HackingProfessional ServicesProfessional ServicesDelayed DiscoveryPIIIdentity (basic)LowContained

American Meteorological Society, Inc.

bd_37660df843cc34e3 · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 1, 2023

Filed

Dec 14, 2023

To disclose

37 weeks

Affected

Not disclosed

Linked

6 filings

Confidence

67%

Full breach record for American Meteorological Society, Inc. →

American Meteorological Society notified consumers of a cyber incident discovered in April 2023 where an unauthorized person accessed its systems. The incident may have involved names and other personal information. AMS engaged law enforcement, secured its network, and offered complimentary credit monitoring and identity protection services through IDX.

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Vermont clock✗ VT AG >45 bday37 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 37 weeks / 257 days

Apr 1, 2023

Discovered

Dec 14, 2023

Filed

vs. sector median

+19 wks slower

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

A leak claim by cactus about this victim predates this filing by 147 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecactusbd_568a5325102af8f42023-07-20 · +147dVerified by operator

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_08ff271fb8d0245f2023-12-14Verified by operator
New Hampshire State AGbd_4fa7bfef28659bc62023-12-14Candidate
Montana State AGbd_b970b0b0dbd5b2a92023-12-14Verified
Maine State AGbd_e6c548a44be5df272023-12-15 · +1dVerified

Name: American Meteorological Society, Inc.
norm: american meteorological society

Name: American Meteorological Society, Inc.
norm: american meteorological society
Industry: Professional Servicesllm

Discovered: Apr 1, 2023
Materiality determined: —
Notification sent: Dec 14, 2023
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified federal law enforcement
Initial access: valid_credentials

During the incident: Took steps to secure our network environment
Launched an investigation
Searched that data and to determine whose information might have been involved
Implemented additional security features
Notified federal law enforcement
Changes made: Implemented additional security features to reduce the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 37 weeks(257 days from discovery to filing)
Compliance flags: VT AG >45 bdayLeak >90d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Massachusetts State AGDec 14 · first

New Hampshire State AGDec 14 · first

Montana State AGDec 14 · first

Vermont State AGDec 14 · first · this page

Maine 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://ago.vermont.gov/document/2023-12-14-american-meteorological-society-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 14, 2023
Raw hash: 8ef2bf0996ea2ffcfa109601af50388b68760c6c7e07d84a7989433303c65812

Linked disclosures

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Reporting entityAmerican Meteorological Society, Inc.

Victim entityAmerican Meteorological Society, Inc.

Incidentdiscovered Apr 1, 2023

Stated responseTook steps to secure our network environment

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov