McAfee polled 1,000 enterprise organizations around the world and combined their data with insight from billions of anonymized cloud events across their customer base. Most cloud adopters (87%) report business acceleration, and 52% claim to experience better security. Only 26% of respondents say they can audit infrastructure-as-a-service (IaaS) configurations such as open access to storage buckets. Sixty-five percent of sensitive data is stored in collaboration and business apps, including Office 365, which holds 31% of sensitive enterprise data.”]
Source: https://www.darkreading.com/cloud/as-cloud-adoption-grows-dlp-remains-key-challenge