HackingHealthcareHealthcareCustomer Data InvolvedEmployee Data InvolvedDelayed DiscoveryPIIIdentity (basic)EmploymentLowContained

Comprehensive Health Services

bd_9e4f9cb525e6052d · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 3, 2021

Filed

Mar 16, 2022

To disclose

19 weeks

Affected

Not disclosed

Linked

15 filings

Confidence

65%

Full breach record for Comprehensive Health Services →

Comprehensive Health Services (CHS) experienced a cyber intrusion between April 9, 2020, and October 22, 2020. CHS detected suspicious activity and launched an investigation, engaging cybersecurity experts and notifying the FBI. On November 3, 2021, CHS confirmed that personal information of current and former employees, contained in invoicing files pre-dating 2019, may have been accessed or acquired without authorization. CHS implemented enhanced network security measures, including endpoint detection and response tools, and offered complimentary identity protection services to affected individuals.

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Incident timeline

undetected · 573 days

discovery → filing · 19 weeks / 133 days

Apr 9, 2020

Begins

Nov 3, 2021

Discovered

Mar 16, 2022

Filed

vs. sector median

+10 wks slower

This filing is one of 15 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Maine State AGbd_7b6e34bd70633bad2022-03-16Verified by operator
Oregon State AGbd_c4342ee659dbe6912022-03-16Verified by operator
New Hampshire State AGbd_3287d556e934a6bd2022-03-15 · +1dVerified by operator
New Hampshire State AGbd_119a2929b9bc9c2b2022-02-15 · +29dVerified by operator

Show 6 more filings ↓up to 29d gap

Washington State AGbd_16446861756e5cbd2022-02-15 · +29dCandidate
HHS OCRbd_31814f7356b9be6a2022-02-15 · +29dCandidate
Maine State AGbd_5dff8e848d075aab2022-02-15 · +29dVerified
Montana State AGbd_6056bb70a1aa60c02022-02-15 · +29dCandidate
California State AGbd_e11544c13803764e2022-02-15 · +29dVerified by operator
Oregon State AGbd_fb0f599dc707faf32022-02-15 · +29dCandidate

Showing first 10 of 14 linked disclosures.

Name: Comprehensive Health Services
norm: comprehensive health

Name: Comprehensive Health Services
norm: comprehensive health
Industry: Healthcarellm

Discovered: Nov 3, 2021
Breach occurred: Apr 9, 2020 – Oct 22, 2020
Undetected for: 573 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)Employment
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Reported the incident to law enforcement, including the Federal Bureau of Investigation (FBI)

During the incident: Launched an investigation
Engaged cybersecurity experts to assist in our response to the incident
Reported the incident to law enforcement, including the Federal Bureau of Investigation (FBI)
Implemented additional corrective actions as recommended by the forensic review team
Purchasing a new suite of endpoint detection and response tools, and installing this software on all servers and endpoints on the network enterprise
Replacing our previous threat detection and monitoring surveillance vendor
Adding capabilities for extended detection and response to future attempted network intrusions
Conducting network penetration testing
Offering complimentary identity protection services through Equifax
Changes made: Purchasing a new suite of endpoint detection and response tools, and installing this software on all servers and endpoints on the network enterprise
Replacing our previous threat detection and monitoring surveillance vendor
Adding capabilities for extended detection and response to future attempted network intrusions
Conducting network penetration testing
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 weeks(133 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 · 7 states

View merged incident ↗

New Hampshire State AGFeb 15 · first

Washington State AGFeb 15 · first

HHS OCRFeb 15 · first

Maine State AGFeb 15 · first

Montana State AGFeb 15 · first

California State AGFeb 15 · first

Oregon State AGFeb 15 · first

New Hampshire State AG+28d

Maine State AG+29d

Oregon State AG+29d

California State AG+29d · this page

Pattern: first filing Feb 15 (NH), last Mar 16 (CA) — a 29-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 14 — 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/sb24-551741
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 16, 2022
Raw hash: c5f4adf9555cec6f6aee5e267e3ac6e11c1a287c86657dc57578fea245326f7f

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityComprehensive Health Services

Victim entityComprehensive Health Services

Incidentdiscovered Nov 3, 2021

Stated responseLaunched an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov