DisclosureLens
Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsMulti-Stage ChainCustomer Data InvolvedCredentialsPIILowContained

Sonabank

bd_4b23faf6b11f0a07 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 27, 2017

Filed

Oct 31, 2017

To disclose

14 weeks

Affected

1state residents only

Linked

3 filings

Confidence

65%
Full breach record for Sonabank

Sonabank notified affected individuals of a phishing attack that compromised employee email accounts. Unauthorized access occurred between June 4 and August 26, 2017. The bank hired forensic experts, reset passwords, and offered 12 months of credit monitoring. The incident involved employee credentials and potentially customer PII.

Incident timeline

undetected · 53 days
discovery → filing · 14 weeks / 96 days

Jun 4, 2017

Begins

Jul 27, 2017

Discovered

Oct 31, 2017

Filed

vs. sector median

+5 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 · 3 states

View merged incident ↗
New Hampshire State AGOct 31 · first
Massachusetts State AGOct 31 · first
Montana State AGOct 31 · 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.