SI Group, Inc.
bd_2ba8825ab3d00a6d · schema v1 · pii pii-v1
Full breach record for SI Group, Inc. →SI Group, Inc. notified Montana residents of a ransomware attack occurring between August 9-14, 2021. The incident resulted in the unauthorized access and exfiltration of employee personal information, including SSNs, driver's licenses, and health data. SI Group engaged forensic experts, isolated networks, and notified law enforcement. Affected individuals were offered two years of credit monitoring via Equifax.
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Incident timeline
Aug 9, 2021
Begins
Aug 14, 2021
Discovered
Oct 26, 2021
Filed
Linked disclosures
Why this link?Regulatory filings (9) · sorted by filing gap
- Maine State AGbd_988e049ab25ff2b82021-11-03 · +8dVerified
- Massachusetts State AGbd_beb5cca00b9eca962021-11-03 · +8dVerified
- New Hampshire State AGbd_1adb32ff021d89942021-10-12 · +14dVerified
- New Hampshire State AGbd_dc5c3b844c5ddd7c2021-11-12 · +17dVerified
Show 5 more filings ↓Show fewer ↑up to 77d gap
- Maine State AGbd_27210f4b1c59c83b2021-09-30 · +26dCandidate
- Indiana State AGbd_dc52271db267fe662021-09-29 · +27dVerified
- Maine State AGbd_f90add1a926a96bc2021-12-22 · +57dVerified
- South Carolina State AGbd_9167738a09cf5c9c2021-12-29 · +64dVerified
- New Hampshire State AGbd_06d7bed29e3a0a142022-01-11 · +77dVerified
Filing propagation · 10 filings · 6 states
View merged incident ↗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
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.