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Nol Universe Faces Data Breach Affecting Hotel Booking Data

Nol Universe Faces Data Breach Affecting Hotel Booking Data

First seen 26 Oct 2026, 09:12 UTC • •
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ThreatCluster AI
ThreatCluster •October 26, 2026 at 10:11 UTC
  • •Nol Universe experienced a data breach affecting customer and employee information.
  • •Sensitive data from bookings made between February 15 and September 8, 2026, was leaked.
  • •The company has implemented security measures and is cooperating with authorities.

On October 26, 2026, Nol Universe reported a data breach affecting personal information of customers who booked domestic accommodations through the former Interpark Tour. The breach, confirmed to have occurred on October 22, involved an external attacker exploiting a security vulnerability to access sensitive data, including member ID, phone number, email, and booking details. The affected records span bookings made between February 15 and September 8, 2026. Additionally, employee data was also compromised in a separate incident on October 19, revealing names, phone numbers, and encrypted passwords. Nol Universe has since blocked the access route used in the attack, patched the vulnerability, and requested support from the Korea Internet & Security Agency (KISA). The company has temporarily suspended lookups of affected bookings and urged customers to be cautious of phishing attempts. The full scope of the breach remains under investigation.

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Timeline

2026-10-19
Employee data breach confirmed
An external attacker accessed employee information, exposing personal data including names and encrypted passwords.
Finance.Biggo
2026-10-22
Customer data breach confirmed
An external attacker exploited a vulnerability to access customer booking data for domestic accommodations.
Finance.Biggo
2026-10-26
Breach disclosure and security measures announced
Nol Universe publicly acknowledged the breach and outlined steps taken to enhance security and prevent further incidents.
Biz.Chosun

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Common questions

What data was compromised?
The breach exposed member IDs, phone numbers, emails, and booking details of customers, as well as employee names and encrypted passwords.
What actions has Nol Universe taken?
Nol Universe has blocked the access route used in the attack, patched the vulnerability, and requested support from KISA.
How can customers protect themselves?
Customers are advised to be cautious of suspicious communications and not to click on unknown links or provide personal information.