Where does the Advantest America, Inc case file come from?

Every entry is taken from the breach report Advantest America, Inc lodged with the Indiana Attorney General. Nothing here is estimated.

Why do the incident date and the report date differ?

Companies usually investigate before they report. The gap between the two dates shows how long that took.

What does the records-affected figure count?

It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.

Does this case file change over time?

Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Case file

Case File: Advantest America, Inc Data Breach

This file collects the dated facts on record for the Advantest America, Inc incident. The state report is dated October 6, 2026. The incident itself is dated January 23, 2026.

Timeline

256 days separate the incident date from the date it was reported.

January 23, 2026Incident dateWhen the filing says the breach took place.
October 6, 2026Report filed in IndianaDate the notice was lodged with the Indiana Attorney General.

Case facts

Filing state: Indiana
Date reported: October 6, 2026
Incident date: January 23, 2026
Receiving office: Indiana Attorney General

Case notes

Advantest America, Inc., operating in Indiana, reported a data breach to regulators on October 6, 2026. The incident, which exposed personal information, was identified on January 23, 2026. Details about the exact nature of the breach remain unspecified in the public filing, but it involved unauthorized access to or disclosure of individuals' data.

The company has confirmed the incident and has indicated that an investigation is ongoing, with continued monitoring of the situation. While the filing does not specify the types of personal information involved, it is important for anyone potentially affected to understand that their data may have been compromised.

Since specific data types are not listed, general protective measures are recommended. Individuals should remain vigilant for any unusual activity in their financial accounts and be wary of unsolicited communications, such as emails or phone calls, that request personal details. These could be attempts to exploit the exposed information.

Consider reviewing account statements and credit reports regularly for any discrepancies or fraudulent activity. If you receive a notification letter from Advantest America, Inc., it will provide more specific details regarding your involvement and any resources the company is offering.

Staying informed and proactive is key to mitigating potential risks associated with data exposure. Affected individuals are encouraged to follow any guidance provided directly by Advantest America, Inc. and to practice general cybersecurity hygiene.

Questions about this case file

Where does the Advantest America, Inc case file come from?: Every entry is taken from the breach report Advantest America, Inc lodged with the Indiana Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?: Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?: It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?: Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Indiana data breaches

Filing source: Indiana Attorney General

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Timeline

Case facts

Case notes

Questions about this case file

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