TLDR InfoSec · ATTACKS & VULNERABILITIES

AESTO HEALTHCARE DATA BREACH IMPACTS 9.5 MILLION PEOPLE

cyberinsider.com2 min read

Summary from the TLDR InfoSec newsletter

Aesto reported that unauthorized access to part of its AWS infrastructure exposed data tied to 9,540,683 people. The intrusion ran from about December 2 to December 18, 2025. Records may include medical, insurance, financial, and government ID data. Aesto confirmed affected files in May, notified clients in June, and offered 24 months of Experian IdentityWorks.