SubRosaSoft has announced the availability of CipherWorks 4.0, a utility that allows Mac users protect their data from unauthorized access. CipherWorks allows users to encrypt and decrypt files, as well as password protect hard disks, memory cards and other types of storage. “Based on SubRosaSoft CipherDisk and FileUtilities, CipherWorks 4.0 protects your data at two levels. You can use CipherWorks to protect and hide your hard disks, portable drives, memory cards, and other types of storage,” notes the company.