data leak
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The Paradise Papers investigation saw reporters from 67 countries analyse 13.4 million documents to reveal how the world's corporations and politicians hide their fortunes in tax havens. The work highlighted the importance of collaborative work within the industry, while teaching journalists around the world how to best handle massive data leaks.

In this article from IJNet, ICFJ Knight Fellow Fabiola Torres López, explains how the 383 reporters collectively examined a mass of documents, emails, PDFs, databases and images, before field-checking data and cross-checking information.

López outlines some of the tools and programmes that the journalists involved became familiar with while working on the Paradise Papers, divided into three categories: digital security, document search, and data connections.

Find out more about how Süddeutsche Zeitung was able to keep the leaks that led to the Panama and Paradise Papers a secret.

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