SignalAtlas
Share a report
Investigating

ONDA investigates possible personal-data leak after HotelPlus reservation viewing

ONDA confirmed unauthorized viewing of some HotelPlus reservations on October 12–13 and is investigating a possible leak of names, mobile numbers and booking details.

Last updated: 2026-11-09

Overview

The activity was identified on October 14. Potential fields include reservation numbers, status and accommodation details; scope and totals remain unresolved. Cards were unaffected and passwords were not among the potentially exposed information.

Timeline

  1. Occurred
  2. Discovered
  3. Disclosed

  4. Unauthorized viewing identified and emergency response started.

  5. Official notice published.

Organization response

ONDA blocked access paths and IPs, strengthened authentication, access controls and audit logging, and is working with KISA, police and specialists.

What you can do

Do not act on messaging-app requests for extra payments; verify bookings through the original platform or property.

Sources

  1. Personal Information Breach and Our ApologyONDA Co., Ltd. · 2026-11-09

Related information

Share a report

No published information yet

Information appears here after source checks or moderation.

Comments and replies

Write a comment

No account needed. Comments appear immediately.

Do not post private names, addresses, passwords, or codes. Automatic masking is limited; review your content before submitting.