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MonitoringIndiana AG filing · June 5, 2026

Walker Advertising LLC Data Breach: What the Indiana Filing Shows

Walker Advertising LLC filed notice with the Indiana Attorney General on June 5, 2026, regarding a data security incident that occurred on October 14, 2025. This incident resulted in the exposure of various personal data types for affected individuals, necessitating vigilance and protective measures.

State
Indiana
Breach date
October 14, 2025
Reported
June 5, 2026

What may have been exposed

  • Full Name
  • Date of Birth
  • Email Address
  • Mailing Address
  • Password or Credential Hash
  • Phone Number
  • Purchase and Order History
  • Payment Card Information

Walker Advertising LLC, based in Indiana, officially reported a data breach to state regulators on June 5, 2026. This notification detailed a security incident that took place on October 14, 2025, which led to unauthorized access to personal information. The company is actively monitoring the situation following this compromise of its network infrastructure.

The reported exposed data categories include individuals' Full Name, Date of Birth, Email Address, Mailing Address, Phone Number, and Purchase and Order History. Additionally, sensitive digital credentials such as Password or Credential Hash were exposed, along with Payment Card Information.

Exposure of these data types creates several potential risks for affected individuals. Compromised personal identifiers like names, dates of birth, and contact information can be used for identity theft or targeted phishing attempts. Stolen payment card information may lead to unauthorized transactions, while exposed password hashes could allow access to other online accounts if individuals reuse credentials.

It is important for individuals who may be affected to take proactive steps. Review all financial statements and credit reports for any unfamiliar activity. Consider changing passwords for online accounts, especially if you have used the same credentials across multiple services. Additionally, be cautious of unsolicited communications, as exposed contact information can be exploited for phishing scams. Staying vigilant against suspicious emails or calls is a key protective measure.

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.

  • 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: Indiana Attorney General filing

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