Bill Marczak

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I am a Senior Research Fellow at Citizen Lab, a co-founder of Bahrain Watch, and a Postdoctoral Researcher at UC Berkeley, where I received my PhD in Computer Science under the advisorship of Vern Paxson. My work focuses on novel technological threats to Internet freedom, including new censorship and surveillance tools. My expertise is in Internet scanning and conducting digital investigations. Coverage of my work has been featured in Vanity Fair, the New York Times, the Washington Post, on CNN, and on Larry King.

Articles

Spyware Targeting Against Serbian Civil Society

We confirm that two members of Serbian civil society were targeted with spyware earlier this year. Both have publicly criticized the Serbian government. We are not naming the individuals at this time by their request. The Citizen Lab’s technical analysis of forensic artifacts was conducted in support of an investigation led by Access Now in collaboration with the SHARE Foundation. Researchers from Amnesty International independently analyzed the cases and their conclusions match our findings.

PREDATOR في الاتصالات: أحمد الطنطاوي مستهدف ببرنامج التجسس Predator بعد الإعلان عن نيته للترشح للرئاسة

بين شهري مايو وسبتمبر 2023، استُهدِف عضو البرلمان المصري السابق أحمد الطنطاوي ببرنامج التجسس Predator من Cytrox عبر روابط أُرسلت إليه عبر رسائل قصيرة و رسائل WhatsApp. وقع الاستهداف بعد أن صرح الطنطاوي علنًا بخطته للترشح لمنصب الرئاسة في الانتخابات المصرية لعام 2024.

Independently Confirming Amnesty Security Lab’s finding of Predator targeting of U.S. & other elected officials on Twitter/X

Amnesty International’s Security Lab has just published Caught in the Net as part of the European Investigative Collaborations‘ Predator Files, which details a threat actor sending what they assess to be Predator infection links on social media in replies to Twitter / X posts by officials, journalists and other members of civil society. The Citizen… Read more »

PREDATOR IN THE WIRES: Ahmed Eltantawy Targeted with Predator Spyware After Announcing Presidential Ambitions

Between May and September 2023, former Egyptian MP Ahmed Eltantawy was targeted with Cytrox’s Predator spyware via links sent on SMS and WhatsApp after Eltantawy publicly stated his plans to run for President in the 2024 Egyptian elections. As Egypt is a known customer of Cytrox’s Predator spyware, and the spyware was delivered via network injection from a device located physically inside Egypt, we attribute the attack to the Egyptian government with high confidence.

New Pegasus Spyware Abuses Identified in Mexico

Mexican digital rights organization R3D, with technical support from the Citizen Lab, has determined that Mexican journalists and a human rights defender were infected with Pegasus between 2019 and 2021. The infections occurred years after the first revelations of Pegasus abuses in Mexico, and after Mexico’s current President assured the public that the government no longer used the spyware, and that there would be no further abuses.