UnknownTechnologyInformationGovernment IDMedium

Integrated Silicon Solution Inc.

bd_ffc89eab7004249d · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Nov 7, 2025

To disclose

—

Affected

1state residents only

Linked

5 filings

Confidence

95%

Full breach record for Integrated Silicon Solution Inc. →

Integrated Silicon Solution, Inc. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-11-07. 1 Massachusetts residents were affected.

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Leak gap clock⏱ Leak >90d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Nov 7, 2025

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

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

A leak claim by worldleaks about this victim predates this filing by 125 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteworldleaksbd_f0c695270b8905f02025-07-04 · +125dVerified by operator

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_0ef99f437211d2162025-11-07Verified by operator
California State AGbd_199e0021b4f4b3ad2025-11-07Candidate
New Hampshire State AGbd_8aad142197cd21b02025-11-07Verified

Name: Integrated Silicon Solution Inc.
norm: integrated silicon solution
Domain: issi.com

Name: Integrated Silicon Solution Inc.
norm: integrated silicon solution
Domain: issi.com
Industry: Technologyregulator portal

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: Government ID
Data elements: Social Security number
Stated not affected: Medical informationFinancial account numberDriver's licence numberPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown
Threat actor: External

Compliance flags: Leak >90dMA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Indiana State AGNov 7 · first

California State AGNov 7 · first

New Hampshire State AGNov 7 · first

Massachusetts State AGNov 7 · 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.

Source URL: https://www.mass.gov/doc/data-breach-report-2025/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 7, 2025
Raw hash: ff9c3bb71f085e3de29b3d7809b041517de39bac7d8f2433e0a12b8ddac1e23b

Linked disclosures

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Reporting entityIntegrated Silicon Solution Inc.

Victim entityIntegrated Silicon Solution Inc.

IncidentUnknown

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov