Social EngineeringEducationEducationPhishingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedTargetedIdentity (basic)Government IDFinancial accountFinancial credentialsMediumContained

Denver Art Museum

bd_2fe4431f022090a0 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 13, 2017

Filed

Oct 3, 2017

To disclose

20 days

Affected

1state residents only

Confidence

66%

Full breach record for Denver Art Museum →2 incidents on file

Denver Art Museum notified NH AG of a data breach affecting 1 NH resident. Unauthorized access to email accounts occurred June 5-27, 2017, via malicious email. Data exposed included names, addresses, DOB, SSN, credit card info, bank accounts, driver's licenses, and passports. Museum engaged forensic investigators and offered 1 year of credit monitoring via Kroll.

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Incident timeline

undetected · 100 days

discovery → filing · 20 days

Jun 5, 2017

Begins

Sep 13, 2017

Discovered

Oct 3, 2017

Filed

vs. sector median

6 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: SNELL & WILMER L.L.P.
norm: snell wilmer

Name: Denver Art Museum
norm: denver art museum
Industry: Educationllm

Discovered: Sep 13, 2017
Breach occurred: Jun 5, 2017 – Jun 27, 2017
Undetected for: 100 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial accountFinancial credentials
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified the New Hampshire Attorney General
Initial access: phishing_link

During the incident: Conducted a thorough review of the potentially affected computer systems
Retained a third-party firm to conduct a forensic investigation
Implemented additional security measures
Arranged for Kroll to offer the option of one (1) year of credit monitoring free of charge
Changes made: Implemented additional security measures designed to prevent the recurrence of such an attack
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 days(20 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/denver-art-20171003.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 3, 2017
Raw hash: 322b1a57c208fb1ea6981b2d2c340706d49c93c1c62f1ba811d14f1e46fd0534

Reporting entitySNELL & WILMER L.L.P.

Victim entityDenver Art Museum

Incidentdiscovered Sep 13, 2017

Stated responseConducted a thorough review of the potentially affected computer systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov