The two computer servers of Horizon Actuarial were accessed without authorization for a limited period.
The hackers stole the copies of personal data from its computer server including include names, dates of birth, Social Security numbers and health plan information.
Horizon immediately launched the investigation and secured its servers.
Source: https://www.horizonactuarial.com/notice-of-data-incident.html
"id": "HOR153630422",
"linkid": "horizon-actuarial-services",
"type": "Breach",
"date": "11/2021",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"