WhatsApp sued Israeli surveillance firm NSO Group, accusing it of using a flaw in its messaging service to conduct cyberespionage on journalists and activists. Facebook has patched a critical zero-day vulnerability in WhatsApp, tracked as CVE-2019-3568, that has been exploited to remotely install spyware on phones by calling the targeted device. Facebook did not name the threat actor exploiting the vulnerability, it described the attackers as an advanced cyber actor that targeted a select number of users”]
Source: https://securityaffairs.co/wordpress/93162/malware/whatsapp-lawsuit-nso-group.html