Imperva, a leading provider of Internet firewall services alerted customers on August 27 that a recent data breach exposed email addresses, scrambled passwords, API keys and SSL certificates for a subset of its firewall users. Chief Technology Officer recently disclosed that the data breach occurred due to errors that happened while the company was migrating to a cloud-based database service.
https://www.scmagazineuk.com/imperva-cto-breach-caused-mishandled-database-migration/article/1662288