MalwareHealthcareTechnologyHealthcareRansomwareVulnerability ExploitTridentLockerData ExfiltratedData EncryptedData PublishedRansom DemandedCustomer Data InvolvedDelayed DiscoveryTargetedIdentity (basic)Government IDPHIHealth (basic)MediumContained

Managed Care Advisors-Sedgwick Government Solutions

bd_5a43cecf8a757680 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 4, 2025

Filed

Feb 10, 2026

To disclose

10 weeks

Affected

3state residents only

Linked

2 filings

Confidence

68%

Full breach record for Managed Care Advisors-Sedgwick Government Solutions →2 incidents on file

Managed Care Advisors/Sedgwick Government Solutions (MCA/SGS) reported a ransomware incident involving its corporate SFTP server. The server was compromised on November 16, 2025, and discovered on December 4, 2025. The ransomware group TridentLocker encrypted files and exfiltrated approximately 3.4 GB of data, including PHI, names, SSNs, and addresses. Three New Hampshire residents were affected. MCA/SGS quarantined the server, restored backups, engaged Mandiant for forensics, notified the FBI, and is offering credit monitoring via Kroll.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 18 days

discovery → filing · 10 weeks / 68 days

Nov 16, 2025

Begins

Dec 4, 2025

Discovered

Feb 10, 2026

Filed

vs. sector median

3 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Indiana State AGbd_25a0b3004d0f67ac2026-02-11 · +1dCandidate

Name: Managed Care Advisors-Sedgwick Government Solutions
norm: managed care advisors sedgwick government

Name: Managed Care Advisors-Sedgwick Government Solutions
norm: managed care advisors sedgwick government
Industry: HealthcarellmTechnologyllm

Discovered: Dec 4, 2025
Breach occurred: Nov 16, 2025
Undetected for: 18 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 11, 2026
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government IDPHIHealth (basic)
Attack vector: Ransomware· TridentLocker
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 ChannelT1566.002 Spearphishing Link
Threat actor: TridentLockerExternalFinancial
Regulator citations: Notified New Hampshire Consumer Protection and Antitrust BureauNotified the Federal Bureau of Investigation (FBI)
Initial access: exploit_public_facing

During the incident: Engaged Mandiant to conduct forensic analysis
Notified the FBI
Quarantined the affected SFTP server
Disabled all connections to the server
Restored a secure backup of the system
Established a dedicated call center
Provided 12 months of complimentary credit monitoring and identity theft protection services through Kroll
Changes made: Enhancing privacy protections in place with relevant federal agency partners
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(68 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 · 2 states

View merged incident ↗

New Hampshire State AGFeb 10 · first · this page

Indiana State AG+1d

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://mm.nh.gov/files/uploads/doj/remote-docs/managed-care-advisors-sedgwick-government-solutions-20260210.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 10, 2026
Raw hash: b3564c0cea93f001ada8a20781880b532b48d674a94e18d9e6387fe9c69a93e6

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityManaged Care Advisors-Sedgwick Government Solutions

Victim entityManaged Care Advisors-Sedgwick Government Solutions

Incidentdiscovered Dec 4, 2025

Stated responseEngaged Mandiant to conduct forensic analysis

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov