Cyber watchdog Citizen Lab and Lookout Security published the first public technical analyses of Pegasus in August 2016 after they captured the spyware in a failed attempt to spy on the iPhone of a human rights activist.[8][9] Subsequent investigations into Pegasus by Amnesty International, Citizen Lab, and others have garnered significant media attention, including in July 2021 with the release of the Pegasus Project investigation, which centered on a leaked list of 50,000 phone numbers reportedly selected for targeting by Pegasus customers.[10][11]