Citizen Lab says investigation found that at least 65 individuals were targeted with software sold by two NSO Group and Candiru

Cybersecurity firm Eset claims Tel Aviv-based company's software used against sites and services in Yemen, Syria, Saudi Arabia and Iran

Commerce Department says Israeli companies suspected of link to 'activities contrary to the national security or foreign policy interests of the United States'

US tech firm issues software update after working with Citizen Lab to probe Candiru, which allegedly developed tools used to snoop on rights activists, others