Attackers Access Aesto Health AWS Infrastructure, Exposing 9.5 Million Records
Brief
Aesto Health suffered a breach exposing personal and health data of more than 9.5 million people after attackers accessed its AWS infrastructure.
Aesto Health, a U. S. healthcare technology company, disclosed a data breach that exposed personal and health information belonging to more than 9. 5 million people. The company discovered the incident on December 18, 2025, after attackers gained access to part of its Amazon Web Services infrastructure.
Aesto Health is a U. S. healthcare technology company based in Birmingham, Alabama. It helps healthcare providers manage and protect electronic health records and other legacy medical data. Its services include secure data migration, electronic health record (EHR) exchanges and long-term data archiving.
Aesto works with medical practices and healthcare organizations that need to move, store or access patient information securely.