Kemper - 269,299 breached accounts

1 · Haveibeenpwned · May 28, 2026, 7:53 a.m.
Summary
In April 2026, Kemper Corporation suffered a significant data breach linked to the ShinyHunters ransomware group, involving the theft of sensitive information from their Salesforce environment through social engineering attacks. The breach reportedly exposed 269,299 unique email addresses along with names, phone numbers, addresses, and some credit card data. Kemper has confirmed the incident and is working with cybersecurity experts and law enforcement.