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

Confidence

65%

Full breach record for Comprehensive Health Services →7 incidents on file

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

+6 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

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.

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

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