HackingHealthcareHealthcareBusiness Associate (HIPAA)Customer Data InvolvedSupply Chain (3P Vendor)PHIHealth (basic)Identity (basic)LowResolved

UC San Diego Health

bd_ddd25e1d4a62bc53 · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 22, 2017

Filed

Jun 14, 2019

To disclose

18 months

Affected

Not disclosed

Confidence

64%

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

UC San Diego Health notified patients that an unauthorized third party accessed medical information via a business associate, Nuance Communications, between Nov 20 and Dec 9, 2017. UCSD learned of the incident on Dec 22, 2017. Affected data included names, DOB, gender, MRNs, and clinical info. No SSNs or financial data were involved. Nuance took the platform offline and notified law enforcement. Identity protection services were offered.

J jump to incidentP pin to compareR raw source

California clockDiscovered Dec 22, 2017 → Notified Jun 28, 2018188d ✗ CA 60-day late18 months discovery → filing

Incident timeline

undetected · 32 days

discovery → filing · 18 months / 539 days

Nov 20, 2017

Begins

Dec 22, 2017

Discovered

Jun 14, 2019

Filed

vs. sector median

+66 wks slower

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

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: Dec 22, 2017
Breach occurred: Nov 20, 2017 – Dec 9, 2017
Undetected for: 32 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 28, 2018
Affected individuals: Not disclosed
Data types: PHIHealth (basic)Identity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: External
Regulator citations: Nuance notified law enforcement authorities
Third party: via Nuance Communications
Initial access: supply_chain

During the incident: Working with Nuance
Nuance took the affected platform offline
Nuance notified law enforcement authorities and cooperated with their investigation
Arranged to have AllClear ID protect your identity for 24 months at no cost
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 months(539 days from discovery to filing)
Compliance flags: CA 60-day late · 188d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Dec 22, 2017
→ Notified: Jun 28, 2018
188d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Dec 22, 2017 → Notified: Jun 28, 2018	188d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

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/sb24-148112
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 14, 2019
Raw hash: ef71a65950fb36c575110fc931ad449c37ece765479a6b470e2e6bbce8cff93c

Reporting entityUC San Diego Health

Victim entityUC San Diego Health

Incidentdiscovered Dec 22, 2017

Stated responseWorking with Nuance

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov