Semiconductor Maker, Integrated Silicon Solution, Hit in Cyberattack

November 13, 2025

INCIDENT

Milpitas, California-based semiconductor manufacturer, Integrated Silicon Solution, Inc., (ISSI) suffered a cyberattack in June where personally identifiable information ended up stolen in the hack.
According to their notice, the breach first occurred June 6 and June 7.
“On June 30, 2025, ISSI identified evidence that an unauthorized third party accessed its network,” the company said a letter to victims. “Upon discovering the incident, ISSI promptly activated incident response measures and initiated an investigation.”

Incident Date

June 6, 2025

Estimated Cost

Unknown at this time

Type of Malware

No Malware identified

Threat Source

No threat source identified