Cyber Incident Victim: Diodes Incorporated
Date:
Sep 2022
Location:
United States of America
Summary
Diodes Incorporated confirmed a data breach involving unauthorized access to consumer information, which included names, addresses, Social Security numbers, driver’s license and state identification numbers, as well as health and insurance details. The semiconductor manufacturer initiated a review of affected files to identify compromised data and impacted individuals, subsequently notifying them via breach letters. The incident's origin—whether internal systems or third-party involvement—remains undisclosed. Headquartered in Texas with global operations, the company specializes in semiconductor manufacturing for automotive, industrial, and consumer applications.
| CIA Posture | Motives | Tactics, Techniques & Procedures |
|---|---|---|
| Available to members | 1 motive | 2 techniques |
| Threat Actors | Type | Location |
|---|---|---|
| 0 actors | Available to members | Available to members |
Description
On September 23, 2022, Diodes Incorporated publicly confirmed a data breach involving unauthorized access to consumer information. The compromised data included sensitive personal details such as names, addresses, Social Security numbers, driver’s license numbers, state identification numbers, health information, and health insurance information. The company initiated a review of affected files upon discovering the breach to identify impacted individuals and the specific data exposed. Diodes Incorporated notified affected parties through data breach letters sent on the same day as the public confirmation, advising them about potential risks of identity theft and fraud. The breach notification was filed with the Texas Attorney General’s office, though the company did not publish a detailed public statement on its website regarding the incident’s origins. No information was disclosed about whether the breach occurred within Diodes’ own systems or through a third-party vendor, nor were technical details about the intrusion methods or timeline revealed. The scope of impacted individuals remained unspecified in available reports, though the breach affected customers whose data was entrusted to the semiconductor manufacturer.
Diodes Incorporated, founded in 1959 and headquartered in Plano, Texas, designs and manufactures semiconductors for automotive, industrial, consumer, communications, and computing applications. The company operates globally with facilities in China, England, Germany, Taiwan, South Korea, and Hong Kong, employing over 7,937 people and generating approximately $1 billion in annual revenue. As a publicly traded entity on the NASDAQ (DIOD) included in the S&P Smallcap 600 and Russell 3000 Index, the breach represented a significant cybersecurity incident for the manufacturing firm. The company’s response focused on post-breach analysis of compromised files and regulatory compliance through Attorney General notifications, but no remediation steps, security enhancements, or forensic findings were disclosed publicly. The incident exposed highly sensitive categories of personal data, increasing risks of financial fraud and medical identity theft for affected consumers. Diodes Incorporated’s disclosure emphasized the compromised data types and notification process while omitting technical specifics about attack vectors, containment measures, or operational disruptions.