Polaris HoldingsBooking.com account

1MinorInvestigatingAnnounced

A group hotel's Booking.com account was misused. The company learned of it on May 23 and confirmed a change to the account for receiving sales payments.

This incident was imported from a dataset that compiles public announcements, and we are still checking it against the sources. Counts and causes will be updated after the check. Sources are in Japanese.

Cause
Account takeover
Sector
Food, travel & leisure
Operational impact
None

Tools for this kind of attack

Picked from the cause of the incident: tools that help you check your own systems for the same kind of weakness, or spot the warning signs.

Wazuh

Impact Local only
wazuh/wazuh

A free security platform (SIEM/XDR) that collects logs, configuration, and vulnerability data from agents on your endpoints and shows it all in one dashboard.

Purpose
Defense
Type
Self-hosted server
Difficulty
Advanced
License
CopyleftGPL-2.0（一部の構成要素は Apache-2.0）
Category
Vulnerability scanning / Forensics
Actively updatedstars17,410Last update 2026-10-24
Read the Wazuh review

Sources

  1. 不正アクセス（Booking.com アカウント）に関するお知らせufocatch.com · Published 2026-05-28(opens in a new tab)