It’s proving what’s realFor years, organisations have invested heavily in protecting themselves against cyberattacks and online misinformation. What has changed is the ease with which convincing digital content can now be produced. The concept of digital provenance offers one possible answer. The best-known initiative in this field is the Coalition for Content Provenance and Authenticity (C2PA), an open technical standard supported by technology companies, publishers and camera manufacturers. The technology is not a complete solution, because metadata can be removed under certain circumstances and provenance information is valuable only if software platforms preserve it.