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Confirmed

Ampex Data Systems: network encrypted and data accessed by threat group

On March 21, 2026, a threat actor group accessed and encrypted the network at one office; forensics confirmed access to network data, which may have included contractors’, employees’ and dependents’ names, addresses, SSNs and dates of birth.

Last updated: 2026-11-09

Overview

Contained March 23; extent known April 15. Reported to FBI IC3 and DoD DC3. No total is given.

Timeline

  1. Occurred
  2. Discovered
  3. Disclosed

Organization response

Per the notice, the organisation investigated and contained the incident, notified individuals and offered monitoring or protective resources.

What you can do

Verify notices through official channels, avoid links in unexpected messages, do not provide credentials, and review credit reports and statements.

Sources

  1. California AG data breach report: Ampex Data Systems CorporationCalifornia Department of Justice, Office of the Attorney General · 2026-11-09
  2. Sample consumer notice filed with California AG (Ampex Data Systems Corporation)California Department of Justice, Office of the Attorney General · 2026-11-09

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