HackingHospitalityHospitalityStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)Financial accountFinancial credentialsLowContained

Rosewood Hotel Group

bd_103d1af78bdd1c9e · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 31, 2017

Filed

Jan 19, 2018

To disclose

19 days

Affected

Not disclosed

Linked

4 filings

Confidence

64%

Full breach record for Rosewood Hotel Group →

Rosewood Hotel Group notified customers of unauthorized access to guest reservation information maintained by third-party service provider Sabre Hospitality Solutions. The breach occurred between May 29, 2016, and January 11, 2017. Affected data included names and payment card information (card number, expiration date, security code). Rosewood was notified in late December 2017. Sabre engaged forensic experts and notified law enforcement. Rosewood notified payment card brands.

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California clockDiscovered Dec 31, 2017 → Notified Jan 22, 201822d ✓ CA 60-day OK19 days discovery → filing

Incident timeline

undetected · 581 days

discovery → filing · 19 days

May 29, 2016

Begins

Dec 31, 2017

Discovered

Jan 19, 2018

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Montana State AGbd_a0605bf2789793b92018-01-19Verified
Massachusetts State AGbd_b1b00687687c79752018-01-19Verified
New Hampshire State AGbd_d72d79c0ecf5814f2018-01-19Verified

Name: Rosewood Hotel Group
norm: rosewood hotel

Name: Rosewood Hotel Group
norm: rosewood hotel
Industry: Hospitalityllm

Discovered: Dec 31, 2017
Breach occurred: May 29, 2016 – Jan 11, 2017
Undetected for: 581 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 22, 2018
Affected individuals: Not disclosed
Data types: Identity (basic)Financial accountFinancial credentials
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Third party: via Sabre Hospitality Solutions
Initial access: supply_chain

During the incident: Working with Sabre to identify the affected Rosewood guests
Notified the relevant payment card brands of the issue
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 days(19 days from discovery to filing)
Compliance flags: CA 60-day OK · 22d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Dec 31, 2017
→ Notified: Jan 22, 2018
22d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Dec 31, 2017 → Notified: Jan 22, 2018	22d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Montana State AGJan 19 · first

Massachusetts State AGJan 19 · first

New Hampshire State AGJan 19 · first

California State AGJan 19 · first · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://oag.ca.gov/ecrime/databreach/reports/sb24-132951
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 19, 2018
Raw hash: 9ea8a725425c93ebd15aa0ade1ba71ccf64346a2f4b9e390046452843a57c9b5

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityRosewood Hotel Group

Victim entityRosewood Hotel Group

Incidentdiscovered Dec 31, 2017

Stated responseWorking with Sabre to identify the affected Rosewood guests

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov