HackingHealthcareProfessional ServicesHealthcareVulnerability ExploitZero-DayData ExfiltratedSupply Chain (3P Vendor)TargetedIdentity (basic)Government IDHealth (basic)PHIMediumContained

CHSPSC, LLC

bd_ee40a8445255d063 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 2, 2023

Filed

Mar 7, 2023

To disclose

5 weeks

Affected

559state residents only

Linked

13 filings

Confidence

70%

Full breach record for CHSPSC, LLC →5 incidents on file

CHSPSC, LLC reported a third-party security incident involving vendor Fortra, LLC. Unauthorized access occurred Jan 28-30, 2023, via exploitation of a previously unknown vulnerability in Fortra's GoAnywhere file transfer platform. CHSPSC was notified on Feb 2, 2023. Affected data included names, addresses, SSNs, DOBs, and medical/billing information for 559 Washington residents. Incident is contained; credit monitoring offered.

J jump to incidentP pin to compareR raw source

Washington clock⏱ WA AG >30d5 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 · 5 weeks / 33 days

Jan 28, 2023

Begins

Feb 2, 2023

Discovered

Mar 7, 2023

Filed

vs. sector median

4 wks faster

This filing is one of 13 filings 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

California State AGbd_0d9ab92e55f3d8a02023-03-07Candidate
Oregon State AGbd_2b73da2633a307ff2023-03-07Verified
Montana State AGbd_8d82685405a418fc2023-03-08 · +1dVerified
Maine State AGbd_e8298cc5c3b2011e2023-03-08 · +1dVerified

Show 6 more filings ↓up to 45d gap

New Hampshire State AGbd_9d2239f17a10feb92023-03-10 · +3dVerified by operator
South Carolina State AGbd_48a8fadad96197102023-03-13 · +6dVerified by operator
Oregon State AGbd_05ff925166a4537f2023-04-17 · +41dVerified
California State AGbd_bf411ffed68cd2ce2023-04-17 · +41dVerified
Maine State AGbd_fefafc85063dc9bb2023-04-17 · +41dVerified
New Hampshire State AGbd_2bde52fe641f21a12023-04-21 · +45dVerified by operator

Showing first 10 of 12 linked disclosures.

Name: CHSPSC, LLC
norm: chspsc

Name: CHSPSC, LLC
norm: chspsc
Industry: HealthcarellmProfessional Servicesllm

Discovered: Feb 2, 2023
Breach occurred: Jan 28, 2023 – Jan 30, 2023
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 559state-resident count only
Data types: Identity (basic)Government IDHealth (basic)PHI
Data elements: NameSocial Security numberHealth insurance IDMedical informationDate of birth
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found after the fact
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement, including the Federal Bureau of Investigation (“FBI”)Notified law enforcement, including the Cybersecurity and Infrastructure Security Agency (“CISA”)
Third party: via Fortra, LLC
Initial access: exploit_public_facing

During the incident: Contacted law enforcement, including the Federal Bureau of Investigation (“FBI”) and the Cybersecurity and Infrastructure Security Agency (“CISA”)
Begun its own investigation of potential impact
Offering 24 months of complimentary credit monitoring and identity restoration services through Experian
Changes made: Fortra deleted the unauthorized party’s accounts
Fortra rebuilt the secure file transfer platform with system limitations and restrictions
Fortra produced a patch for the software
CHSPSC implemented additional security measures to harden the security of its use of the GoAnywhere platform
CHSPSC immediately applied the patch
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(33 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 · 7 states

View merged incident ↗

California State AGMar 7 · first

Oregon State AGMar 7 · first

Washington State AGMar 7 · first · this page

Montana State AG+1d

Maine State AG+1d

New Hampshire State AG+3d

South Carolina State AG+6d

Oregon State AG+41d

California State AG+41d

Maine State AG+41d

New Hampshire State AG+45d

Pattern: first filing Mar 7 (CA), last Apr 21 (NH) — a 45-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 12 — 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/BreachA20187.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 7, 2023
Raw hash: 28b10bab5f76d578cc0de0b4088fcedce355d1ddea2bc426085de24cbd798356

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityCHSPSC, LLC

Victim entityCHSPSC, LLC

Incidentdiscovered Feb 2, 2023

Stated responseContacted law enforcement, including the Federal Bureau of Investigation (“FBI”) and the Cybersecurity and Infrastructure Security Agency (“CISA”)

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com