Security for Data at Rest: Critical Challenges and IBM Information Infrastructure Solutions

The management of information risk has become one of the highest priorities of today's enterprise. Availability continues to be a primary objective of information management, but the definition and scope of availability has expanded to address issues from disaster recovery and business continuity to data retention. Retention requirements have themselves been stretched by a seemingly unending wave of regulatory compliance mandates, which also demand a higher standard of information protection against data privacy breaches and security threats that directly target sensitive information as never before. Encryption can secure data on storage devices when the devices leave the owners' control - such as when devices are repurposed, lost, or returned for an expired lease, repair, or for warranty replacement.