HackingHealthcareTechnologyHealthcareVulnerability ExploitStolen CredentialsZero-DayData ExfiltratedCustomer Data InvolvedSupply Chain (3P Vendor)Multi-Stage ChainIdentity (basic)Government IDHighContained

Brightline

bd_585a7f8283a79bef · schema v1 · pii pii-v1

Severity

High

Discovered

Feb 4, 2023

Filed

Apr 10, 2023

To disclose

9 weeks

Affected

26,333state residents only

Linked

26 filings

Confidence

69%

Full breach record for Brightline →

Brightline, Inc. notified Washington AG of a breach involving third-party vendor Fortra's GoAnywhere MFT service. Unauthorized access occurred Jan 30, 2023, exploiting a previously unknown vulnerability. Brightline was notified Feb 4, 2023. Data exposed included names, addresses, DOBs, member IDs, and SSNs for ~26,333 WA residents. Notifications sent April 7, 2023.

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Washington clock⏱ WA AG >30d9 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 5 days

discovery → filing · 9 weeks / 65 days

Jan 30, 2023

Begins

Feb 4, 2023

Discovered

Apr 10, 2023

Filed

vs. sector median

3 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 →

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Vermont State AGbd_5ea7d3fbb2a5464a2023-04-19 · +9dVerified
HHS OCRbd_a0176e4142b0a3702023-04-20 · +10dVerified
California State AGbd_a1b16fb406ed3ce92023-04-21 · +11dVerified
Oregon State AGbd_163db05cc4cb89582023-05-02 · +22dVerified by operator

Show 6 more filings ↓up to 46d gap

California State AGbd_0868c3f9cf5006022023-05-10 · +30dVerified
HHS OCRbd_4c63e3855981b1222023-05-10 · +30dVerified
Maine State AGbd_b69375073a6e96d42023-05-10 · +30dVerified
California State AGbd_d59ed55c5ee4770a2023-05-12 · +32dVerified
California State AGbd_bf99fc2a4df4a34d2023-05-17 · +37dVerified
HHS OCRbd_f567c60a6fd57cc42023-05-26 · +46dVerified

Showing first 10 of 25 linked disclosures.

Name: Brightline
norm: brightline
Domain: hellobrightline.com

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

Discovered: Feb 4, 2023
Breach occurred: Jan 30, 2023
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 7, 2023
Affected individuals: 26,333state-resident count only
Data types: Identity (basic)Government ID
Data elements: NameSocial Security numberDate of birth
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 0d
WA-stated discovery: Found after the fact
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Fortra promptly notified law enforcement and is cooperating with their investigation
Third party: via Fortra
Initial access: exploit_public_facing

During the incident: Engaged its incident response plan
Confirmed Fortra deactivated the unauthorized user’s credentials
Disabled the vulnerable java servlet
Rebuilt Brightline’s instance on new infrastructure
Implemented whitelisting for limited IP addresses to access the previously vulnerable administrative portal
Removed all Brightline data from the GoAnywhere MFT SaaS
Retained cyber counsel to assist with its investigation
Established a call center to answer consumer questions
Changes made: Implementing ongoing measures to reduce data exposure until an alternative file transfer solution is identified and implemented
Continuing to enhance its cybersecurity program to further safeguard its systems from cyber threats
Offering complimentary two-year memberships with a credit monitoring service
Advising affected residents about the process for placing fraud alerts and/or security freezes on their credit files
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(65 days from discovery to filing)
Compliance flags: WA AG >30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 5 states

View merged incident ↗

Washington State AGApr 10 · first · this page

Vermont State AG+9d

HHS OCR+10d

California State AG+11d

Oregon State AG+22d

California State AG+30d

HHS OCR+30d

Maine State AG+30d

California State AG+32d

California State AG+37d

HHS OCR+46d

Pattern: first filing Apr 10 (WA), last May 26 (CA) — a 46-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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA21630.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 10, 2023
Raw hash: b71fcaf2ba1500c0897ddd72cda0db2930b97111309e9f13a810da911e632aa7

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityBrightline

Victim entityBrightline

Incidentdiscovered Feb 4, 2023

Stated responseEngaged its incident response plan

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com