Social EngineeringHealthcareGovernmentHealthcarePhishingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedPHIIdentity (basic)Government IDHealth (basic)FinancialMediumContained

Los Angeles County Dept of Public Health

bd_fb3486d265df333d · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jun 14, 2024

To disclose

—

Affected

Not disclosed

Confidence

66%

Los Angeles County Dept of Public Health experienced a phishing attack between Feb 19-20, 2024, where an external actor gained credentials for 53 employees via a malicious link. Compromised data may include names, DOB, SSN, diagnoses, prescriptions, medical record numbers, and insurance info. DPH disabled accounts, reset devices, and offered one year of identity monitoring via Kroll. Law enforcement was notified.

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Incident timeline

Feb 19, 2024

Begins

Jun 14, 2024

Filed

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

Name: Los Angeles County Dept of Public Health
norm: los angeles county dept of public health
Domain: dph.lacounty.gov

Name: Los Angeles County Dept of Public Health
norm: los angeles county dept of public health
Domain: dph.lacounty.gov
Industry: HealthcarellmGovernmentllm

Discovered: —
Breach occurred: Feb 19, 2024 – Feb 20, 2024
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PHIIdentity (basic)Government IDHealth (basic)Financial
Data elements: Social Security numberDate of birthMedical information
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Will notify the U.S. Department of Health & Human Services’ Office for Civil Rights and other agencies as required by law and/or contract
Initial access: phishing_link

During the incident: Disabled the impacted e-mail accounts
Reset and re-imaged the user’s device(s)
Blocked websites that were identified as part of the phishing campaign
Quarantined all suspicious incoming e-mails
Distributed awareness notifications to all DPH workforce members
Notified law enforcement upon discovery of the phishing attack
Cooperated with law enforcement on this matter
Secured the services of Kroll to provide identity monitoring for one year at no cost
Changes made: Implemented numerous enhancements to reduce exposure to similar e-mail attacks
Continues to strengthen its information privacy and security program to implement safeguards to prevent and/or reduce cyber-attacks
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.

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/sb24-586968
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 14, 2024
Raw hash: ece9f5748135d9ae458e8079984a8bf2d74a3dc3c195f728df30bd9083d26ced

Reporting entityLos Angeles County Dept of Public Health

Victim entityLos Angeles County Dept of Public Health

IncidentPhishing

Stated responseDisabled the impacted e-mail accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov