Social EngineeringHealthcareHealthcarePhishingStolen CredentialsBusiness Associate (HIPAA)Customer Data InvolvedPHIHealth (basic)Government IDIdentity (basic)Financial accountMediumContained

Verity Health System of California, Inc.

bd_0c503f51cc8e8c33 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 27, 2018

Filed

Jan 25, 2019

To disclose

8 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

64%

Full breach record for Verity Health System of California, Inc. →3 incidents on file

Verity Health System notified individuals that a third party compromised an employee's Microsoft 365 email account on November 27, 2018. The attacker sent emails with malicious links to obtain credentials. Health information, including SSNs and medical records, may have been accessed from email attachments. VHS acted as a business associate for O'Connor Hospital. The incident was contained, and credit monitoring was offered.

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California clockDiscovered Nov 27, 2018 → Notified Jan 25, 201959d ✓ CA 60-day OK8 weeks discovery → filing

Incident timeline

discovery → filing · 8 weeks / 59 days

Nov 27, 2018

Begins

Nov 27, 2018

Discovered

Jan 25, 2019

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_c973d28fb73beca12019-01-26 · +1dCandidate

Name: Verity Health System of California, Inc.
norm: verity health system of california

Name: Verity Health System of California, Inc.
norm: verity health system of california
Industry: Healthcarellm

Discovered: Nov 27, 2018
Breach occurred: Nov 27, 2018
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 25, 2019
Affected individuals: Not disclosed
Data types: PHIHealth (basic)Government IDIdentity (basic)Financial account
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: phishing_link

During the incident: Terminated the unauthorized access
Disabled the email account
Disconnected the device from the network
Removed all unauthorized emails sent to Verity or affiliated employees
Disabled all email accounts where the user clicked on the link before the email was deleted
Provided individual counseling and re-education to the individuals involved
Deploying a new mandatory training module for all employees
Initiated a project to enhance security
Mandating password resets for all employees
Disabling unknown URLs
Offering identity and credit monitoring service for one year
Changes made: Provided individual counseling and re-education to the individuals involved
Deploying a new mandatory training module for all employees
Initiated a project to enhance security
Mandating password resets for all employees
Disabling unknown URLs
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(59 days from discovery to filing)
Compliance flags: CA 60-day OK · 59d
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: Nov 27, 2018
→ Notified: Jan 25, 2019
59d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Nov 27, 2018 → Notified: Jan 25, 2019	59d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings

View merged incident ↗

California State AGJan 25 · first · this page

HHS OCR+1d

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/sb24-144152
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 25, 2019
Raw hash: 88dee96a26c722dff76e6e9e6c48a1f718a4469afcb6ea4ad65b986d10e5cb4a

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityVerity Health System of California, Inc.

Victim entityVerity Health System of California, Inc.

Incidentdiscovered Nov 27, 2018

Stated responseTerminated the unauthorized access

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov