AccidentalFinancial ServicesFinanceProgramming ErrorCustomer Data InvolvedIdentity (basic)Government IDMediumResolved

STATE STREET CORPORATION

bd_49fac1c8646ba3d4 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 3, 2016

Filed

Nov 28, 2016

To disclose

17 weeks

Affected

6state residents only

Confidence

66%

Full breach record for STATE STREET CORPORATION →23 incidents on file

State Street notified Montana residents that a vendor inadvertently shared customer PII (name, SSN, DOB, address, email) with another bank due to a software programming error on July 16, 2016. State Street was informed on August 3, 2016. No evidence of misuse was found. State Street provided two years of free credit monitoring via Experian.

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Incident timeline

undetected · 18 days

discovery → filing · 17 weeks / 117 days

Jul 16, 2016

Begins

Aug 3, 2016

Discovered

Nov 28, 2016

Filed

vs. sector median

+8 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed6 affectedView incident

Name: STATE STREET CORPORATION
norm: state street

Name: STATE STREET CORPORATION
norm: state street
Industry: Financial Servicesllm

Discovered: Aug 3, 2016
Breach occurred: Jul 16, 2016
Undetected for: 18 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 6state-resident count only
Data types: Identity (basic)Government ID
Data elements: Date of birth
Attack vector: Misconfiguration
MITRE ATT&CK: T1190 Exploit Public-Facing Application

During the incident: Investigated the cause of the incident and performed a complete review
Providing identity protection services from Experian, including credit monitoring, for two years at no cost
Changes made: Vendor is putting controls in place to ensure this issue does not recur
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(117 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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://dojmt.gov/wp-content/uploads/State-Street.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 28, 2016
Raw hash: 3eb46f194cc21de554f76a5d018c69644b639a89b020d8a17704c3535596b9d9

Reporting entitySTATE STREET CORPORATION

Victim entitySTATE STREET CORPORATION

Incidentdiscovered Aug 3, 2016

Stated responseInvestigated the cause of the incident and performed a complete review

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov