1.6 Million Victims: Unpacking the Severe Data Breach at Landmark Admin

Overview of Landmark Admin’s Data Breach

In May 2024, Landmark Admin, a Texas-based third-party administrator known for its extensive services in policy accounting, regulatory reporting, reinsurance support, and IT systems management for major insurers, reported a severe cyberattack. As the investigation has progressed, the number of compromised individuals has soared to 1.6 million.

Detailed Timeline and Impact of the Breach

Initially detected on May 13, 2024, suspicious activities in Landmark’s networks suggested unauthorized access. The breach potentially exposed a wide range of personal information affecting 806,519 people initially, including:

  • Full name
  • Home address
  • Social Security number
  • Tax identification numbers
  • Driver’s license numbers
  • State-issued identification cards
  • Passport numbers
  • Financial account details
  • Medical information
  • Date of birth
  • Health insurance policy numbers
  • Life and annuity policy information

Increased Scope of Victims

An updated filing with the Main Attorney General’s office revealed an even higher victim count, now estimated at 1,613,773 individuals. Landmark Admin has committed to continual updates on this situation, as the forensic investigation progresses and new findings may arise.

Company’s Response and Measures for Victims

Landmark Admin has promised rigorous forensic investigations and direct communication with affected individuals through personalized letters detailing specific data compromises. Moreover, the company is offering 12 months of identity theft protection and credit monitoring services to mitigate the risks for the victims.

Data Protection Recommendations

Victims have been advised to monitor their credit reports and consider placing fraud alerts or a security freeze to safeguard against potential identity theft. Additionally, a dedicated helpline is available to address concerns, with a 90-day window offered for victims to make inquiries post-notification.

The challenge of navigating this significant data breach continues, as Landmark Admin works to secure their systems and restore trust among consumers and collaborators.

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Last Updated: April 15, 2025