MalwareHealthcareFinancial ServicesHealthcareRansomwareStolen CredentialsData ExfiltratedData EncryptedCustomer Data InvolvedRansom DemandedFinancial accountHealth (basic)Identity (basic)Government IDPHIHighContained

Managed Care of North America, Inc.

bd_bd79d24c6d422b05 · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 6, 2023

Filed

May 26, 2023

To disclose

12 weeks

Affected

13,823state residents only

Linked

11 filings

Confidence

71%

Full breach record for Managed Care of North America, Inc. →

Managed Care of North America, Inc. (MCNA) disclosed a cyberattack affecting approximately 13,823 Washington residents. Unauthorized access occurred between Feb 26 and Mar 7, 2023, involving malware and data exfiltration. Affected data included names, SSNs, driver's licenses, and health/financial info. MCNA engaged forensic investigators, contained the threat, and offered credit monitoring.

J jump to incidentP pin to compareR raw source

Washington clock⏱ WA AG >30d12 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 8 days

discovery → filing · 12 weeks / 81 days

Feb 26, 2023

Begins

Mar 6, 2023

Discovered

May 26, 2023

Filed

vs. sector median

1 wks faster

This filing is one of 11 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Oregon State AGbd_168ee69d767f341b2023-05-26Verified
Massachusetts State AGbd_462819dd00ab7cdb2023-05-26Verified
California State AGbd_85569ed740a38ff72023-05-26Verified
HHS OCRbd_8933bce90bcee00e2023-05-26Verified

Show 6 more filings ↓

South Carolina State AGbd_8e4e86427e58ac7c2023-05-26Verified
New Hampshire State AGbd_91f179da995e30ee2023-05-26Verified
Montana State AGbd_c6deca26eef879322023-05-26Verified
Maine State AGbd_d1e6071fa4c9eb842023-05-26Verified
Vermont State AGbd_d284c416d84338c32023-05-26Verified
Indiana State AGbd_fb79e2eeeef91f572023-05-26Verified

Name: Managed Care of North America, Inc.
norm: managed care of north america

Name: Managed Care of North America, Inc.
norm: managed care of north america
Industry: HealthcarellmFinancial Servicesllm

Discovered: Mar 6, 2023
Breach occurred: Feb 26, 2023 – Mar 7, 2023
Undetected for: 8 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 26, 2023
Affected individuals: 13,823state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial account
Data elements: NameSocial Security numberDriver's licence numberDate of birthHealth insurance IDMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoing
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 ChannelT1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Took immediate steps to contain the threat
Engaged a third-party forensic firm to investigate the incident and assist with remediation efforts
Conducted a comprehensive review of the impacted data
Sent written notifications to its impacted clients
Contacted law enforcement
Offered free identity theft protection service
Changes made: Further enhanced its security and monitoring practices
Further strengthened its systems to minimize the risk that a similar incident occurs in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(81 days from discovery to filing)
Compliance flags: WA AG >30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 11 states

View merged incident ↗

Oregon State AGMay 26 · first

Massachusetts State AGMay 26 · first

California State AGMay 26 · first

HHS OCRMay 26 · first

South Carolina State AGMay 26 · first

New Hampshire State AGMay 26 · first

Montana State AGMay 26 · first

Maine State AGMay 26 · first

Vermont State AGMay 26 · first

Indiana State AGMay 26 · first

Washington State AGMay 26 · first · this page

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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA24256.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 26, 2023
Raw hash: 7a5c027929935b441c48fc3e8f1cf46478f604d8a55240605d6cc5453f1f5746

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityManaged Care of North America, Inc.

Victim entityManaged Care of North America, Inc.

Incidentdiscovered Mar 6, 2023

Stated responseTook immediate steps to contain the threat

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com