investigations

The Guardian's secure messaging technology, launched in June, has significantly improved the quality of tips from sources, utilizing advanced encryption techniques to ensure confidentiality. The app allows messages to vanish after 14 days and is designed to protect sources' anonymity better than many other encrypted services. It has been recognized as a finalist for a major award and has led to a notable increase in story tips, particularly from the U.S. and Australia, despite its primary user base being in the UK and Europe. The app operates independently of The Guardian's paywall, enabling non-paying users to submit tips freely. The platform encourages contributions from users who may have felt intimidated by other secure methods. The technology enhances communication quality and allows sources to provide context to existing stories. As of September, the app has one million daily active users, with features that obscure genuine communications among automated messages, contributing to source protection. The Guardian has invested in guiding sources on crafting effective tips and has made the secure messaging technology open source for other newsrooms to adopt, aiming to improve source protection across the industry. Collaborations with organizations like The Signals Network and the University of Cambridge are ongoing to gather feedback and enhance the technology further.