MalwareGovernmentGovernmentRansomwareData ExfiltratedData EncryptedTargetedIdentity (basic)Government IDMediumContained

St. Clair County, IL

bd_0787a1bbaca35b3a · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 30, 2021

Filed

Feb 4, 2022

To disclose

36 weeks

Affected

1state residents only

Linked

3 filings

Confidence

65%

Full breach record for St. Clair County, IL →

St. Clair County, IL notified the NH AG of a data event affecting 1 NH resident. Malware infected the network on May 27, 2021; files were removed May 30, 2021. Data included names, addresses, and SSNs. Notification sent Jan 31, 2022. Credit monitoring offered.

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Incident timeline

undetected · 3 days

discovery → filing · 36 weeks / 250 days

May 27, 2021

Begins

May 30, 2021

Discovered

Feb 4, 2022

Filed

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Indiana State AGbd_2c2d3a84f41d5c0d2022-01-31 · +4dVerified
Illinois State AGbd_d819014636f4f14b2022-01-01 · +34dVerified

Name: St. Clair County, IL
norm: st clair county il

Name: St. Clair County, IL
norm: st clair county il
Industry: Governmentllm

Discovered: May 30, 2021
Breach occurred: May 27, 2021 – May 30, 2021
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 31, 2022
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unknown
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General Consumer Protection Bureau

During the incident: Launched an investigation with the assistance of third-party computer forensic specialists
Notified federal law enforcement
Began providing written notice of this incident to potentially impacted individuals
Providing access to credit monitoring services for twelve (12) months through Kroll
Changes made: Working to implement additional safeguards and training to its employees
Conducting a review of existing internal policies and procedures relating to data protection and security
Implementing enhanced employee training protocols to better prevent future incidents
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 36 weeks(250 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Illinois State AGJan 1 · first

Indiana State AG+30d

New Hampshire State AG+34d · this page

Pattern: first filing Jan 1 (IL), last Feb 4 (NH) — a 34-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/st-clair-county-il-20220204.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 4, 2022
Raw hash: 0448c95903f5a00bc264c0044e131d3894a4a0423e3290e2be888a560c957897

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entitySt. Clair County, IL

Victim entitySt. Clair County, IL

Incidentdiscovered May 30, 2021

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

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov