HackingHealthcareProfessional ServicesHealthcareVulnerability ExploitData MishandlingSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedZero-DayIdentity (basic)EmploymentHealth (basic)LowContained

Brightline

bd_a1b16fb406ed3ce9 · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 4, 2023

Filed

Apr 21, 2023

To disclose

11 weeks

Affected

Not disclosed

Linked

26 filings

Confidence

65%

Full breach record for Brightline →

Brightline, Inc. notified the California AG of a data breach involving a third-party vendor, Fortra (GoAnywhere MFT). An unauthorized party exploited a previously unknown vulnerability in Fortra's SaaS to access and download files containing personal information of Stanford group health plan members. Affected data includes names, addresses, DOBs, phone numbers, member IDs, employer names, and coverage dates. Brightline deactivated credentials, rebuilt infrastructure, and removed data from the affected service. Identity theft protection services were offered.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d11 weeks discovery → filing

Incident timeline

undetected · 5 days

discovery → filing · 11 weeks / 76 days

Jan 30, 2023

Begins

Feb 4, 2023

Discovered

Apr 21, 2023

Filed

vs. sector median

1 wks faster

This filing is one of 26 about the same incident.View merged incident

Part of FORTRA, LLC supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

A leak claim by cl0p about this victim predates this filing by 36 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

HHS OCRbd_a0176e4142b0a3702023-04-20 · +1dVerified
Vermont State AGbd_5ea7d3fbb2a5464a2023-04-19 · +2dVerified
New Hampshire State AGbd_ab681e087aaa2ef42023-04-17 · +4dVerified
Oregon State AGbd_163db05cc4cb89582023-05-02 · +11dVerified by operator

Show 6 more filings ↓up to 35d gap

California State AGbd_0868c3f9cf5006022023-05-10 · +19dVerified
HHS OCRbd_4c63e3855981b1222023-05-10 · +19dVerified
Maine State AGbd_b69375073a6e96d42023-05-10 · +19dVerified
California State AGbd_d59ed55c5ee4770a2023-05-12 · +21dVerified
California State AGbd_bf99fc2a4df4a34d2023-05-17 · +26dVerified
HHS OCRbd_f567c60a6fd57cc42023-05-26 · +35dVerified

Showing first 10 of 25 linked disclosures.

Name: Brightline
norm: brightline
Domain: hellobrightline.com

Name: Brightline
norm: brightline
Domain: hellobrightline.com
Industry: HealthcarellmProfessional Servicesllm

Discovered: Feb 4, 2023
Breach occurred: Jan 30, 2023
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)EmploymentHealth (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: External
Third party: via Fortra
Initial access: supply_chain

During the incident: Confirmed Fortra deactivated the unauthorized user’s credentials
Disabled the vulnerable java servlet
Rebuilt Brightline’s instance on new infrastructure
Implemented additional security measures, including a whitelisting for limited IP addresses to access the previously vulnerable administrative portal
Removal of all Brightline data from the GoAnywhere MFT SaaS
Retained cyber counsel to assist with our investigation
Changes made: Implemented additional security measures, including a whitelisting for limited IP addresses to access the previously vulnerable administrative portal
Removal of all Brightline data from the GoAnywhere MFT SaaS
Ongoing measures to reduce data exposure until an alternative file transfer solution is identified and implemented
Continue to enhance our cybersecurity program to further safeguard our systems from cyber threats
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(76 days from discovery to filing)
Compliance flags: Leak >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 5 states

View merged incident ↗

New Hampshire State AGApr 17 · first

Vermont State AG+2d

HHS OCR+3d

California State AG+4d · this page

Oregon State AG+15d

California State AG+23d

HHS OCR+23d

Maine State AG+23d

California State AG+25d

California State AG+30d

HHS OCR+39d

Pattern: first filing Apr 17 (NH), last May 26 (CA) — a 39-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 25 — the full spread may be wider.

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/sb24-565859
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 21, 2023
Raw hash: b2d18f61ff962fe7c1c78959baee7672d10fe8d070fcfbbf72a6738fb63ebaf8

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityBrightline

Victim entityBrightline

Incidentdiscovered Feb 4, 2023

Stated responseConfirmed Fortra deactivated the unauthorized user’s credentials

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov