DisclosureLens
HackingGovernmentGovernmentCustomer Data InvolvedFinancial accountFinancial credentialsMediumContained

City of Sebastopol

bd_5e90fbdf44635731 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 9, 2021

Filed

Dec 22, 2021

To disclose

19 weeks

Affected · nationwide

1,1801 in this filing

Linked

2 filings

Confidence

50%
Full breach record for City of Sebastopol →

The City of Sebastopol experienced a data breach due to an external system breach (hacking) that occurred from April 28, 2021, to May 11, 2021. The breach was discovered on August 9, 2021, and affected 1,180 individuals, including one Maine resident. The compromised information included names or other personal identifiers in combination with financial account numbers or credit/debit card numbers and their associated security codes, access codes, passwords, or PINs. The city provided written notification to affected consumers on December 22, 2021, and offered one year of credit monitoring, fraud consultation, and identity theft restoration services through Experian.

Maine clockDiscovered Aug 9, 2021 → Filed with AG Dec 22, 2021135d ✗ ME AG >90d19 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 · 103 days
discovery → filing · 19 weeks / 135 days

Apr 28, 2021

Begins

Aug 9, 2021

Discovered

Dec 22, 2021

Filed

vs. sector median

+8 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings · 2 states

View merged incident ↗
California State AGDec 22 · first
Maine State AGDec 22 · first · this page

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.