This document discusses cloud computing security challenges. It identifies 14 specific challenges such as migrating personal information and sensitive data to the cloud, ensuring compliance with data protection directives, managing access and identities, securing hypervisors and virtual operating systems, attracting hackers as cloud presents a high value target, and issues with cloud forensics and data discovery. It also maps these 14 challenges to relevant domains in cloud security like governance, legal and electronic discovery, encryption, identity and access management, compliance, and incident response. The document was created by Alexandra Institute on cloud computing security and provides a link for more information.