Kaspersky Lab found Calisto malware, a Precursor to Dangerous Proton macOS Malware Malware Kaspersky Lab found Calisto malware, a Precursor to Dangerous Proton macOS Malware do son July 22, 2018 Kaspersky Lab’s security experts recently found a virus called Calisto malware, the guy who was the predecessor... Read More Read more about Kaspersky Lab found Calisto malware, a Precursor to Dangerous Proton macOS Malware