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Riana Pfefferkorn

Q&A with Riana Pfefferkorn, Stanford Internet Observatory Research Scholar

News / January 21, 2021
Riana Pfefferkorn joined the Stanford Internet Observatory as a research scholar in December. She comes from Stanford’s Center for Internet and Society, where she was the Associate Director of...
china and us flags

Heal the Transatlantic Technology Policy Rift to Combat China's Digital Authoritarian Model

Commentary / January 20, 2021
Our EU partners must resist the impulse to digital sovereignty.
U.S. Capitol Building at night

Top Technology Policy Priorities for the New Administration

Commentary / January 19, 2021
Now is the time to rally the world around a democratic vision of digital society.
magnifying glass hovering over Wikipedia logo

How to Investigate Wikipedia: Our Process

Blog / January 14, 2021
Wikipedia celebrates its 20th anniversary this month. This blog post, the second of two, looks at how open source investigators can conduct research on Wikipedia.
wikipedia graphic

Inauthentic Editing: Changing Wikipedia to Win Elections and Influence People

Blog / January 7, 2021
Wikipedia celebrates its 20th anniversary this month. This is the first of two blog posts exploring the use, misuse, and ultimate resilience of this open, community-edited platform.
stop hand facing video camera

Online Consent Moderation

Blog / December 18, 2020
New Approaches to Preventing Proliferation of Non-Consensual Intimate Images
takedown report headliner

Stoking Conflict by Keystroke

Blog / December 15, 2020
New Facebook takedowns expose networks of Russian-linked assets targeting Libya, Sudan, Syria, and the Central African Republic.
anti-GNA Facebook post

Slanted Narratives, Social Media, and Foreign Influence in Libya

Blog / November 10, 2020
New working paper assesses the role of foreign influence in Libyan social media
Mostly right-wing protesters, including a young woman wearing a QAnon shirt, in Berlin

Society Needs to Adapt to a World of Widespread Disinformation

News / October 28, 2020
Renée DiResta is leading the fight against online disinformation. On the World Class Podcast, she describes what it’s like to expose malign actors in the emerging world of ceaseless propaganda and...
Graham Webster Q&A

Q&A with Graham Webster of the Program on Geopolitics, Technology, and Governance

Q&A / October 27, 2020
Webster explains how DigiChina makes Chinese tech policy accessible for English speakers
Lawfare Debate

The Threat of Foreign Influence Operations

Blog / October 23, 2020
A new SIO-Lawfare debate series argues the questions: What is the impact of foreign influence operations targeting the United States? Is public conversation commensurate with the threat level?
Vote by mail

How to Ensure a Free and Fair Election During a Pandemic

News / October 14, 2020
On the World Class Podcast, Nathaniel Persily weighs in on the risk of voter fraud, questions about mail-in ballots, and his work with the Stanford-MIT Healthy Elections Project.
Nigeria Takedown twitter graphic

Analysis of an October 2020 Facebook Takedown Linked to the Islamic Movement in Nigeria

Blog / October 8, 2020
In this post and in the attached report we investigate an operation that called for the release from prison of Sheikh Ibrahim El-Zakzaky.
Twitter takedown

Analysis of Twitter Takedowns Linked to Cuba, the Internet Research Agency, Saudi Arabia, and Thailand 

Blog / October 8, 2020
In this post and in the attached reports we investigate operations linked to youth organizations with ties to the Cuban government, the Internet Research Agency, the Kingdom of Saudi Arabia, and the...
takedown report headliner

Analysis of an October 2020 Facebook Takedown Linked to U.S. Political Consultancy Rally Forge

Blog / October 8, 2020
An astroturfing operation involving fake accounts (some with AI-generated images) that left thousands of comments on Facebook, Twitter, and Instagram. Clients included Turning Point Action and...
Fake profiles real children internet observatory

Fake Profiles, Real Children

Blog / October 1, 2020
A Look at the Use of Stolen Child Imagery in Social Media Role-Playing Games
Banner Image Wenxue City

Chinese Expat News Site Resists CCP Influence

Blog / September 24, 2020
A popular source of information among the Chinese diaspora is the website There have been allegations that the site’s funding is linked to the Chinese government. In this post, we...
Guinean President Alpha Condé Signing Secretary of State Kerry's Guest Book, October 9, 2014.

Who Are the President of Guinea's Facebook Trolls? The Blurry Line Between Modern Campaigning and Coordinated Inauthentic Behavior

Blog / September 21, 2020
We document an extensive network of Facebook Pages operated by Guinean president Alpha Condé’s political party. The Pages coordinated posting to support Condé's bid for a third term, and the...
Le président guinéen Alpha Condé signe le livre d'or du Secrétaire d'Etat américain John Kerry

Qui sont les trolls Facebook du président guinéen ? Campagne électorale moderne ou actions inauthentiques concertées, une frontière floue

Blog / September 21, 2020
Nous avons enquêté sur un large réseau de pages Facebook opérées par le parti du président guinéen Alpha Condé. Les Pages orchestrent des publications qui soutiennent la candidature de Condé à un...
Vote by mail image

Stanford Scholars Find No Partisan Advantage of Mail-in, Absentee Voting but Other Challenges Lie Ahead

News / September 9, 2020
Mail-in voting has come under partisan scrutiny, but according to Stanford research, it does not appear to benefit one political party over the other. However, challenges to mail-in and absentee...
flag graphic

A US PR Firm Steps Into Contested Elections

Blog / September 4, 2020
A U.S.-based strategic communications firm engaged in coordinated inauthentic behavior targeting people in Bolivia and Venezuela.
graphic of facebook page on computer

Reporting for Duty

Blog / September 1, 2020
An investigation into a network of Pakistan-based Facebook and Instagram accounts suspended for coordinated inauthentic behavior reveals mass reporting to silence critics of Islam and Pakistan.
Encina Hall and its front lawn

Profile | Dan Boneh

Q&A / August 28, 2020
Co-Director, Stanford Cyber Policy Center, Rajeev Motwani Professor in the School of Engineering, Professor of Electrical Engineering