HackingOtherStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Arcadia Publishing, Inc

bd_5afcc48675649bc0 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 19, 2023

Filed

Oct 4, 2023

To disclose

24 weeks

Affected

83state residents only

Linked

6 filings

Confidence

65%

Full breach record for Arcadia Publishing, Inc →

Arcadia Publishing, Inc. notified affected individuals of a security incident where unauthorized access occurred between March 6 and April 19, 2023. The breach involved personal information including names and government identifiers. Arcadia offered 12 months of identity monitoring services and is implementing additional safeguards.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 44 days

discovery → filing · 24 weeks / 168 days

Mar 6, 2023

Begins

Apr 19, 2023

Discovered

Oct 4, 2023

Filed

vs. sector median

+16 wks slower

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_3cfc2141bc9571ce2023-10-04Candidate
Vermont State AGbd_7b81b35e181b1bf32023-10-04Verified
Indiana State AGbd_9d3798c8ba6936872023-10-04Verified
Maine State AGbd_a48c88ef2a51812d2023-10-04Verified by operator

Show 1 more filing ↓

Massachusetts State AGbd_cc7180aaf2328e7e2023-10-04Verified

Name: Arcadia Publishing, Inc
norm: arcadia publishing

Name: Arcadia Publishing, Inc
norm: arcadia publishing
Industry: Otherllm

Discovered: Apr 19, 2023
Breach occurred: Mar 6, 2023 – Apr 19, 2023
Undetected for: 44 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 18, 2023
Affected individuals: 83state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Moved quickly to investigate and respond to the incident
Assessed the security of our systems
Restored functionality to the environment
Notified potentially affected individuals
Offering twelve (12) months of complimentary identity monitoring services through Kroll
Changes made: Reviewing existing policies and procedures
Implementing additional administrative and technical safeguards
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 24 weeks(168 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 ↗

California State AGOct 4 · first

Vermont State AGOct 4 · first

Indiana State AGOct 4 · first

Maine State AGOct 4 · first

Massachusetts State AGOct 4 · first

Montana State AGOct 4 · first · 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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-747.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 4, 2023
Raw hash: 32ff0369a064246f9212600b23c7b8359df4c2e3065f72424e6804d4bdee683d

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityArcadia Publishing, Inc

Victim entityArcadia Publishing, Inc

Incidentdiscovered Apr 19, 2023

Stated responseMoved quickly to investigate and respond to the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov