HackingGovernmentGovernmentData ExfiltratedCustomer Data InvolvedDelayed DiscoveryPIIGovernment IDMediumResolved

The City of Long Beach, CA

bd_75f87927cd73e418 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 14, 2025

To disclose

—

Affected

Not disclosed

Linked

10 filings

Confidence

68%

Full breach record for The City of Long Beach, CA →

On or about November 14, 2023, the City of Long Beach, CA experienced a cybersecurity incident in which an unauthorized actor obtained access to the City's network. After an extensive forensic investigation and manual document review, the City determined on March 18, 2025 that certain impacted files containing personal information (including SSNs) may have been accessed and/or acquired. Affected individuals were notified via letter dated April 14, 2025, and offered complimentary Experian IdentityWorks credit monitoring.

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Incident timeline

Nov 14, 2023

Begins

Apr 14, 2025

Filed

This filing is one of 10 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (9) · sorted by filing gap

Maine State AGbd_2c2586c5c3ae339c2025-04-14Candidate
Montana State AGbd_3f9f13ebade2c9412025-04-14Verified by operator
Oregon State AGbd_5038cad4b88d3b6d2025-04-14Verified by operator
HHS OCRbd_61d3957a1832b7682025-04-14Verified by operator

Show 5 more filings ↓up to 4d gap

Nebraska State AGbd_c53d52be53f4b3152025-04-14Verified by operator
Washington State AGbd_ea54c3cc7ffdfec82025-04-14Verified by operator
Indiana State AGbd_ead97df6ec34a9f12025-04-14Verified by operator
Massachusetts State AGbd_0c331864c0bfd9532025-04-15 · +1dVerified
New Hampshire State AGbd_a3b3ec450935a9132025-04-18 · +4dVerified by operator

Name: The City of Long Beach, CA
norm: the city of long beach ca

Name: The City of Long Beach, CA
norm: the city of long beach ca
Industry: Governmentllm

Discovered: —
Breach occurred: Nov 14, 2023
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIGovernment ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External

During the incident: Immediately initiated a thorough and detailed technical investigation into the incident with the assistance of external information technology experts
Notified our community
Worked closely with leading, external cybersecurity professionals experienced in handling these types of incidents
Notified law enforcement
Notified the public of the incident through various public communications channels
Conducted an extensive forensic investigation and manual document review
Offering a complimentary credit-monitoring service with Experian IdentityWorksSM
Changes made: Continually evaluate and modify our practices to enhance the security and privacy of your personal information
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 9 states

View merged incident ↗

Maine State AGApr 14 · first

Montana State AGApr 14 · first

Oregon State AGApr 14 · first

HHS OCRApr 14 · first

Nebraska State AGApr 14 · first

Washington State AGApr 14 · first

Indiana State AGApr 14 · first

California State AGApr 14 · first · this page

Massachusetts State AG+1d

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://oag.ca.gov/ecrime/databreach/reports/sb24-601396
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: 8744208831c604de8d8114735445c6449ba1524096f9b96976cf2dd17dc1a2c7

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityThe City of Long Beach, CA

Victim entityThe City of Long Beach, CA

IncidentUnauthorized Access

Stated responseImmediately initiated 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 provenanceoag.ca.gov