HackingHospitalityTechnologyHospitalityStolen CredentialsCapture Stored DataSupply Chain (3P Vendor)Data ExfiltratedFinancial accountIdentity (basic)LowContained

Four Seasons Hotels Limited

bd_9c109ae788ede020 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jun 6, 2017

Filed

Jul 6, 2017

To disclose

4 weeks

Affected

636state residents only

Linked

5 filings

Confidence

70%

Full breach record for Four Seasons Hotels Limited →

Four Seasons Hotels Limited notified the Washington AG of a third-party breach involving Sabre Hospitality Solutions. Unauthorized access to Sabre's SynXis CRS system occurred from Aug 10, 2016 to Mar 9, 2017 via stolen credentials. 636 Washington residents affected; payment card info and PII exposed. Incident contained June 6, 2017.

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Incident timeline

undetected · 300 days

discovery → filing · 4 weeks / 30 days

Aug 10, 2016

Begins

Jun 6, 2017

Discovered

Jul 6, 2017

Filed

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

California State AGbd_c584c626ce77fb932017-07-06Verified
New Hampshire State AGbd_d069a6c18b7c98902017-07-06Verified
Montana State AGbd_a2a27652fbf4a7e82017-07-07 · +1dVerified
Massachusetts State AGbd_b4720887998d60582017-07-07 · +1dVerified

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: Four Seasons Hotels Limited
norm: four seasons hotels
Industry: HospitalityllmTechnologyllm

Discovered: Jun 6, 2017
Breach occurred: Aug 10, 2016 – Mar 9, 2017
Undetected for: 300 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 6, 2017
Affected individuals: 636state-resident count only
Data types: Financial accountIdentity (basic)
Data elements: NameFinancial account number
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 300-399dexposure 200-299d
WA-stated discovery: Found after the fact
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified Office of Washington Attorney General
Third party: via Sabre Hospitality Solutions
Initial access: valid_credentials

During the incident: Engaged a leading cybersecurity firm to support its investigation
Notified law enforcement and major credit card brands
Contained the issue and revoked unauthorized access
Provided written, electronic and/or substitute notice to affected residents
Made a microsite available to residents
Changes made: Strengthened cybersecurity program
Investment in state of the art security technology
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(30 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

California State AGJul 6 · first

New Hampshire State AGJul 6 · first

Washington State AGJul 6 · first · this page

Montana State AG+1d

Massachusetts State AG+1d

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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM9719.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 6, 2017
Raw hash: bf990199ef6efd8fe97cdf3a163be19accef580499ae3f7b3e6d30e0df7840b7

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityFour Seasons Hotels Limited

Incidentdiscovered Jun 6, 2017

Stated responseEngaged a leading cybersecurity firm to support its investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com