DisclosureLens
GLOBALMalwareTechnologyInformationRansomwareWorldleaksRansom DemandedActor NamedMedium

Integrated Silicon Solution Inc.

bd_f0c695270b8905f0 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jul 4, 2025

To disclose

—

Affected

Not disclosed

Linked

5 filings

Confidence

50%
Full breach record for Integrated Silicon Solution Inc. →

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Worldleaks on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: TechnologyDiscovered: 2025-07-21
Listing address (not linked): https://worldleaksartrjm3c6vasllvgacbi5u3mgzkluehrzhk2jz4taufuid.onion/companies/6928687881View merged incident timeline

Source: Ransomware.live

Post text · scraped from the leak site

Integrated Silicon Solution Inc. (ISSI) is a technology company specialized in the design and development of semiconductors for tech industries. It produces a wide range of integrated circuits, including dynamic and static random access memory chips, flash memory, and digital and analog integrated circuits. Founded in 1988, it serves clients globally from sectors such as automotive, networking, telecommunication, and digital consumer.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Jul 4, 2025

Claim posted

—

Corroborated · see linked filings

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

Claim → filing

—

Compliance clock

Not assessable

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

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Filing propagation · 5 filings · 4 states

View merged incident ↗
Leak SiteJul 4 · first · this page
Indiana State AG+125d
California State AG+125d
New Hampshire State AG+125d
Massachusetts State AG+125d

Pattern: first filing Jul 4, last Nov 7 (MA) — a 125-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source ceiling

  • actor name
  • victim claim
  • ransom/leak status
  • discovery date
  • materiality
  • notification
  • affected count
  • confirmed data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this groupFirst seen 2022-06-23

worldleaks

According to ransomware.live, World Leaks emerged in January 2025 as a rebrand of the Hunters International ransomware operation, shifting its focus from file encryption to solely stealing sensitive data and threatening to leak it unless a ransom is paid

187 tracked hereFull profile →