HackingGovernmentGovernmentStolen CredentialsCustomer Data InvolvedPIIIdentity (basic)LowContained

Long Beach

bd_3f9f13ebade2c941 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 14, 2023

Filed

Apr 14, 2025

To disclose

17 months

Affected

109state residents only

Linked

6 filings

Confidence

65%

Full breach record for Long Beach →

The City of Long Beach, CA, notified residents in multiple states (including Montana, Iowa, Maryland, etc.) of a cybersecurity incident occurring on November 14, 2023. An unauthorized actor accessed the network, potentially exposing personal information. The City engaged external experts, notified law enforcement, and offered complimentary credit monitoring via Experian.

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Incident timeline

discovery → filing · 17 months / 517 days

Nov 14, 2023

Begins

Nov 14, 2023

Discovered

Apr 14, 2025

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

Oregon State AGbd_5038cad4b88d3b6d2025-04-14Verified
HHS OCRbd_61d3957a1832b7682025-04-14Verified
California State AGbd_75f87927cd73e4182025-04-14Verified
Washington State AGbd_ea54c3cc7ffdfec82025-04-14Verified

Show 1 more filing ↓up to 4d gap

New Hampshire State AGbd_a3b3ec450935a9132025-04-18 · +4dVerified

Name: Long Beach
norm: long beach
Domain: cityoflongbeach.org

Name: Long Beach
norm: long beach
Domain: cityoflongbeach.org
Industry: Governmentllm

Discovered: Nov 14, 2023
Breach occurred: Nov 14, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 14, 2025
Affected individuals: 109state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: notified law enforcement
Initial access: valid_credentials

During the incident: Initiated a thorough and detailed technical investigation into the incident with the assistance of external information technology experts
Notified our community
Working very closely with leading, external cybersecurity professionals
Notified law enforcement
Notified the public of the incident through various public communications channels
Offering a complimentary credit-monitoring service with Experian IdentityWorks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 months(517 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 · 5 states

View merged incident ↗

Oregon State AGApr 14 · first

HHS OCRApr 14 · first

California State AGApr 14 · first

Washington State AGApr 14 · first

Montana State AGApr 14 · first · this page

New Hampshire State AG+4d

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/2025/04/Consumer-notification-letter-20.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 14, 2025
Raw hash: fff93bcd6808901513d1535834cceabd62857dae21cc1e6ddbc15c722dfd8583

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityLong Beach

Victim entityLong Beach

Incidentdiscovered Nov 14, 2023

Stated responseInitiated a thorough and detailed technical investigation into the incident with the assistance of external information technology experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov