DisclosureLens
HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedDelayed DiscoveryIdentity (basic)LowContained

Donlen Corporation

bd_087f420172088bed · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 4, 2021

Filed

Oct 28, 2022

To disclose

20 months

Affected

4state residents only

Linked

3 filings

Confidence

65%
Full breach record for Donlen Corporation3 incidents on file

Donlen Corporation notified Montana residents of a data breach occurring between Feb 24 and Mar 4, 2021. An unknown actor accessed the network. Donlen provided notice on behalf of client Allstate Insurance Company. Affected data included names and other personal info. Donlen offered credit monitoring via IDX.

Incident timeline

undetected · 8 days
discovery → filing · 20 months / 603 days

Feb 24, 2021

Begins

Mar 4, 2021

Discovered

Oct 28, 2022

Filed

vs. sector median

+67 wks slower

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

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings · 2 states

View merged incident ↗
Montana State AG+50d · this page

Pattern: first filing Sep 8 (NH), last Oct 28 (MT) — a 50-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.

Donlen Corporation — State AG breach notification · DisclosureLens