MalwareProfessional ServicesFinancial ServicesProfessional ServicesRansomwareStolen CredentialsData ExfiltratedRansom DemandedDelayed DiscoveryPIIIdentity (basic)LowActive

AmGUARD Insurance Company

bd_128a2682206fdf79 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Sep 13, 2021

To disclose

—

Affected

2state residents only

Linked

2 filings

Confidence

66%

Full breach record for AmGUARD Insurance Company →

Arthur J. Gallagher & Co. filed a supplemental notice with the NH AG regarding a ransomware incident detected on Sept 26, 2020. Unauthorized access occurred between June 3 and Sept 26, 2020. The notice covers 2 New Hampshire residents. The company engaged forensic specialists, took systems offline, and provided 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

Jun 3, 2020

Begins

Sep 13, 2021

Filed

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

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

South Carolina State AGbd_e1bf416a552091df2021-09-08 · +5dCandidate

Name: ARTHUR J. GALLAGHER & CO.
norm: arthur j gallagher

Name: AmGUARD Insurance Company
norm: amguard insurance
Industry: Professional ServicesllmFinancial Servicesllm

Discovered: —
Breach occurred: Jun 3, 2020 – Sep 26, 2020
Materiality determined: —
Notification sent: Sep 8, 2021
Affected individuals: 2state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Reported this incident to law enforcement and regulatory authorities
Initial access: valid_credentials

During the incident: Took all systems offline as a precautionary measure
Initiated response protocols
Launched an investigation with the assistance of third-party cybersecurity and forensic specialists
Implemented business continuity plans
Ensured the ongoing security of our systems
Reported this incident to law enforcement and regulatory authorities
Provided access to identity and credit monitoring services for twenty-four months through Kroll
Changes made: Reviewed existing security policies
Implemented additional measures and enhanced security tools
Implemented additional safeguards
Provided additional training to employees on data privacy and security
Source: Quoted from the filing itself, not independently verified.

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 ↗

South Carolina State AGSep 8 · first

New Hampshire State AG+5d · this page

Pattern: first filing Sep 8 (SC), last Sep 13 (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://mm.nh.gov/files/uploads/doj/remote-docs/arthur-j-gallagher-20210913.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 13, 2021
Raw hash: 1dc4b59485b9cfbe1e43332ca17eb04522f70b6fa9c81423bb90b938db12164c

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityARTHUR J. GALLAGHER & CO.

Victim entityAmGUARD Insurance Company

IncidentRansomware

Stated responseTook all systems offline as a precautionary measure

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov