WhatsApp has identified an "advanced security flaw" in its messaging service that allowed hackers to install spyware onto phones, the Facebook-owned company confirmed Monday, as it urged its 1.5 billion users to update the latest app version.
Why matters: The Financial Times first reported the vulnerability was developed by NSO Group. The Israeli security firm has been accused of supplying tools for spying on rights groups and journalists, including the slain Washington Post columnist Jamal Khashoggi. Amnesty International is launching legal action to get NSO Group's export license withdrawn in Israel. NSO Group denies any wrongdoing.