Social EngineeringHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDPHIHealth (basic)MediumContained

UC San Diego Health

bd_7fd4f4ee6122cbae · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 9, 2024

Filed

Mar 8, 2024

To disclose

8 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

65%

Full breach record for UC San Diego Health →6 incidents on file

UC San Diego Health experienced a phishing attack on January 9, 2024, resulting in unauthorized access to two employee email accounts between January 9 and January 22, 2024. The breach exposed patient information including names, Social Security numbers, medical record numbers, and clinical data. The organization secured the accounts, enhanced security controls, and offered identity theft protection services to affected individuals.

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Incident timeline

discovery → filing · 8 weeks / 59 days

Jan 9, 2024

Begins

Jan 9, 2024

Discovered

Mar 8, 2024

Filed

vs. sector median

3 wks faster

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

HHS OCRbd_0e4169907efdd5592024-03-08Verified by operator

Name: UC San Diego Health
norm: uc san diego health
Domain: health.ucsd.edu

Name: UC San Diego Health
norm: uc san diego health
Domain: health.ucsd.edu
Industry: Healthcarellm

Discovered: Jan 9, 2024
Breach occurred: Jan 9, 2024 – Jan 22, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDPHIHealth (basic)
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
Initial access: phishing_link

During the incident: Secured the email accounts
Enhanced security controls
Began an investigation to determine what happened, what information was involved, and to whom the information belonged
Conducted a detailed review and analysis of the email accounts’ contents
Providing phishing prevention training and education to employees
Offering 12/24-month free membership to Experian IdentityWorks Credit 3B
Changes made: Enhancing security controls
Providing phishing prevention training and education to employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(59 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings

View merged incident ↗

HHS OCRMar 8 · first

California State AGMar 8 · 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://oag.ca.gov/ecrime/databreach/reports/sb24-582207
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 8, 2024
Raw hash: 12aff872d454547d5a469f9cb6e7be3df729514df50cc37a3e787ef808c91b21

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityUC San Diego Health

Victim entityUC San Diego Health

Incidentdiscovered Jan 9, 2024

Stated responseSecured the email accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov