Media giant Viacom left sensitive data and secret access key on unsecured Amazon AWS S3 bucket, a gift for hackers. The huge trove of data store was discovered by the popular security researcher Chris Vickery, director of Cyber Risk Research at security shop UpGuard. The Amazon S3. bucket contained 72 compressed.tgz files in a folder labeled MCS name which appears to be V.iacoms Multiplatform Compute Services division that operates IT systems for the firm.”]
Source: https://securityaffairs.co/wordpress/63201/data-breach/viacom-data-leak.html