HackingHealthcareHealthcareStolen CredentialsCustomer Data InvolvedPHIIdentity (basic)LowContained

Keck Medicine of USC

bd_12944ae92406fba3 · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 30, 2022

Filed

Dec 16, 2022

To disclose

11 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

65%

Full breach record for Keck Medicine of USC →2 incidents on file

On September 30, 2022, Keck Medicine of USC discovered unauthorized access to a provider's work email account. The incident involved potential exposure of protected health information and basic identity data. Keck secured the account, engaged forensic investigators, and is offering identity protection services to affected individuals. No financial account information or Social Security numbers were involved.

J jump to incidentP pin to compareR raw source

California clockDiscovered Sep 30, 2022 → Notified Dec 15, 202276d ✗ CA 60-day late11 weeks discovery → filing

Incident timeline

discovery → filing · 11 weeks / 77 days

Sep 30, 2022

Begins

Sep 30, 2022

Discovered

Dec 16, 2022

Filed

vs. sector median

2 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

Montana State AGbd_bdd6a81b476ae06b2022-12-16Verified

Name: Keck Medicine of USC
norm: keck medicine of usc
Domain: keckmedicine.org

Name: Keck Medicine of USC
norm: keck medicine of usc
Domain: keckmedicine.org
Industry: Healthcarellm

Discovered: Sep 30, 2022
Breach occurred: Sep 30, 2022
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 15, 2022
Affected individuals: Not disclosed
Data types: PHIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Immediately took steps to secure the account
Launched an investigation with the assistance of an independent forensic investigator
Undertook a review of the contents of the email account to determine what, if any, personal or protected health information may have been involved
Offering complimentary identity protection services through IDX
Changes made: Assigned the provider additional security awareness training
Working to implement additional technical controls to reduce the likelihood of a similar incident reoccurring
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(77 days from discovery to filing)
Compliance flags: CA 60-day late · 76d
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: Sep 30, 2022
→ Notified: Dec 15, 2022
76d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Sep 30, 2022 → Notified: Dec 15, 2022	76d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Montana State AGDec 16 · first

California State AGDec 16 · 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/sb24-560177
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 16, 2022
Raw hash: e59b0fb6882d2a1915de81a87e0562ecc7a3d8f03f6ff8952453856bc0e6eebe

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityKeck Medicine of USC

Victim entityKeck Medicine of USC

Incidentdiscovered Sep 30, 2022

Stated responseImmediately took steps to secure the account

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov