Integrated Silicon Solution Data Breach Affects Subscriber Privacy
By Join The Case · Published November 7, 2025 · Updated November 7, 2025 · 6 min read
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Dapeer Law, P.A., a top-rated class action law firm, is investigating the Integrated Silicon Solution data breach. If you received notice that your information was exposed during this breach, you may be entitled to compensation. It's free to join our investigation to see if we can help you recover.

Integrated Silicon Solution Data Breach Lawsuit Investigation

Integrated Silicon Solution is notifying select individuals that an unauthorized party accessed files on a limited number of its servers. If you received a breach notice, you may be entitled to free identity protection and possible compensation. Contact our team today to learn about your legal options.

Key Takeaways

  • Incident discovered: June 30, 2025
  • Public disclosure to California residents: November 7, 2025
  • Systems affected: limited server environments, including a file server
  • Data exposed: name plus certain personal data elements (varied by individual)
  • Identity monitoring: complimentary through Epiq
  • Law-enforcement notification and third-party cybersecurity support engaged

What Happened

According to Integrated Silicon Solution, Inc. (Integrated Silicon Solution), evidence of unauthorized network access was identified on June 30, 2025. The company immediately activated its incident-response protocol, engaged external cybersecurity advisors, and informed law enforcement. An investigation confirmed that a limited number of server environments—including a file server—were accessed or acquired by the intruder. A specialized e-discovery team completed a detailed file review on November 4, 2025 to determine the presence of personal information.

What Information Was Involved

Integrated Silicon Solution reports that the exposed data may have included an individual’s name along with additional, specific data elements. The exact information varied for each person affected.

Company Response

The company states that it has:

  • Enhanced technical, administrative, and procedural safeguards to reduce future risk;
  • Retained third-party cybersecurity and e-discovery teams to investigate and analyze impacted files; and
  • Offered complimentary identity-monitoring services through Epiq to all notified individuals.
Download Official Breach Notice (PDF)

Timeline of Events

  • June 30, 2025 — Unauthorized access detected.
  • July 2025 (approx.) — Incident response measures initiated; law enforcement notified.
  • November 4, 2025 — e-Discovery team completes review of affected files.
  • November 7, 2025 — California Attorney General notice filed and letters mailed to impacted individuals.

Your Next Steps

  1. Activate the Free Monitoring. Follow the enrollment instructions in your letter to access identity monitoring through Epiq.
  2. Review Account Statements. Monitor bank, credit-card, and medical statements for unusual activity.
  3. Consider Credit Freezes or Fraud Alerts. Place a freeze with the nationwide credit bureaus for additional protection.
  4. Preserve Evidence. Keep copies of the breach letter and any suspicious correspondence.
  5. Explore Legal Options. Speak with a data-privacy attorney to determine eligibility for a claim.

Company Overview

Integrated Silicon Solution, Inc. (Integrated Silicon Solution) develops and markets high-performance memory and analog IC products for the semiconductor industry.

  • Website: issi.com
  • Headquarters: 1623 Buckeye Dr., Milpitas, CA, United States
  • Founded: 1988
  • Industry: Semiconductors
  • Employees: 720

Frequently Asked Questions

1. I received a data breach letter from Integrated Silicon Solution — what should I do?

Enroll in the free identity-monitoring service offered through Epiq, monitor your accounts for suspicious activity, and consider seeking legal advice about your rights.

2. How do I submit a claim related to the Integrated Silicon Solution data breach?

Claims are handled through civil litigation. Preserve your breach letter and contact an attorney experienced in data-privacy cases to discuss potential compensation.

3. What information did the Integrated Silicon Solution breach expose?

The company reports that names and certain additional personal data elements were involved. Specific details differ for each affected individual.

4. Did Integrated Silicon Solution offer credit or identity monitoring?

Yes. The company is providing complimentary identity-monitoring services through Epiq at no cost to affected individuals who enroll.

5. How many people were affected by the Integrated Silicon Solution breach?

The company described the incident as impacting a relatively small number of individuals but has not publicly disclosed an exact total.

6. How can I get the official breach notice (PDF) for Integrated Silicon Solution?

You can download the notice directly from the California Attorney General website using the button above or via the official PDF link.

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