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Received a Musarubra US LLC dba Trellix notification letter? Read the letter guide
MonitoringIndiana AG filing · August 28, 2026

Musarubra US LLC dba Trellix Discloses Data Breach in Indiana

Musarubra US LLC, operating as Trellix, reported a data breach to regulators in Indiana on August 28, 2026, following an incident that occurred in February 2026. The filing indicates personal information may have been compromised, and affected individuals should remain vigilant.

State
Indiana
Breach date
February 28, 2026
Reported
August 28, 2026

What may have been exposed

  • Full Name
  • Email Address
  • Password or Credential Hash
  • Mailing Address
  • Phone Number
  • Employment and Professional Title
  • Corporate Account History
  • Internal System Access Logs

Musarubra US LLC, operating as Trellix, officially reported a data breach incident to regulatory bodies in Indiana. The breach, which was discovered on February 28, 2026, was formally filed on August 28, 2026, as documented in public records.

The official filing does not specify the exact categories of personal information affected by this event, nor does it detail the nature of the breach itself. However, individuals potentially impacted are advised that their personal information may have been compromised.

As of the filing date, the investigation into the Trellix data breach remains ongoing, with the company indicating a 'monitoring' status for the incident. The report did not specify the number of people affected or the Attorney General's office involved.

Individuals who receive a breach notification from Trellix should carefully review its contents for specific instructions. Generally, it is prudent to remain vigilant against unsolicited communications, monitor credit reports and financial statements for unauthorized activity, and consider changing passwords for online accounts.

Staying informed about the official communications from Musarubra US LLC dba Trellix is key to understanding any further developments related to this data security incident. Prompt action can help mitigate potential risks associated with exposure of personal information.

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.

  • 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: Indiana Attorney General filing

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