Exostar Files Official Notice of Data Breach Following Incident Involving Third-Party System

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On December 23, 2024, Exostar LLC filed a notice of data breach with the Attorney General of New Hampshire after discovering that sensitive information belonging to certain individuals that was stored on a third-party system was subject to unauthorized access. Upon completing its investigation into the incident, Exostar began sending out data breach notification letters to all individuals whose information was affected.

If you received a data breach notification from Exostar LLC, it is essential you understand what is at risk and what you can do about it. A data breach lawyer can help you learn more about how to protect yourself from becoming a victim of fraud or identity theft, as well as discuss your legal options following the Exostar data breach. For more information, please see our recent piece on the topic here.

What Caused the Exostar Data Breach?

The Exostar data breach was only recently announced, and more information is expected in the near future. However, Exostar’s filing with the Attorney General of New Hampshire provides some important information on what led up to the breach. According to this source, in October 2023, Exostar was alerted to a potential data security incident involving an unauthorized party gaining access to sensitive information through a third-party system.

In response, Exostar launched an investigation to learn more about the incident, its causes, and whether any confidential information had been exposed. Through this investigation, Exostar learned that the unauthorized party was able to access and potentially acquire information from the third party’s systems between October 2023 and April 2024.

After learning that sensitive consumer data was accessible to an unauthorized party, Exostar reviewed the compromised files to determine what information was leaked and which consumers were impacted. Exostar completed this review process on November 22, 2024,

On December 23, 2024, Exostar sent out data breach letters to anyone who was affected by the recent data security incident. While the publicly available data breach letter on the New Hampshire Attorney General’s website doesn’t mention the specific data types that were compromised, these personalized data breach letters should provide victims with a list of what information belonging to them was leaked.

More Information About Exostar LLC

Exostar is a provider of secure identity and access management solutions, specializing in enabling collaboration and supply chain management for highly regulated industries such as aerospace, defense, and healthcare. Headquartered in Herndon, Virginia, Exostar connects businesses, suppliers, and partners through its secure cloud-based platform, facilitating the exchange of critical information while ensuring compliance with industry standards. The company's offerings include identity assurance, secure data sharing, and risk management solutions designed to streamline operations and enhance security. Exostar employs approximately 225 people and generates an estimated $45 million in annual revenue.

DISCLAIMER: Because of the generality of this update, the information provided herein may not be applicable in all situations and should not be acted upon without specific legal advice based on particular situations. Attorney Advertising.

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