Cleo

Pierluigi Paganini April 15, 2025
Hertz disclosed a data breach following 2024 Cleo zero-day attack

Hertz Corporation disclosed a data breach after customer data was stolen via Cleo zero-day exploits in late 2024, affecting Hertz, Thrifty, and Dollar brands. Car rental giant Hertz Corporation disclosed a data breach that impacted its Hertz, Thrifty, and Dollar brands. Threat actors gained access to customer data via Cleo zero-day exploits in late 2024. […]

Pierluigi Paganini March 30, 2025
Sam’s Club Investigates Alleged Cl0p Ransomware Breach

The Walmart-owned membership warehouse club chain Sam’s Club is investigating claims of a Cl0p ransomware security breach. Sam’s Club is a membership warehouse club chain in the United States, owned by Walmart. Founded in 1983 by Sam Walton, Walmart’s founder, as Sam’s Wholesale Club, it was renamed Sam’s Club in 1990. These stores operate on a bulk […]

Pierluigi Paganini January 16, 2025
Clop Ransomware exploits Cleo File Transfer flaw: dozens of claims, disputed breaches

The Clop ransomware gang claims dozens of victims from a Cleo file transfer vulnerability, though several companies dispute the breaches. The Clop ransomware group added 59 new companies to its leak site, the gang claims to have breached them by exploiting a vulnerability ​​in Cleo file transfer products.  “We have data of many companies who […]