No secondary damage from the leaked information has been reported so far.

SM Entertainment confirmed a data breach on November 8, 2026, affecting employees and affiliates due to an external hacking attack. The breach, which occurred around November 4, exposed sensitive personal information, including names, addresses, mobile phone numbers, and bank account details. SM stated that the unauthorized access targeted their business systems, including the electronic approval system. They are currently identifying affected individuals and notifying them sequentially. The company has blocked the IP addresses used in the attack and is cooperating with government authorities for a thorough investigation. As of now, no secondary damage from the leaked information has been reported, but they have advised caution against potential phishing attempts. SM is committed to strengthening their security measures to prevent future incidents.

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Timeline

2026-11-04
Data breach occurred
An external attacker gained unauthorized access to SM's business systems, leaking personal information.
Starnewskorea
2026-11-08
Breach confirmed
SM Entertainment announced the breach and began notifying affected individuals.
Koreaboo

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Common questions

What information was leaked?
The leaked information includes names, addresses, mobile phone numbers, bank account numbers, and job-related details.
How is SM responding to the breach?
SM has blocked the IP addresses used in the attack and is cooperating with authorities for a thorough investigation.
Should affected individuals take any action?
Affected individuals are advised to be cautious of potential phishing attempts and follow any guidance provided by SM.