Social EngineeringHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedDelayed DiscoveryIdentity (basic)CredentialsLowContained

Maxim Healthcare Group

bd_c13dda61b3242547 · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 4, 2020

Filed

Nov 4, 2021

To disclose

48 weeks

Affected

5state residents only

Linked

6 filings

Confidence

65%

Full breach record for Maxim Healthcare Group →2 incidents on file

Maxim Healthcare Group notified Montana and other states of a breach involving unauthorized access to employee email accounts between Oct 1 and Dec 4, 2020. The incident was discovered on Dec 4, 2020. Potentially affected data included names, addresses, and credentials. No specific count of affected individuals was disclosed.

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Incident timeline

undetected · 64 days

discovery → filing · 48 weeks / 335 days

Oct 1, 2020

Begins

Dec 4, 2020

Discovered

Nov 4, 2021

Filed

vs. sector median

+35 wks slower

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Massachusetts State AGbd_7e7022db4d247c0d2021-11-04Verified
Indiana State AGbd_993c233bc90c033c2021-11-04Verified
California State AGbd_df999b80ae34a55f2021-11-04Verified
HHS OCRbd_e749a80667f362da2021-11-04Verified

Show 1 more filing ↓up to 5d gap

New Hampshire State AGbd_9109c9702d7b335a2021-11-09 · +5dVerified

Name: Maxim
norm: maxim
Domain: maxim.com

Name: Maxim Healthcare Group
norm: maxim healthcare
Domain: maximhealthcare.com
Industry: Healthcarellm

Discovered: Dec 4, 2020
Breach occurred: Oct 1, 2020 – Dec 4, 2020
Undetected for: 64 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 21, 2021
Affected individuals: 5state-resident count only
Data types: Identity (basic)Credentials
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Notifying relevant state and federal regulators
Initial access: phishing_link

During the incident: Instituted additional security protocols
Implementation of Multi-Factor Authentication for all email accounts
Transitioned to a new Security Operations Center with advanced detection and response capabilities
Integrated additional cybersecurity infrastructure and security measures
Notifying relevant state and federal regulators
Engaged outside forensic specialists
Changes made: Implementation of Multi-Factor Authentication for all email accounts
Transitioned to a new Security Operations Center with advanced detection and response capabilities
Integrating additional cybersecurity infrastructure and security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 48 weeks(335 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Massachusetts State AGNov 4 · first

Indiana State AGNov 4 · first

California State AGNov 4 · first

HHS OCRNov 4 · first

Montana State AGNov 4 · first · this page

New Hampshire State AG+5d

Pattern: first filing Nov 4 (MA), last Nov 9 (NH) — a 5-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://dojmt.gov/wp-content/uploads/OCP/Consumer-Notification-Letter-53.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 4, 2021
Raw hash: 3a9680f204f9fdd274ea854472b0194fb5f6bcb915150c808f2ecab0689d4144

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityMaxim

Victim entityMaxim Healthcare Group

Incidentdiscovered Dec 4, 2020

Stated responseInstituted additional security protocols

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov