DisclosureLens
HackingCustomer Data InvolvedIdentity (basic)Government IDHighResolved

Sellerco Corporation

bd_f77df041f03c692d · schema v1 · pii pii-v1

Severity

High

Discovered

Apr 8, 2022

Filed

Aug 29, 2022

To disclose

20 weeks

Affected · nationwide

4,42714 in this filing

Confidence

50%
Full breach record for Sellerco Corporation →

Donlen Corporation, now known as Sellerco Corporation, experienced an external system breach that occurred from February 24, 2021, to March 4, 2021. The breach was discovered on April 8, 2022. The compromised information includes names and Social Security Numbers. The company notified 14 affected Maine residents on August 29, 2022, and offered 12 months of credit monitoring and identity restoration services.

Maine clockDiscovered Apr 8, 2022 → Filed with AG Aug 29, 2022143d ✗ ME AG >90d20 weeks discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 408 days
discovery → filing · 20 weeks / 143 days

Feb 24, 2021

Begins

Apr 8, 2022

Discovered

Aug 29, 2022

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed4,427 affectedView incident

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.