Social EngineeringHospitalityHospitalityPhishingStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Aimbridge Hospitality Holdings, LLC

bd_91c48fafabf54693 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 14, 2018

Filed

Jan 3, 2019

To disclose

16 weeks

Affected

135state residents only

Linked

6 filings

Confidence

66%

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

Aimbridge Hospitality Holdings, LLC notified the NH AG of a phishing incident resulting in unauthorized access to employee email accounts between June 7 and September 24, 2018. Discovered September 14, 2018. 135 NH residents affected. Data included names, SSNs, financial account numbers, and driver's license numbers. Remediation included password resets, MFA implementation, and credit monitoring.

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Incident timeline

undetected · 99 days

discovery → filing · 16 weeks / 111 days

Jun 7, 2018

Begins

Sep 14, 2018

Discovered

Jan 3, 2019

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

California State AGbd_e48eb334deda60f62019-01-02 · +1dVerified
Massachusetts State AGbd_9530f0e8c007b1d22018-12-31 · +3dVerified
Oregon State AGbd_a7120229d278b1422018-12-31 · +3dCandidate
Montana State AGbd_bdeac05efe79abd22018-12-31 · +3dVerified

Show 1 more filing ↓up to 3d gap

Washington State AGbd_f19008c3ce0568512018-12-31 · +3dVerified

Name: Mullen Coughlin LLC
norm: mullen coughlin

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: 135state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire 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 Trans Union Interactive
Changes made: Reset passwords for all affected accounts
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: 16 weeks(111 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

California State AG+2d

New Hampshire State AG+3d · 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://mm.nh.gov/files/uploads/doj/remote-docs/aimbridge-20190103.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 3, 2019
Raw hash: 1d004f42bdde5d05ea456257dda373a3dccaaf0a01f15dae50914b06316a062f

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityMullen Coughlin 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 provenancemm.nh.gov