MalwareHospitalityHospitalityRansomwareData ExfiltratedTargetedIdentity (basic)Financial accountLowContained

Mandarin Oriental

bd_6bf8f166935a7fa2 · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 25, 2015

Filed

Jul 10, 2015

To disclose

19 weeks

Affected

30state residents only

Linked

3 filings

Confidence

66%

Full breach record for Mandarin Oriental →

Mandarin Oriental notified New Hampshire AG of a malware attack on credit card systems at multiple hotels. Attack occurred June 18, 2014 – March 12, 2015. Discovered Feb 25, 2015. 30 NH residents affected; names and credit card numbers acquired. No evidence of misuse. Free credit monitoring offered.

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Incident timeline

undetected · 252 days

discovery → filing · 19 weeks / 135 days

Jun 18, 2014

Begins

Feb 25, 2015

Discovered

Jul 10, 2015

Filed

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

California State AGbd_5f9e8b0cb8d17f502015-07-10Candidate
Massachusetts State AGbd_8fe3dc58a43b5cfc2015-07-13 · +3dVerified

Name: Mandarin Oriental
norm: mandarin oriental

Name: Mandarin Oriental
norm: mandarin oriental
Industry: Hospitalityllm

Discovered: Feb 25, 2015
Breach occurred: Jun 18, 2014 – Mar 12, 2015
Undetected for: 252 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 10, 2015
Affected individuals: 30state-resident count only
Data types: Identity (basic)Financial account
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: cooperation with law enforcement
Initial access: external_remote_services

During the incident: Launched a forensic investigation into the incident
Working in close coordination and cooperation with law enforcement and the credit card companies
Taken several steps to remove the malware
Ensure the hacker is no longer in its systems
Prevent further unauthorized access of personal information contained in its databases
Offering free credit monitoring for one year to guests impacted by this incident
Changes made: Remove the malware
Ensure the hacker is no longer in its systems
Prevent further unauthorized access of personal information contained in its databases
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 weeks(135 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

California State AGJul 10 · first

New Hampshire State AGJul 10 · first · this page

Massachusetts State AG+3d

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://mm.nh.gov/files/uploads/doj/remote-docs/mandarin-oriental-20150710.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 10, 2015
Raw hash: f9f70f44382a6b2866651bede2747dcd183a62942e61ca06a96af29da72df848

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMandarin Oriental

Victim entityMandarin Oriental

Incidentdiscovered Feb 25, 2015

Stated responseLaunched a forensic investigation into the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov