MalwareHealthcareHealthcareRansomwareData EncryptedCustomer Data InvolvedIdentity (basic)Government IDMediumActive

Atlantic General Hospital Corporation

bd_be16c1876a6e4ee6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 29, 2023

Filed

Mar 27, 2023

To disclose

8 weeks

Affected

15state residents only

Linked

10 filings

Confidence

66%

Full breach record for Atlantic General Hospital Corporation →

Atlantic General Hospital notified the New Hampshire Attorney General on March 24, 2023, of a ransomware incident discovered on January 29, 2023. Unauthorized access to servers began on January 20, 2023. The breach affected 15 New Hampshire residents, exposing names and Social Security numbers. AGH engaged forensic specialists, notified law enforcement and HHS, and provided 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 9 days

discovery → filing · 8 weeks / 57 days

Jan 20, 2023

Begins

Jan 29, 2023

Discovered

Mar 6, 2023

Scope determined

Mar 27, 2023

Filed

vs. sector median

4 wks faster

This filing is one of 10 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (9) · sorted by filing gap

HHS OCRbd_0cf873a636a369552023-03-24 · +3dVerified
Montana State AGbd_59e7e34a942ade822023-03-24 · +3dVerified
Indiana State AGbd_59fe0e8474e453912023-03-24 · +3dVerified
Massachusetts State AGbd_78dc2cc363989faa2023-03-24 · +3dVerified

Show 5 more filings ↓up to 88d gap

Maine State AGbd_c4598d4c0bd61c342023-03-24 · +3dVerified
Delaware State AGbd_d38bbaf5ade2752c2023-03-24 · +3dVerified
Vermont State AGbd_42de4d871ce9fac92023-06-22 · +87dVerified
Delaware State AGbd_77bb476d0371ff912023-06-22 · +87dVerified
Maine State AGbd_ae2055f751dbc9b32023-06-23 · +88dVerified

Name: Atlantic General Hospital Corporation
norm: atlantic general hospital

Name: Atlantic General Hospital Corporation
norm: atlantic general hospital
Industry: Healthcarellm

Discovered: Jan 29, 2023
Breach occurred: Jan 20, 2023
Undetected for: 9 daysoccurrence → discovery
Materiality determined: Mar 6, 2023
Notification sent: Mar 24, 2023
Affected individuals: 15state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified federal law enforcementProvided written notice to relevant state regulatorsNotified the U.S. Department of Health and Human Services pursuant to HIPAA

During the incident: Launched an investigation with the assistance of third-party forensic specialists
Undertook a comprehensive review of impacted files
Notified federal law enforcement
Provided access to credit monitoring services for twelve (12) months through IDX
Provided impacted individuals with guidance on how to better protect against identity theft and fraud
Provided written notice to relevant state regulators
Provided written notice to the three major credit reporting agencies
Notified the U.S. Department of Health and Human Services pursuant to HIPAA
Changes made: Implementing additional safeguards
Implementing additional training to employees
Reviewing policies and procedures relating to data privacy and security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(57 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 8 states

View merged incident ↗

HHS OCRMar 24 · first

Montana State AGMar 24 · first

Indiana State AGMar 24 · first

Massachusetts State AGMar 24 · first

Maine State AGMar 24 · first

Delaware State AGMar 24 · first

New Hampshire State AG+3d · this page

Vermont State AG+90d

Delaware State AG+90d

Maine State AG+91d

Pattern: first filing Mar 24 (MD), last Jun 23 (ME) — a 91-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/atlantic-general-hospital-20230327.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 27, 2023
Raw hash: 38e94a69fb36f3327849fbce8ed29be3666ac1b91f24b0ed997b5720b1ce3033

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityAtlantic General Hospital Corporation

Victim entityAtlantic General Hospital Corporation

Incidentdiscovered Jan 29, 2023

Stated responseLaunched an investigation with the assistance of third-party forensic specialists

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov