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Report

18 Jul 2021

Author:
Amnesty International

Amnesty International’s forensic methodology report into detecting NSO Group’s Pegasus

NSO Group claims that its Pegasus spyware is only used to “investigate terrorism and crime” and “leaves no traces whatsoever”. This Forensic Methodology Report shows that neither of these statements are true. This report accompanies the release of the Pegasus Project, a collaborative investigation that involves more than 80 journalists from 17 media organizations in 10 countries coordinated by Forbidden Stories with technical support of Amnesty International’s Security Lab.

Amnesty International’s Security Lab has performed in-depth forensic analysis of numerous mobile devices from human rights defenders (HRDs) and journalists around the world. This research has uncovered widespread, persistent and ongoing unlawful surveillance and human rights abuses perpetrated using NSO Group’s Pegasus spyware.

As laid out in the UN Guiding Principles on Business and Human Rights, NSO Group should urgently take pro-active steps to ensure that it does not cause or contribute to human rights abuses within its global operations, and to respond to any human rights abuses when they do occur. In order to meet that responsibility, NSO Group must carry out adequate human rights due diligence and take steps to ensure that HRDs and journalists do not continue to become targets of unlawful surveillance.

In this Forensic Methodology Report, Amnesty International is sharing its methodology and publishing an open-source mobile forensics tool and detailed technical indicators, in order to assist information security researchers and civil society with detecting and responding to these serious threats.

This report documents the forensic traces left on iOS and Android devices following targeting with the Pegasus spyware. This includes forensic records linking recent Pegasus infections back to the 2016 Pegasus payload used to target the HRD Ahmed Mansoor.

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