Kmart suffered a data breach incident after the personal details of its online customers were hacked.
The company employed IT, and forensic investigators to investigate the incident.
No customer's credit card or other payment details, however, customer’s names, email addresses, home addresses, telephone numbers, and product purchase details were accessed in an “external privacy breach.
Source: https://www.databreaches.net/kmart-customer-details-hacked/
"id": "KMA1925261122",
"linkid": "kmart",
"type": "Data Leak",
"date": "10/2015",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"