Altos Inc

Altos Inc, a Business Associate based in CA, reported to HHS on 2025-08-11 a Hacking/IT Incident affecting 1,634 individuals. Breached information was located on a Network Server. The PHI involved included clinical and demographic information. In response, the BA notified HHS and affected individuals, provided complimentary credit monitoring, and implemented additional administrative, technical, and security safeguards.

Altos Inc reported to HHS on 2025-08-11 a Hacking/IT Incident affecting 2,366 individuals. Breached information located on Network Server. The breach involved protected health information (PHI) including clinical and demographic data. The business associate notified HHS and affected individuals, provided complimentary credit monitoring, and implemented additional administrative, technical, and security safeguards.

Altos Inc reported to HHS on 2025-08-11 a Hacking/IT Incident affecting 2700 individuals. Breached information located on Network Server. The business associate's breach exposed protected health information (PHI) including clinical and demographic data. The BA notified HHS and affected individuals, provided complimentary credit monitoring, and implemented additional administrative, technical, and security safeguards.

Altos Inc reported to HHS on 2025-08-11 a Hacking/IT Incident affecting 1,011 individuals. Breached information located on Network Server. The breach involved PHI including clinical and demographic information. The business associate notified HHS and affected individuals, provided complimentary credit monitoring, and implemented additional administrative, technical, and security safeguards.

Altos, a billing services provider for healthcare providers in southern California, experienced a data breach due to an internal system exposed to the Internet. The incident occurred between May 30 and May 31, 2025, and was discovered on June 17, 2025. An unauthorized third party accessed the system and may have exfiltrated personal and health information, including names, addresses, dates of birth, Social Security numbers, and health information. Altos blocked access to the system, hired a cybersecurity firm, and is offering credit monitoring to affected individuals.

Altos Inc reported a data breach to the Indiana Attorney General. The breach occurred on 2025-05-30 and was reported on 2025-08-01. 7 Indiana residents were affected. 15,956 individuals affected in total.