According to United Daily News, the Grand Hotel said it found an IT anomaly on 17 February, later confirmed as an external intrusion, and that some systems had been accessed without authorization, so customer personal data may have been stolen or leaked; the scope is still being determined [1]. iThome reported that the hotel issued a notice on 20 February and a further statement on 21 February, saying it had cut affected connections, begun forensics, notified the authorities and asked the Ministry of Justice Investigation Bureau for help [2]. UDN quoted the hotel as saying operations continued and that it would carry out the required notifications [1]. UDN quoted the hotel urging guests who receive suspicious email apparently from the hotel, unusual payment instructions, or calls asking for passwords or financial details to verify carefully, follow a “do not click, enter or provide” rule, and contact the hotel directly if in doubt [1].
Grand Hotel says some systems were accessed without authorization and urges guests to verify odd payment requests
1 min read
- Disclosed
- Feb 20, 2026
- Occurred
- Feb 17, 2026
- Published
- Nov 12, 2026
- Last updated
- Nov 12, 2026
- CVSS basis
- Our assessment
- Attack vector
- Impact
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Hospitality & food service
What to do nowOur advice
- If you receive suspicious email that appears to be from the Grand Hotel, unusual payment instructions, or calls asking for passwords or financial details, verify carefully and do not click, enter data, or hand over information .
Timeline
Technical details
Remediation
Vendor guidance
- 1Do not follow suspicious email or calls asking for passwords or financial details mitigate[1]
Follow a do-not-click, do-not-enter, do-not-provide rule, and verify with the hotel.
References
Media2
- [1]聯合報2026-02-22Accessed 2026-11-12Snapshot 2026-11-12 sha256 40777d01b8e0
“若近期接獲疑似來自圓山的可疑郵件、異常付款指示、要求提供帳號密碼或金融資訊的不明來電,務必審慎查證”
- [2]iThome2026-02-23Accessed 2026-11-12Snapshot 2026-11-12 sha256 9e58db3a2196
“部分系統遭非法存取,部分客戶的資料可能遭竊或外流”
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