DisclosureLens
MalwareFinancial ServicesFinanceRansomwareData EncryptedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

ARBOR FINANCIAL CREDIT UNION

bd_d8d6af095db8b697 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 15, 2020

Filed

Nov 12, 2020

To disclose

26 weeks

Affected

6state residents only

Linked

5 filings

Confidence

66%
Full breach record for ARBOR FINANCIAL CREDIT UNION

Arbor Financial Credit Union experienced a ransomware incident on May 15, 2020, encrypting files on some servers. The threat was contained, and systems were restored from backups. Investigation concluded October 20, 2020, revealing that servers containing full names and Social Security numbers of approximately six New Hampshire residents were removed from the network. Cybersecurity professionals confirmed the data was destroyed and not disclosed. No evidence of misuse or malicious activity in member accounts was found. Affected residents were notified starting November 6, 2020, and offered one year of complimentary credit monitoring.

Incident timeline

discovery → filing · 26 weeks / 181 days

May 15, 2020

Begins

May 15, 2020

Discovered

Nov 12, 2020

Filed

vs. sector median

+17 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Filing propagation · 5 filings · 5 states

View merged incident ↗
Indiana State AGNov 6 · first
Montana State AGNov 6 · first
New Hampshire State AG+6d · this page

Pattern: first filing Nov 6 (IN), last Nov 12 (NH) — a 6-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.