Concord

Concord suffered from a data breach information that exposed information of around 70000 people whose information was on 108 hard drives that went missing in 2019.

Backup machines were explored for months by a third party.

Source: https://www.databreaches.net/ma-concord-data-breach-affected-about-70000-across-the-country-hard-drives-still-missing/

"id": "CON2338223",
"linkid": "concord",
"type": "Breach",
"date": "05/2021",
"severity": "60",
"impact": "3",
"explanation": "Attack with significant impact with internal employee data leaks"