MalwareManufacturingManufacturingRansomwareCapture Stored DataData ExfiltratedData EncryptedCustomer Data InvolvedEmployee Data InvolvedMulti-Stage ChainIdentity (basic)Government IDHealth (basic)Financial accountMinorMediumContained

SI Group, Inc.

bd_dc5c3b844c5ddd7c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 14, 2021

Filed

Nov 12, 2021

To disclose

13 weeks

Affected

3state residents only

Linked

10 filings

Confidence

66%

Full breach record for SI Group, Inc. →

SI Group, Inc. filed a supplemental data breach notification with the New Hampshire Attorney General regarding a ransomware attack discovered on August 14, 2021. The incident affected 3 New Hampshire residents, exposing personal information including names, SSNs, and health data. SI Group engaged forensic experts, notified law enforcement, and offered 2 years of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 5 days

discovery → filing · 13 weeks / 90 days

Aug 9, 2021

Begins

Aug 14, 2021

Discovered

Nov 12, 2021

Filed

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

Maine State AGbd_988e049ab25ff2b82021-11-03 · +9dVerified
Massachusetts State AGbd_beb5cca00b9eca962021-11-03 · +9dVerified
Montana State AGbd_2ba8825ab3d00a6d2021-10-26 · +17dCandidate
New Hampshire State AGbd_1adb32ff021d89942021-10-12 · +31dVerified

Show 5 more filings ↓up to 60d gap

Maine State AGbd_f90add1a926a96bc2021-12-22 · +40dVerified
Maine State AGbd_27210f4b1c59c83b2021-09-30 · +43dCandidate
Indiana State AGbd_dc52271db267fe662021-09-29 · +44dVerified
South Carolina State AGbd_9167738a09cf5c9c2021-12-29 · +47dVerified
New Hampshire State AGbd_06d7bed29e3a0a142022-01-11 · +60dVerified

Name: SI Group, Inc.
norm: si group

Name: SI Group, Inc.
norm: si group
Industry: Manufacturingllm

Discovered: Aug 14, 2021
Breach occurred: Aug 9, 2021 – Aug 14, 2021
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 26, 2021
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial accountMinor
Data elements: Social Security numberDate of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 ChannelT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified federal law enforcement authorities

During the incident: Took immediate steps to contain the threat
Engaged leading third-party forensic experts to investigate the incident and assist with its remediation efforts
Notified federal law enforcement authorities of the incident and are cooperating with their investigatory efforts
Isolated our networks and launched a forensic investigation
Contacted law enforcement
Changes made: Enhanced our security and monitoring processes and taken other measures to minimize the risk of similar incidents in the future
Arranged to offer credit monitoring, identity theft protection, and Dark Web monitoring services for a period of two years, at no cost to you, through Equifax
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(90 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 · 6 states

View merged incident ↗

Indiana State AGSep 29 · first

Maine State AG+1d

New Hampshire State AG+13d

Montana State AG+27d

Maine State AG+35d

Massachusetts State AG+35d

New Hampshire State AG+44d · this page

Maine State AG+84d

South Carolina State AG+91d

New Hampshire State AG+104d

Pattern: first filing Sep 29 (IN), last Jan 11 (NH) — a 104-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/si-20211112.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 12, 2021
Raw hash: 479cc415335d63db74d4a4572aedcd9751ef624c461b95cece756fb992e9bb3e

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entitySI Group, Inc.

Victim entitySI Group, Inc.

Incidentdiscovered Aug 14, 2021

Stated responseTook immediate steps to contain the threat

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov