HackingHealthcareHealthcareVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

AltaMed Health Services Corporation

bd_80e321317c99d13c · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 31, 2023

Filed

Aug 4, 2023

To disclose

9 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

64%

Full breach record for AltaMed Health Services Corporation →9 incidents on file

AltaMed Health Services reported a data breach involving a third-party software vulnerability in Progress Software's MOVEit Transfer. An unauthorized third party accessed a server on May 29-30, 2023, and downloaded data including names, Social Security numbers, dates of birth, addresses, and gender. The vulnerability was disclosed by Progress on May 31, 2023. AltaMed patched servers, investigated the incident, and is offering 24 months of identity monitoring through Kroll to affected individuals.

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Incident timeline

undetected · 2 days

discovery → filing · 9 weeks / 65 days

May 29, 2023

Begins

May 31, 2023

Discovered

Aug 4, 2023

Filed

vs. sector median

on median

This filing is one of 2 filings 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 (1) · sorted by filing gap

California State AGbd_f20b0d4b990353792023-06-29 · +36dCandidate

Name: AltaMed Health Services Corporation
norm: altamed health

Name: AltaMed Health Services Corporation
norm: altamed health
Industry: Healthcarellm

Discovered: May 31, 2023
Breach occurred: May 29, 2023 – May 30, 2023
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Government IDIdentity (basic)
Data elements: Social Security numberDate of birth
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 Progress Software
Initial access: supply_chain

During the incident: Patched servers
Investigated and assessed the security of systems
Notified potentially affected customers and individuals
Offering 24 months of complimentary identity monitoring services through Kroll
Changes made: Reviewing and enhancing information security policies and procedures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(65 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings

View merged incident ↗

California State AGJun 29 · first

California State AG+36d · this page

Pattern: first filing Jun 29 (CA), last Aug 4 (CA) — a 36-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/sb24-571344
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 4, 2023
Raw hash: 7d1da510390cdf98cb2738c9a134019e6c1c858fe70658853db84a501efcd5a1

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityAltaMed Health Services Corporation

Victim entityAltaMed Health Services Corporation

Incidentdiscovered May 31, 2023

Stated responsePatched servers

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov