DisclosureLens
HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedSupply Chain (3P Vendor)PIIIdentity (basic)LowActive

Postlethwaite & Netterville APAC

bd_6fe5ce08759000b2 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 1, 2021

Filed

Aug 5, 2021

To disclose

22 weeks

Affected

1state residents only

Linked

5 filings

Confidence

66%
Full breach record for Postlethwaite & Netterville APAC →3 incidents on file

Postlethwaite & Netterville APAC notified Montana residents of a data breach involving unauthorized access to data via a vulnerable Accellion file transfer appliance. Access occurred on Jan 21, 2021. PII including names and possibly SSNs was potentially accessed. P&N migrated data, contacted law enforcement, and offered IDX identity protection services.

Incident timeline

undetected · 39 days
discovery → filing · 22 weeks / 157 days

Jan 21, 2021

Begins

Mar 1, 2021

Discovered

Aug 5, 2021

Filed

vs. sector median

+3 wks slower

This filing is one of 5 filings about the same incident.View merged incident
Part of Accellion supply-chain incident (2021) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Filing propagation · 5 filings · 4 states

View merged incident ↗
Indiana State AGJun 21 · first
Montana State AG+45d · this page

Pattern: first filing Jun 21 (IN), last Nov 9 (NH) — a 141-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.