Social EngineeringHospitalityHospitalityPhishingCustomer Data InvolvedTargetedIdentity (basic)Government IDFinancial accountMediumContained

Aimbridge Hospitality Holdings, LLC

bd_f19008c3ce056851 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 14, 2018

Filed

Dec 31, 2018

To disclose

15 weeks

Affected

647state residents only

Linked

6 filings

Confidence

71%

Full breach record for Aimbridge Hospitality Holdings, LLC →3 incidents on file

Aimbridge Hospitality Holdings LLC reported a phishing incident affecting 647 Washington residents. Unauthorized access to employee email accounts occurred between June 7 and September 24, 2018. The company discovered the incident on September 14, 2018, and notified the Washington Attorney General on December 31, 2018. Affected data included names, SSNs, driver's license numbers, and financial account numbers. The company reset passwords, implemented MFA, and provided one year of credit monitoring.

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Incident timeline

undetected · 99 days

discovery → filing · 15 weeks / 108 days

Jun 7, 2018

Begins

Sep 14, 2018

Discovered

Dec 31, 2018

Filed

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Massachusetts State AGbd_9530f0e8c007b1d22018-12-31Verified
Oregon State AGbd_a7120229d278b1422018-12-31Candidate
Montana State AGbd_bdeac05efe79abd22018-12-31Verified
California State AGbd_e48eb334deda60f62019-01-02 · +2dVerified

Show 1 more filing ↓up to 3d gap

New Hampshire State AGbd_91c48fafabf546932019-01-03 · +3dVerified

Name: Aimbridge Hospitality Holdings, LLC
norm: aimbridge hospitality

Name: Aimbridge Hospitality Holdings, LLC
norm: aimbridge hospitality
Industry: Hospitalityllm

Discovered: Sep 14, 2018
Breach occurred: Jun 7, 2018 – Sep 24, 2018
Undetected for: 99 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 31, 2018
Affected individuals: 647state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: NameSocial Security numberDriver's licence numberFinancial account number
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 100-199dexposure 100-199d
WA-stated discovery: Found while ongoing
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified Washington Office of the Attorney General
Initial access: phishing_link

During the incident: Launched an investigation into the unusual activity
With the assistance of computer forensics experts, they learned of an email phishing incident
Reset passwords for all affected accounts
Implemented multi-factor authentication for email access and enhanced email security
Conducted additional employee training
Offering affected individuals one (1) year of complimentary credit monitoring and identity restoration services through TransUnion Interactive
Changes made: Implemented multi-factor authentication for email access and enhanced email security
Conducted additional employee training
Reviewing our policies and procedures relating to data security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(108 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Massachusetts State AGDec 31 · first

Oregon State AGDec 31 · first

Montana State AGDec 31 · first

Washington State AGDec 31 · first · this page

California State AG+2d

New Hampshire 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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM10607.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 31, 2018
Raw hash: 946f58d885db4bfd335fc0499f417e4136aa3b996908ea9651f26f3e457c76c4

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityAimbridge Hospitality Holdings, LLC

Victim entityAimbridge Hospitality Holdings, LLC

Incidentdiscovered Sep 14, 2018

Stated responseLaunched an investigation into the unusual activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com