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MonitoringCalifornia AG filing · May 27, 2026

Ampex Data Systems Corp. Reports Data Breach in California

Ampex Data Systems Corporation, a California-based technology and defense contractor, reported a data breach impacting personal information on May 27, 2026. The incident, which occurred on March 21, 2026, exposed sensitive employee and personnel data, including Full Name, Social Security Number, and Banking Details, necessitating vigilance from affected individuals.

State
California
Breach date
March 21, 2026
Reported
May 27, 2026

What may have been exposed

  • Full Name
  • Social Security Number
  • Date of Birth
  • Mailing Address
  • Email Address
  • Employee ID Number
  • Wage and Compensation Information
  • Banking and Direct Deposit Details
  • Background Investigation Records

Ampex Data Systems Corporation, based in California, filed a report concerning a data breach on May 27, 2026. The company, known for its work in technology, aerospace, and defense, indicated that an unspecified security incident resulted in the compromise of sensitive personal information. The breach is reported to have occurred on March 21, 2026.

While the exact nature of the security incident was not specified in the public filing, breaches affecting companies in sensitive sectors often involve unauthorized access to internal systems. Such incidents aim to exploit vulnerabilities to gain entry to critical data repositories, which can include extensive personnel and operational records due to the nature of their business operations.

The exposed data categories include Full Name, Social Security Number, Date of Birth, Mailing Address, Email Address, Employee ID Number, Wage and Compensation Information, Banking and Direct Deposit Details, and Background Investigation Records. The compromise of these data types carries significant risks, potentially enabling identity theft, financial fraud, and targeted phishing attempts against affected individuals.

Individuals who receive a notification regarding this breach should carefully review the information provided by Ampex Data Systems Corporation. It is recommended to monitor financial accounts, credit reports, and statements for any suspicious activity. Placing a fraud alert or security freeze on credit files with the major credit bureaus can also help prevent unauthorized accounts from being opened.

Staying vigilant and aware of unsolicited communications is crucial. Be cautious of emails, calls, or texts requesting personal information, as these could be phishing attempts. Regularly updating passwords and using multi-factor authentication for online accounts adds another layer of security against potential misuse of exposed credentials.

What to do if you were affected

Based on the categories of information reported in this filing, these steps can help limit the risk of identity theft and fraud.

  • Freeze your credit

    Place a free credit freeze with Equifax, Experian, and TransUnion. A freeze blocks new accounts from being opened in your name and can be lifted anytime.

  • Guard against tax fraud

    File your tax return as early as possible and consider requesting an IRS Identity Protection PIN so no one can file a fraudulent return in your name.

  • Watch your financial accounts

    Review bank and card statements for unfamiliar activity and turn on transaction alerts. Report anything you don't recognize to your bank right away.

  • Secure your online accounts

    Change the password on any account that reused an exposed password and turn on two-factor authentication wherever it's offered.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

Source: California Attorney General filing

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