MalwareRetail & ConsumerRetailRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedSupply Chain (3P Vendor)Identity (basic)Financial accountCredentialsAuthenticationMediumContained

Costco Photo Center

bd_ea849776f0d2c965 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 17, 2015

Filed

Sep 29, 2015

To disclose

11 weeks

Affected

4,436state residents only

Linked

2 filings

Confidence

66%

Full breach record for Costco Photo Center →

Costco Photo Center notified Hawaii AG of a breach at its hosting provider. Unauthorized access occurred June 19, 2014 to July 15, 2015. Malware captured user input including credit card data, names, and passwords. 4,436 Hawaii residents notified. Costco engaged forensic investigators, took site offline, deleted stored cards, and offered credit monitoring.

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Hawaii clock✓ HI CRA notice due11 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 393 days

discovery → filing · 11 weeks / 74 days

Jun 19, 2014

Begins

Jul 17, 2015

Discovered

Sep 29, 2015

Filed

vs. sector median

+3 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

California State AGbd_9002831beac56b712015-09-23 · +6dCandidate

Name: Costco Photo Center
norm: costco photo center

Name: Costco Photo Center
norm: costco photo center
Industry: Retail & Consumerllm

Discovered: Jul 17, 2015
Breach occurred: Jun 19, 2014 – Jul 15, 2015
Undetected for: 393 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 21, 2015
Affected individuals: 4,436state-resident count only
Data types: Identity (basic)Financial accountCredentialsAuthentication
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified State of Hawaii Office of Consumer Protection
Initial access: supply_chain

During the incident: Took the Site offline entirely
Engaged a third-party forensic vendor to investigate
Deleted all stored credit card information
Brought the site back online with limited functionality and new security measures
Informed the credit reporting agencies and payment card networks
Required all users to reset their passwords
Arranged for identity theft recovery and credit monitoring services from ID Experts
Changes made: Implemented new payment technology with enhanced security features
Worked closely with hosting company to implement security tools and tests
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(74 days from discovery to filing)
Compliance flags: HI CRA notice due
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

California State AGSep 23 · first

Hawaii State AG+6d · this page

Pattern: first filing Sep 23 (CA), last Sep 29 (HI) — a 6-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://web.archive.org/web/20211024101019id_/https://cca.hawaii.gov/ocp/files/2015/12/OCP-2015-0605.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 29, 2015
Raw hash: b25f0374e96cc52d6e48b6e7a4e180ea43b3240eb12201a38a94be7ecfb032f3

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityCostco Photo Center

Victim entityCostco Photo Center

Incidentdiscovered Jul 17, 2015

Stated responseTook the Site offline entirely

ComplianceHI CRA notice due

Extraction provenanceno artifact recorded

Source provenanceweb.archive.org