HackingHealthcareProfessional ServicesHealthcareVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedPIIPHIIdentity (basic)Health (basic)LowContained

NASCO

bd_5dcd476cd7204fbf · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 12, 2023

Filed

Jan 10, 2024

To disclose

26 weeks

Affected

Not disclosed

Linked

17 records

Confidence

65%

Full breach record for NASCO →3 incidents on file

NASCO, a benefits administration services provider for health plans, experienced a data security incident on May 30, 2023, involving its third-party file-sharing application, MOVEit Transfer by Progress Software. A threat actor exploited a vulnerability in MOVEit to acquire data. NASCO discovered the incident on July 12, 2023. Affected data includes personal and health information of health plan members. NASCO decommissioned the affected server, discontinued MOVEit use, engaged forensic investigators, notified law enforcement, and is offering 24 months of identity monitoring via Experian.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 43 days

discovery → filing · 26 weeks / 182 days

May 30, 2023

Begins

Jul 12, 2023

Discovered

Jan 10, 2024

Filed

vs. sector median

+17 wks slower

This filing is one of 17 records about the same incident.View merged incident

Part of Progress Software Corporation 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

Maine State AGbd_3b3b709830689a452024-01-10Verified by operator
Vermont State AGbd_d55aa1ea3b2002af2024-01-08 · +2dVerified by operator
New Hampshire State AGbd_70967d52d87f8c3a2023-11-03 · +68dVerified by operator
South Carolina State AGbd_1a92f137101f29bd2023-10-30 · +72dVerified by operator

Show 6 more filings ↓up to 75d gap

Maine State AGbd_27541ee9c5b7e6e72023-10-28 · +74dVerified by operator
Vermont State AGbd_a10a2ec406bd2fd72023-10-27 · +75dVerified by operator
Oregon State AGbd_aa31f139773717df2023-10-27 · +75dVerified by operator
California State AGbd_da6299b7281a604f2023-10-27 · +75dVerified by operator
Washington State AGbd_f61696cdfa81c4df2023-10-27 · +75dVerified by operator
Montana State AGbd_ffb048d919d7530a2023-10-27 · +75dVerified by operator

Showing first 10 of 16 linked disclosures.

Name: NASCO
norm: nasco
Domain: nasco.com

Name: NASCO
norm: nasco
Domain: nasco.com
Industry: HealthcarellmProfessional Servicesllm

Discovered: Jul 12, 2023
Breach occurred: May 30, 2023
Undetected for: 43 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIPHIIdentity (basic)Health (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1195 Supply Chain Compromise
Threat actor: External
Regulator citations: Notified law enforcement authorities
Third party: via Progress Software
Initial access: supply_chain

During the incident: Took steps to secure its systems
Launched an investigation with the support of a leading cybersecurity firm
Notified law enforcement authorities
Decommissioned the affected MOVEit server
Discontinued use of MOVEit
Changes made: Implemented additional procedures to further strengthen the security of our IT system environments
Offering a complimentary 24-month membership to Experian’s IdentityWorks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 weeks(182 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 8 states

View merged incident ↗

Vermont State AGOct 27 · first

Oregon State AGOct 27 · first

California State AGOct 27 · first

Washington State AGOct 27 · first

Montana State AGOct 27 · first

Maine State AG+1d

South Carolina State AG+3d

New Hampshire State AG+7d

Vermont State AG+73d

Maine State AG+75d

California State AG+75d · this page

Pattern: first filing Oct 27 (VT), last Jan 10 (CA) — a 75-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 16 — 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/sb24-579196
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 10, 2024
Raw hash: 78d085bbdad42ca2fb0b0d9710355ac90ede8ff0f30765df295f7b3f1454f445

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityNASCO

Victim entityNASCO

Incidentdiscovered Jul 12, 2023

Stated responseTook steps to secure its systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov