HackingHealthcareHealthcareVulnerability ExploitData MishandlingSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedZero-DayIdentity (basic)Health (basic)LowContained

Brightline

bd_bf99fc2a4df4a34d · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 4, 2023

Filed

May 17, 2023

To disclose

15 weeks

Affected

Not disclosed

Linked

26 filings

Confidence

64%

Full breach record for Brightline →

Brightline, Inc., a virtual behavioral health provider, notified the California AG of a data breach affecting subscriber eligibility information. The incident stemmed from a third-party vendor, Fortra, whose GoAnywhere MFT service was compromised via a previously unknown vulnerability on January 30, 2023. Brightline became aware of the incident on February 4, 2023. Affected data included names, addresses, member IDs, dates of birth, phone numbers, and employer information. No SSNs, financial accounts, or medical records were involved. Brightline removed data from the service, implemented additional security measures, and offered 2 years of credit monitoring.

J jump to incidentP pin to compareR raw source

California clockDiscovered Feb 4, 2023 → Notified Apr 7, 202362d ✗ CA 60-day late15 weeks discovery → filing

Incident timeline

undetected · 5 days

discovery → filing · 15 weeks / 102 days

Jan 30, 2023

Begins

Feb 4, 2023

Discovered

May 17, 2023

Filed

vs. sector median

+3 wks slower

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 62 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

California State AGbd_d59ed55c5ee4770a2023-05-12 · +5dVerified
California State AGbd_0868c3f9cf5006022023-05-10 · +7dVerified
HHS OCRbd_4c63e3855981b1222023-05-10 · +7dVerified
Maine State AGbd_b69375073a6e96d42023-05-10 · +7dVerified

Show 6 more filings ↓up to 30d gap

HHS OCRbd_f567c60a6fd57cc42023-05-26 · +9dVerified
Oregon State AGbd_163db05cc4cb89582023-05-02 · +15dVerified by operator
California State AGbd_a1b16fb406ed3ce92023-04-21 · +26dVerified
HHS OCRbd_a0176e4142b0a3702023-04-20 · +27dVerified
Vermont State AGbd_5ea7d3fbb2a5464a2023-04-19 · +28dVerified
New Hampshire State AGbd_ab681e087aaa2ef42023-04-17 · +30dVerified

Showing first 10 of 25 linked disclosures.

Name: Brightline
norm: brightline
Domain: hellobrightline.com

Name: Brightline
norm: brightline
Domain: hellobrightline.com
Industry: Healthcarellm

Discovered: Feb 4, 2023
Breach occurred: Jan 30, 2023
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 7, 2023
Affected individuals: Not disclosed
Data types: Identity (basic)Health (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1195 Supply Chain CompromiseT1041 Exfiltration Over C2 Channel
Threat actor: External
Third party: via Fortra
Initial access: exploit_public_facing

During the incident: Confirmed Fortra deactivated the unauthorized user’s credentials
Turned off the service and rebuilt Brightline’s version so it was no longer vulnerable
Implemented additional security measures, including limiting ongoing access to verified users
Removed all Brightline data from the service
Continuing ongoing measures to reduce data exposure until an alternative file transfer solution is identified and implemented
Retained cyber counsel to assist with our investigation
Secured the services of Cyberscout to provide identity theft restoration and credit monitoring services at no cost for 2 years
Changes made: Enhance our cybersecurity program to further safeguard from cyber threats
Identify and implement an alternative file transfer solution
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(102 days from discovery to filing)
Compliance flags: CA 60-day late · 62dLeak >30d
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: Feb 4, 2023
→ Notified: Apr 7, 2023
62d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Feb 4, 2023 → Notified: Apr 7, 2023	62d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

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

Oregon State AG+15d

California State AG+23d

HHS OCR+23d

Maine State AG+23d

California State AG+25d

California State AG+30d · this page

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/sb24-566866
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 17, 2023
Raw hash: 41e5dd022ed8d5aba6e1273a97e1448e3488ecccfa01458dc07931dfc41c920b

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

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov