Integrated Silicon Solution Inc.
bd_199e0021b4f4b3ad · schema v1 · pii pii-v1
Full breach record for Integrated Silicon Solution Inc. →Integrated Silicon Solution, Inc. (ISSI) reported that an unauthorized third party accessed its network. The breach occurred between June 6 and June 7, 2025, and was discovered on June 30, 2025. The incident involved unauthorized access to a file server, potentially exposing personal information including names and other data elements. ISSI engaged cybersecurity advisors and law enforcement, and is offering identity monitoring to affected individuals.
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Incident timeline
Jun 6, 2025
Begins
Jun 30, 2025
Discovered
Nov 7, 2025
Filed
vs. sector median
+8 wks slower
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
- New Hampshire State AGbd_8aad142197cd21b02025-11-07Verified
- Massachusetts State AGbd_ffc89eab7004249d2025-11-07Verified by operator
Filing propagation · 4 filings · 4 states
View merged incident ↗Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.