Social EngineeringFinanceFinancial accountIdentity (basic)Government IDPCIPIILowContained

Connected Credit Union

bd_b1256d81f2f73ae4 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 3, 2026

Filed

Apr 30, 2026

To disclose

8 weeks

Affected

Not disclosed

Confidence

67%

Full breach record for Connected Credit Union →3 incidents on file

Connected Credit Union notified Massachusetts residents of a phishing incident where an unauthorized individual accessed an employee email account, exposing names and other personal information. The credit union secured the account, engaged forensic investigators, and offered 24 months of Experian IdentityWorks monitoring to affected individuals.

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Massachusetts clock⏱ MA AG >30d8 weeks discovery → filing

Incident timeline

discovery → filing · 8 weeks / 58 days

Mar 3, 2026

Discovered

Apr 30, 2026

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed40 affectedView incident

Name: Connected Credit Union
norm: connected credit union

Name: Connected Credit Union
norm: connected credit union

Discovered: Mar 3, 2026
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Financial accountIdentity (basic)Government IDPCIPII
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: External
Initial access: phishing_link

During the incident: Engaged a cybersecurity company to conduct a forensic investigation
Secured the account
Initiated an internal investigation
Changes made: Offered a complimentary 24-month membership of Experian IdentityWorks Credit 3B
Strengthened security measures with a cybersecurity firm
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(58 days from discovery to filing)
Compliance flags: MA AG >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

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.

Source URL: https://www.mass.gov/doc/2026-675-connected-credit-union/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 30, 2026
Raw hash: fe3e8bec8141f7451ef2f97343705e2e771f56ce1b2317fd4ccffd7e96c83142

Reporting entityConnected Credit Union

Victim entityConnected Credit Union

Incidentdiscovered Mar 3, 2026

Stated responseEngaged a cybersecurity company to conduct a forensic investigation

ComplianceMA AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov